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    Semiconductor parts containing 491 in root number. Page 5.
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MURAT
PartDescription
49151SC Shielded Surface Mount Power Inductors

NEC Electronics Inc.
PartDescription
2SK1491High-withstand-voltage power MOS FET
NE050491-07UHF/Microwave BJTs
NE080491-12UHF/Microwave BJTs
NE080491E12UHF/Microwave BJTs
UPC1491BIPOLAR ANALOG INTEGRATED CIRCUITS
UPC1491G BIPOLAR ANALOG INTEGRATED CIRCUITS
uPC1491GRemote control preamplifier
UPC1491HABIPOLAR ANALOG INTEGRATED CIRCUITS
uPC1491HARemote control preamplifier
UPD78491516-BIT SINGLE-CHIP MICROCONTROLLER
UPD784915A16-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784915AGF16-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784915AGF-XXX-3BA16-bit single chip microcomputer (for VTR servo microcomputer)
UPD784915B16-bit single chip microcomputer(for VTR servo microcomputer)
UPD784915BGF16-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784916A16-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784916AGF16-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784916AGF-XXX-3BA16bit single-chip microcontroller for 100pin VTR servo.
UPD784916B16-bit single chip microcomputer(for VTR servo microcomputer)
UPD784916BGF16-BIT SINGLE-CHIP MICROCONTROLLERS
UPD78P491616-BIT SINGLE-CHIP MICROCONTROLLER
UPD78P4916GF-3BA16-bit single-chip microcomputer(for VTR servo control)

NELFC
PartDescription
NTC4910-12.8MHZIntergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
NTC4910-20MHZIntergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.

NEWEN
PartDescription
2N3491100V Vcbo, 7.5A Ic Low frequency power silicon NPN transistor
2N491040V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491160V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491280V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491340V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491460V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491580V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor

National Semiconductor
PartDescription
2N4916Transistors, Bipolar, Si PNP Low-Pwr HF
2N4917Transistors, Bipolar, Si PNP Low-Pwr HF
2N549160V Vcbo, 7.0A Ic Low frequency power silicon NPN transistor
CRCW12062491FN-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages
DM5491AJShift Register
DM5491AJ/883Shift Register
DM5491AJ/883BShift Register
DM5491AJ/883CShift Register
DM5491JShift Register
DM5491WShift Register
DM5491W/883Shift Register
DM5491W/883BShift Register
DM5491W/883CShift Register
DM54LS49110-Bit Counter
DM54LS491AJ7 V, 10-bit counter
DM54LS491J7 V, 10-bit counter
DM54LS491J/883Counter
DM54LS491J/883BCounter
DM54LS491J/883CCounter
DM7491AJShift Register
DM7491ANShift Register
DM7491JShift Register
DM7491NShift Register
DM74LS49110-Bit Counter
DM74LS491AJ7 V, 10-bit counter
DM74LS491AN7 V, 10-bit counter
DM74LS491AV7 V, 10-bit counter
DM74LS491J7 V, 10-bit counter
DM74LS491J/A+Counter
DM74LS491J/B+Counter
DM74LS491N7 V, 10-bit counter
DM74LS491N/A+Counter
DM74LS491N/B+Counter
DP84910Integrated Read Channel
DP84910VHG-36Integrated Read Channel
DP84910VHGIntegrated Read Channel
DP84910VHG-50Integrated Read Channel
DS75491MOS-to-LED Digit Driver, Quad Segment Driver
DS75491JDriver
DS75491NMOS-to-LED Quad Segment Driver
LM34910High Voltage (40V, 1.25A) Step Down Switching Regulator
LM34910C High Voltage (50V, 1.25A) Step Down Switching Regulator
LM34910CSDHigh Voltage (50V, 1.25A) Step Down Switching Regulator
LM34910CSDE High Voltage (50V, 1.25A) Step Down Switching Regulator
LM34910CSDX High Voltage (50V, 1.25A) Step Down Switching Regulator
LM34910SDHigh Voltage (40V, 1.25A) Step Down Switching Regulator
LM34910SDXHigh Voltage (40V, 1.25A) Step Down Switching Regulator
LM34914SDX Ultra Small 1.25A Step-Down Switching Regulator with Intelligent Current Limit
LM34917AUltra Small 33V, 1.25A Constant On-Time Buck Switching Regulator with Intelligent Current Limit
LM34919_08 Ultra Small 40V, 600 mA Constant On-Time Buck Switching Regulator
LM34919Ultra Small 40V, 600 mA Constant On-Time Buck Switching Regulator
LM34919BUltra Small 40V, 600 mA Constant On-Time Buck Switching Regulator
LM34919BQTL Ultra Small 40V, 600 mA Constant On-Time Buck Switching Regulator
LM34919BQTLXUltra Small 40V, 600 mA Constant On-Time Buck Switching Regulator
LM34919BTLUltra Small 40V, 600 mA Constant On-Time Buck Switching Regulator
LM34919TL40V, 600 mA Step Down COT Switching Regulator
LM34919TLX40V, 600 mA Step Down COT Switching Regulator
LM49100_0709 Mono Class AB Audio Sub-System with a True-Ground Headphone Amplifier
LM49100Mono Class AB Audio Sub-System with a True-Ground Headphone Amplifier
LM49101TMMono Class AB Audio Subsystem with a True Ground Headphone Amplifier and Earpiece Switch
LM49101TMXMono Class AB Audio Subsystem with a True Ground Headphone Amplifier and Earpiece Switch
LM4910Output Capacitor-less Stereo 35mW Headphone Amplifier
LM4910LQOutput Capacitor-less Stereo 35mW Headphone Amplifier
LM4910MAOutput Capacitor-less Stereo 35mW Headphone Amplifier
LM4910MMOutput Capacitor-less Stereo 35mW Headphone Amplifier
LM4911Stereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output
LM4911LDStereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output
LM4911MMStereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output
LM49120TL Audio Sub-System with Mono Class AB Loudspeaker Amplifier and Stereo OCL/SE Headphone Amplifier
LM49120TLXAudio Sub-System with Mono Class AB Loudspeaker Amplifier and Stereo OCL/SE Headphone Amplifier
LM4912Stereo 40mW Low Noise Headphone Amplifier
LM4912MMStereo 40mW Low Noise Headphone Amplifier
LM49132W Monaural, 90mW Stereo Headphone Audio Amplifier
LM4913MH2W Monaural, 90mW Stereo Headphone Audio Amplifier
LM4913MM2W Monaural, 90mW Stereo Headphone Audio Amplifier
LM49141W Monaural, 85mW Stereo Headphone Audio Amplifier
LM4914MH1W Monaural, 85mW Stereo Headphone Audio Amplifier
LM49150Mono Class D Audio Subsystem with Earpiece Driver and Stereo Ground Referenced Headphone Amplifiers
LM49150TLXMono Class D Audio Subsystem with Earpiece Driver and Stereo Ground Referenced Headphone Amplifiers
LM49151Mono Class D Audio Subsystem with Earpiece Driver, Ground Referenced Headphone Amplifiers, Speaker Protection and No Clip with Clip Control
LM49151TLMono Class D Audio Subsystem with Earpiece Driver, Ground Referenced Headphone Amplifiers, Speaker Protection and No Clip with Clip Control
LM49151TLX Mono Class D Audio Subsystem with Earpiece Driver, Ground Referenced Headphone Amplifiers, Speaker Protection and No Clip with Clip Control
LM4915Pseudo-Differential Mono Headphone Amplifier with Fixed 6dB Gain
LM49161.5V, Mono 85mW BTL Output, 14mW Stereo Headphone Audio Amplifier
LM4916LD1.5V, mono 85mW BTL output, 14mW stereo headphone audio amplifier. For portable one-cell audio products, protable one-cell electronic devices
LM4916MM1.5V, mono 85mW BTL output, 14mW stereo headphone audio amplifier. For portable one-cell audio products, protable one-cell electronic devices
LM4917Ground-Referenced, 95mW Stereo Headphone Amplifier
LM4917MTGround-Referenced, 95mW Stereo Headphone Amplifier
LM4917SDGround-Referenced, 95mW Stereo Headphone Amplifier
LM4918Stereo Audio Amp with AGC Control
LM4918LQStereo Audio Amp with AGC Control
LM49191.5V, Mono 85mW BTL Output, 14mW Stereo Headphone Audio Amplifier
LM4919MM1.5V, Mono 85mW BTL Output, 14mW Stereo Headphone Audio Amplifier
MMBT4916Transistors, Bipolar, Si PNP Low-Pwr HF
MMBT4917Transistors, Bipolar, Si PNP Low-Pwr HF
NS32491Serial Network Interface

NTE
PartDescription
NTE1491Integrated circuit. AM RF/IF amplifier.
NTE4910Surge clamping, transient overvoltage suppressor, unidirectional. VR = 8.55V max reverse stand off voltage.
NTE4911Surge clamping, transient overvoltage suppressor, bidirectional. VR = 8.55V max reverse stand off voltage.
NTE4914Surge clamping, transient overvoltage suppressor, unidirectional. VR = 10.20V max reverse stand off voltage.
NTE491MOSFET, N-ch, enhancement mode, high speed switch.
NTE4915Surge clamping, transient overvoltage suppressor, bidirectional. VR = 10.20V max reverse stand off voltage.
NTE4918Surge clamping, transient overvoltage suppressor, unidirectional. VR = 11.10V max reverse stand off voltage.
NTE4919Surge clamping, transient overvoltage suppressor, bidirectional. VR = 11.10V max reverse stand off voltage.
NTE491TN-Ch, Enhancement Mode High Speed Switch
NTE5491Silicon controlled rectifier (SCR), 10 Amp. Peak repetitive off-state blocking voltage Vrrm,Vdrm = 100V. RMS on-state current Itrms = 25A.
NTE7491Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
NTE75491BIntergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.

ON Semiconductor
PartDescription
2N4918Medium-power plastic PNP silicon transistor, 40V, 3A
2N4918GBipolar Power C77 PNP 3A 40V
2N4919Medium-power plastic PNP silicon transistor, 60V, 3A
2N4919GBipolar Power C77 PNP 3A 60V
2N6491Complementary Silicon Plastic Power Translators
2N6491GBipolar Power TO220 PNP 15A 80V
NTD4910NPower MOSFET 30 V, 37 A, Single N−Channel, DPAK/IPAK
NTD4910NT4G Power MOSFET 30 V, 37 A, Single N−Channel, DPAK/IPAK
NTD4913N-1G Power MOSFET 30 V, 32 A, Single N−Channel, DPAK/IPAK
NTD4913NPower MOSFET 30 V, 32 A, Single N−Channel, DPAK/IPAK
NTD4913NT4G Power MOSFET 30 V, 32 A, Single N−Channel, DPAK/IPAK
T491C106K016AS200 mA, PFM Step-Up Micropower Switching Regulator

OPTEK
PartDescription
OPB491L11Photologic slotted optical switch
OPB491L51Photologic slotted optical switch
OPB491L55Photologic slotted optical switch
OPB491N11Photologic slotted optical switch
OPB491N51Photologic slotted optical switch
OPB491N55Photologic slotted optical switch
OPB491P11Photologic slotted optical switch
OPB491P51Photologic slotted optical switch
OPB491P55Photologic slotted optical switch
OPB491T11Photologic slotted optical switch
OPB491T51Photologic slotted optical switch
OPB491T55Photologic slotted optical switch

OPWAY
PartDescription
SPB-4910BLWG 1330 nm TX / 1270 nm RX , 8.5 Gbps Digital Diagnostic 1-Fiber SM LC SFP+ Transceiver
XPB-4910BLWG1330 nm TX / 1270 nm RX , 8.5 Gbps 1-Fiber Single-Mode LC XFP Transceiver

Panasonic (Matsushita)
PartDescription
AN5491Synchronous signal and deflection distortion correction processing IC supporting I2C bus for HD, wide television
AN5491KSynchronous signal and deflection distortion correction processing IC supporting I2C bus for HD, wide television
ECWF4913MLL Metallized Polypropylene Film Capacitor

Philips Semiconductors
PartDescription
N7491AShift Register
N7491AFShift Register
N7491AFBShift Register
N7491ANShift Register
N7491AN-BShift Register
N7491ANBShift Register
N7491FShift Register
N7491NShift Register
P32P4910PRML Read Channel with PR4, 8/9 ENDEC, 4-Burst Servo
P32P4910APRML Read Channel with PR4, 8/9 ENDEC, 4-Burst Servo
P32P4911APRML read channel with PR4, 8/9 ENDEC, FWR servo
PMMT491NPN BISS transistor
PMMT491ANPN BISS transistor
PMMT491ANPN BISS transistor.
S5491AF/883BShift Register
S5491AF/883CShift Register
S5491AW/883BShift Register
S5491FShift Register
S5491F/883BShift Register
S5491F/883CShift Register
S5491WShift Register
S5491W/883BShift Register
S5491W/883CShift Register
SAA5491Economy teletext and TV microcontrollers
SAA5491H5 V, Economy teletext and TV microcontroller
SAA5491H/nnnEconomy teletext and TV microcontroller. 32 kbytes ROM
SAA5491H/nnnEconomy teletext and TV microcontroller. 32 kbytes ROM
SAA5491PS5 V, Economy teletext and TV microcontroller
SAA5491PS/nnnEconomy teletext and TV microcontroller. 32 kbytes ROM
SAA5491PS/nnnEconomy teletext and TV microcontroller. 32 kbytes ROM

PIRGO
PartDescription
2N3491100V Vcbo, 7.5A Ic Low frequency power silicon NPN transistor
2N491040V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491160V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491280V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491340V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491460V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491580V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor

Plessey Semiconductors
PartDescription
SP4914DPPrescaler/Frequency Divider
SP4914MPPrescaler/Frequency Divider
SP4916DPPrescaler/Frequency Divider
SP4916MPPrescaler/Frequency Divider

PPC
PartDescription
2N3491100V Vcbo, 7.5A Ic Low frequency power silicon NPN transistor

QT
PartDescription
MAN4910ADisplay. RHDP
MV49124ALed Lamp. .220" X .125" Rectangular Lamp
MV5491BICOLOR AND BIPOLAR T-13/4 SOLID STATE LAMPS
MV54919.MP5Pcb Mount Led Indicator. T-1 3/4 (5 mm) - Top View
MV54919.MP6Pcb Mount Led Indicator. T-1 3/4 (5 mm) - Side View
MV54919-MP6 PCB MOUNT LED INDICATORS
MV54919.MP7Pcb Mount Led Indicator. T-1 3/4 (5 mm) - Side View
MV54919.MP8Pcb Mount Led Indicator. T-1 3/4 (5 mm) - Side View
MV54919-MP8 PCB MOUNT LED INDICATORS
MV54919.MP8APcb Mount Led Indicator. T-1 3/4 (5 mm) - Side View
MV54919-MP8APCB MOUNT LED INDICATORS
MV54919.MP8BPcb Mount Led Indicator. T-1 3/4 (5 mm) - Side View
MV54919.MP91Pcb Mount Led Indicator. T-1 3/4 (5 mm) Bilevel
MV54919-MP91 PCB MOUNT LED INDICATORS
MV5491ALed Lamp. T-1 3/4 Bipolar

RECOM
PartDescription
REC10-24912DRWL10W DC/DC converter with 24V input, +-12/+-416mA output
REC10-4912DRWL10W DC/DC converter with 49V input, +-12/+-416mA output
REC10-4912DRWLZ10W DC/DC converter with 49V input, +-12/+-416mA output
REC10-4912SRWL10W DC/DC converter with 49V input, 12/830mA output
REC10-4912SRWLZ10W DC/DC converter with 49V input, 12/830mA output
REC10-4915DRWL10W DC/DC converter with 49V input, +-15/+-333mA output
REC10-4915DRWLZ10W DC/DC converter with 49V input, +-15/+-333mA output
REC10-4915SRWL10W DC/DC converter with 49V input, 15/670mA output
REC10-4915SRWLZ10W DC/DC converter with 49V input, 15/670mA output
REC15-4912DRWB15W DC/DC converter with 49V input, +-12/+-625mA output
REC15-4912DRWBZ15W DC/DC converter with 49V input, +-12/+-625mA output
REC15-4912SRWB15W DC/DC converter with 49V input, 12/1250mA output
REC15-4912SRWBZ15W DC/DC converter with 49V input, 12/1250mA output
REC15-4915DRWB15W DC/DC converter with 49V input, +-15/+-500mA output
REC15-4915DRWBZ15W DC/DC converter with 49V input, +-15/+-500mA output
REC15-4915SRWB15W DC/DC converter with 49V input, 15/1000mA output
REC15-4915SRWBZ15W DC/DC converter with 49V input, 15/1000mA output
REC3-4912DRW3W DC/DC converter with 49V input, +-12V/+-125mA output
REC3-4912DRWZ3W DC/DC converter with 49V input, +-12V/+-125mA output
REC3-4912SRW3W DC/DC converter with 49V input, 12V/250mA output
REC3-4912SRWZ3W DC/DC converter with 49V input, 12V/250mA output
REC3-4915DRW3W DC/DC converter with 49V input, +-15V/+-100mA output
REC3-4915DRWZ3W DC/DC converter with 49V input, +-15V/+-100mA output
REC3-4915SRW3W DC/DC converter with 49V input, 15V/200mA output
REC3-4915SRWZ3W DC/DC converter with 49V input, 15V/200mA output
REC5-4912DRW5W DC/DC converter with 49V input, +-12V/+-230mA output, 2kV isolation
REC5-4912DRWL5W DC/DC converter with 49V input, +-12V/+-208mA output
REC5-4912DRWLZ5W DC/DC converter with 49V input, +-12V/+-208mA output
REC5-4912DRWZ5W DC/DC converter with 49V input, +-12V/+-230mA output, 2kV isolation
REC5-4912SRW5W DC/DC converter with 49V input, 12V/470mA output, 2kV isolation
REC5-4912SRWL5W DC/DC converter with 49V input, 12V/417mA output
REC5-4912SRWLZ5W DC/DC converter with 49V input, 12V/417mA output
REC5-4912SRWZ5W DC/DC converter with 49V input, 12V/470mA output, 2kV isolation
REC5-4915DRW5W DC/DC converter with 49V input, +-15V/+-190mA output, 2kV isolation
REC5-4915DRWL5W DC/DC converter with 49V input, +-15V/+-167mA output
REC5-4915DRWLZ5W DC/DC converter with 49V input, +-15V/+-167mA output
REC5-4915DRWZ5W DC/DC converter with 49V input, +-15V/+-190mA output, 2kV isolation
REC5-4915SRW5W DC/DC converter with 49V input, 15V/400mA output, 2kV isolation
REC5-4915SRWL5W DC/DC converter with 49V input, 15V/333mA output
REC5-4915SRWLZ5W DC/DC converter with 49V input, 15V/333mA output
REC5-4915SRWZ5W DC/DC converter with 49V input, 15V/400mA output, 2kV isolation
REC8-4912DRWL8W DC/DC converter with 49V input, +-12V/+-335mA output
REC8-4912SRWL8W DC/DC converter with 49V input, 12V/670mA output
REC8-4915DRWL8W DC/DC converter with 49V input, +-15V/+-267mA output
REC8-4915SRWL8W DC/DC converter with 49V input, 15V/533mA output

RENES
PartDescription
PCA4912 Converter for Connecting 42-pin RSS Type Emulator MCU to 32-pin 1.27mm-pitch SOP

RHMBS
PartDescription
L-14910 Low Power Inductors (Miniature)
L-14911Low Power Inductors (Miniature)
L-14912Low Power Inductors (Miniature)
L-14913 Low Power Inductors (Miniature)
L-14914Low Power Inductors (Miniature)
L-14915 Low Power Inductors (Miniature)
L-14916 Low Power Inductors (Miniature)
L-14917Low Power Inductors (Miniature)
L-20491500 KHz COMMON MODE EMI INDUCTOR
T-14912 10 BASE-T Transformers
T-14914 10 BASE-T Transformers
T-14915 10 BASE-T Transformers

Ricoh Company, Ltd.
PartDescription
R1110N491ATLLow noise 150mA L.D.O. regulator. Output voltage 4.9V. "L" active type. Taping specification TL
R1110N491ATRLow noise 150mA L.D.O. regulator. Output voltage 4.9V. "L" active type. Standard taping specification TR.
R1110N491BTLLow noise 150mA L.D.O. regulator. Output voltage 4.9V. "H" active type. Taping specification TL
R1110N491BTRLow noise 150mA L.D.O. regulator. Output voltage 4.9V. "H" active type. Standard taping specification TR.
R1111N491A-TLLow noise 150mA LDO regulator. Output voltage 4.9V. "L" active type. Taping specification TL
R1111N491A-TRLow noise 150mA LDO regulator. Output voltage 4.9V. "L" active type. Standard taping specification TR
R1111N491B-TLLow noise 150mA LDO regulator. Output voltage 4.9V. "H" active type. Taping specification TL
R1111N491B-TRLow noise 150mA LDO regulator. Output voltage 4.9V. "H" active type. Standard taping specification TR
R1113Z491A-TLLow noise 150mA LDO regulator IC. Output voltage 4.9V. Active low type. Taping type TL.
R1113Z491A-TRLow noise 150mA LDO regulator IC. Output voltage 4.9V. Active low type. Standart taping type TR.
R1113Z491B-TLLow noise 150mA LDO regulator IC. Output voltage 4.9V. Active high type. Taping type TL.
R1113Z491B-TRLow noise 150mA LDO regulator IC. Output voltage 4.9V. Active high type. Standart taping type TR.
R1120N491A-TLLow noise 150mA LDO regulator. Output voltage 4.9V. L active type. Taping specification TL.
R1120N491A-TRLow noise 150mA LDO regulator. Output voltage 4.9V. "L" active type. Standard taping specification TR
R1120N491B-TLLow noise 150mA LDO regulator. Output voltage 4.9V. H active type. Taping specification TL.
R1120N491B-TRLow noise 150mA LDO regulator. Output voltage 4.9V. "H" active type. Standard taping specification TR.
R1121N491A-TLLow noise 150mA LDO regulator. Output voltage 4.9V. Active L type. Taping specification TL.
R1121N491A-TRLow noise 150mA LDO regulator. Output voltage 4.9V. Active L type. Standard taping specification TR.
R1121N491B-TLLow noise 150mA LDO regulator. Output voltage 4.9V. Active H type. Taping specification TL.
R1121N491B-TRLow noise 150mA LDO regulator. Output voltage 4.9V. Active H type. Standard taping specification TR.
R1122N491A-TLLow noise 150mA LDO regulator IC. Output voltage 4.9V. Active L type. Taping type TL.
R1122N491A-TRLow noise 150mA LDO regulator IC. Output voltage 4.9V. Active L type. Standard taping type TR.
R1122N491B-TLLow noise 150mA LDO regulator IC. Output voltage 4.9V. Active H type. Taping type TL.
R1122N491B-TRLow noise 150mA LDO regulator IC. Output voltage 4.9V. Active H type. Standard taping type TR.
R1172H491APOWER MANAGEMENT ICs MARK INFORMATIONS
R1172H491BPOWER MANAGEMENT ICs MARK INFORMATIONS
R1172H491DPOWER MANAGEMENT ICs MARK INFORMATIONS
R1172N491ASUPER LOW ON RESISTANCE / LOW VOLTAGE 1A LDO
R1172N491B SUPER LOW ON RESISTANCE / LOW VOLTAGE 1A LDO
R1172N491D SUPER LOW ON RESISTANCE / LOW VOLTAGE 1A LDO
R1173D491BSuper low on resistance/Low voltage LDO
R1173H491B SERIES MARK SPECIFICATION
R1173H491D SERIES MARK SPECIFICATION
R1210N491C POWER MANAGEMENT ICs MARK INFORMATIONS R1210N SERIES MARK SPECIFICATION
R1210N491C-TLPWM step-up DC/DC converter. Output voltage 4.9V. Oscillator frequency 100kHz without a frequency change-over cicuit. Taping specification TL
R1210N491C-TRPWM step-up DC/DC converter. Output voltage 4.9V. Oscillator frequency 100kHz without a frequency change-over cicuit. Standard taping specification TR
R1210N491D POWER MANAGEMENT ICs MARK INFORMATIONS R1210N SERIES MARK SPECIFICATION
R1210N491D-TLPWM step-up DC/DC converter. Output voltage 4.9V. Oscillator frequency 180kHz without a frequency change-over cicuit. Taping specification TL
R1210N491D-TRPWM step-up DC/DC converter. Output voltage 4.9V. Oscillator frequency 180kHz without a frequency change-over cicuit. Standard taping specification TR
R3111D491ALOW VOLTAGE DETECTOR
R3111D491B LOW VOLTAGE DETECTOR
R3111D491C LOW VOLTAGE DETECTOR
R3111E491A-TZLow voltage detector. Detector threshold (-Vdet) 4.9V. Output type: Nch open drain.
R3111E491C-TZLow voltage detector. Detector threshold (-Vdet) 4.9V. Output type: CMOS
R3111H491ALOW VOLTAGE DETECTOR
R3111H491A-T1Low voltage detector. Detector threshold (-Vdet) 4.9V. Output type: Nch open drain.
R3111H491CLOW VOLTAGE DETECTOR
R3111H491C-T1Low voltage detector. Detector threshold (-Vdet) 4.9V. Output type: CMOS
R3111N491A LOW VOLTAGE DETECTOR
R3111N491A-TRLow voltage detector. Detector threshold (-Vdet) 4.9V. Output type: Nch open drain. Standard taping specification TR
R3111N491C LOW VOLTAGE DETECTOR
R3111N491C-TRLow voltage detector. Detector threshold (-Vdet) 4.9V. Output type: CMOS. Standard taping specification TR
R3111Q491A LOW VOLTAGE DETECTOR
R3111Q491A-TRLow voltage detector. Detector threshold (-Vdet) 4.9V. Output type: Nch open drain. Standard taping specification TR
R3111Q491B LOW VOLTAGE DETECTOR
R3111Q491CLOW VOLTAGE DETECTOR
R3111Q491C-TRLow voltage detector. Detector threshold (-Vdet) 4.9V. Output type: CMOS. Standard taping specification TR
R3112D491A R3112D SERIES MARK SPECIFICATION
R3112D491CR3112D SERIES MARK SPECIFICATION
R3112N491CLOW VOLTAGE DETECTOR WITH OUTPUT DELAY
R3112Q491A LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
R3112Q491CLOW VOLTAGE DETECTOR WITH OUTPUT DELAY
R3115Z491C LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
RH5RH491A-T1PWM step-up DC/DC converter. Output voltage 4.9V. Internal Lx Tr. driver (oscillator frequency 50kHz). Taping type T1
RH5RH491A-T2PWM step-up DC/DC converter. Output voltage 4.9V. Internal Lx Tr. driver (oscillator frequency 50kHz). Taping type T2
RH5RI491B-T1VFM step-up DC/DC converter. Output voltage 4.9V. Internal Lx Tr. driver (oscillator frequency 100kHz) Taping type T1
RH5RI491B-T2VFM step-up DC/DC converter. Output voltage 4.9V. Internal Lx Tr. driver (oscillator frequency 100kHz) Taping type T2
RN5RK491A-TLVFM step-up DC/DC converter. Output voltage 4.9V. Internal Lx Tr. driver. Duty cycle 77%. Taping type TL
RN5RK491A-TRVFM step-up DC/DC converter. Output voltage 4.9V. Internal Lx Tr. driver. Duty cycle 77%. Standard taping type TR
RN5RK491B-TLVFM step-up DC/DC converter. Output voltage 4.9V. Internal Lx Tr. driver. Duty cycle 55%. Taping type TL
RN5RK491B-TRVFM step-up DC/DC converter. Output voltage 4.9V. Internal Lx Tr. driver. Duty cycle 55%. Standard taping type TR
RN5RY491A-TLVFM step-up DC/DC converter controller. Output voltage 4.9V. Taping type TL
RN5RY491A-TRVFM step-up DC/DC converter controller. Output voltage 4.9V. Standard taping type TR
RN5RY491CVFM step-up DC/DC converter controller. Output voltage 4.9V. Antistatic bag for samples

ROHM Co.
PartDescription
2SC4912UHF/Microwave BJTs
2SC4912NUHF/Microwave BJTs
2SC4912PUHF/Microwave BJTs
BA4911_1 Biopolat System power Supply
BA4911System regulator for car stereo
BA4915-V11 System Power Supply with MUTE Function
BD3491FS Silicon Monolithic Integrated Circuit
BD4911FM System Power Supply with WDT
BD4912-V4Low Current Consumption MOS System Power Supply
BU4910 Low Voltage Standard CMOS Voltage Detector IC Series
BU4910FLow Voltage Detector IC
BU4911FLow Voltage Detector IC
BU4911FVE Low Voltage Detector IC
BU4911G Low Voltage Detector IC
BU4912F Low Voltage Detector IC
BU4912G Low Voltage Detector IC
BU4913Low Voltage Standard CMOS Voltage Detector IC Series
BU4913FVELow Voltage Detector IC
BU4913G Low Voltage Detector IC
BU4914F Low Voltage Detector IC
BU4914FVE Low Voltage Detector IC
BU4914GLow Voltage Detector IC
BU4915Low Voltage Standard CMOS Voltage Detector IC Series
BU4915G Low Voltage Detector IC
BU4916Low Voltage Standard CMOS Voltage Detector IC Series
BU4916FVE Low Voltage Detector IC
BU4916GLow Voltage Detector IC
BU4917 Low Voltage Standard CMOS Voltage Detector IC Series
BU4917FLow Voltage Detector IC
BU4917FVE Low Voltage Detector IC
BU4917G Low Voltage Detector IC
BU4918FVELow Voltage Detector IC
BU4918GLow Voltage Detector IC
BU4919 Low Voltage Standard CMOS Voltage Detector IC Series
BU4919FVE Low Voltage Detector IC
BU4919GLow Voltage Detector IC
RB491DSchottky barrier diode

Semelab Plc.
PartDescription
2N491040V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N4910X40V Vce, 4A Ic, 3MHz NPN bipolar transistor
2N491160V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N4911X60V Vce, 4A Ic, 3MHz NPN bipolar transistor
2N491280V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N4912X80V Vce, 4A Ic, 3MHz NPN bipolar transistor
2N4913Bipolar NPN Device in a Hermetically sealed TO3 Metal Package
2N4914Bipolar NPN Device in Hermetically sealed TO3 Metal Package
2N491580V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N549160V Vcbo, 7.0A Ic Low frequency power silicon NPN transistor
MJ491Bipolar PNP Device
SF_2N4913Bipolar NPN Device in a Hermetically sealed TO3 Metal Package
SF_2N4914Bipolar NPN Device in Hermetically sealed TO3 Metal Package

SANYO Electric Co., Ltd.
PartDescription
2SC4491NPN epitaxial planar silicon transistor, L load (various drivers) switching application
2SC4910NPN epitaxial planar silicon transistor, VHF-band power amp application
2SC4918UHF/Microwave BJTs
2SC4918A4UHF/Microwave BJTs
2SC4918A5UHF/Microwave BJTs
2SC4918A6UHF/Microwave BJTs
2SC4919NPN epitaxial planar silicon transistor, muting circuit, driver
2SC4919-S Muting Circuit Applications
2SK3491Ultrahigh-Speed Switching Applications
LA4917H Monolithic Linear IC Audio Output for TV application High-Effciency Two-Channel 7W BTL Power Amplifier ICs
LCM5491-24NAKGraphics Display Module
LPH14910-01Miscellaneous Optoelectronic Device
LPH-14918-09LED printhead
LV4910TBi-CMOS LSI Class-D Audio Power Amplifier BTL 2W ?? 2ch
LV49152VClass-D Audio Power Amplifier
LV49157V Bi-CMOS LSI Class-D Audio Power Amplifier with built-in Headphone Ampifier BTL 15W ?? 2ch
STK49132-channel 50W min AF power amp.

SECOA
PartDescription
2N1491Transistors, Bipolar, Si NPN Low-Power
2N3491100V Vcbo, 7.5A Ic Low frequency power silicon NPN transistor
2N491340V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491580V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor

SEMIK
PartDescription
SKT491/04D400V V[drm] Max., 490A I[T] Max. Silicon Controlled Rectifier
SKT491/04ELine Thyristor
SKT491/08D800V V[drm] Max., 490A I[T] Max. Silicon Controlled Rectifier
SKT491Line Thyristor
SKT491/12D1.2kV V[drm] Max., 490A I[T] Max. Silicon Controlled Rectifier
SKT491/12ELine Thyristor
SKT491/14ELine Thyristor
SKT491/16ELine Thyristor
SKT491/18ELine Thyristor

Semtech Corp.
PartDescription
SC4910AHigh-Performance Secondary Side Controller with Synchronous Rectifier
SC4910AITSTRTHigh-Performance Secondary Side Controller with Synchronous Rectifier
SC4910BHigh-Performance Secondary Side Controller with Synchronous Rectifier
SC4910BITSTRTHigh-Performance Secondary Side Controller with Synchronous Rectifier
SC4911Bias/Primary Side PWM Controller with Ultra-Low Start-up Current
SC4911AMSTRTBias/Primary Side PWM Controller with Ultra-Low Start-up Current
SC4911BMSTRTBias/Primary Side PWM Controller with Ultra-Low Start-up Current
SC4911IMSTRBias/Primary Side PWM Controller with Ultra-Low Start-up Current
SC4911IMSTRTBias/Primary Side PWM Controller with Ultra-Low Start-up Current

SEOUL
PartDescription
W49180 Super high flux output and high luminance

Sharp
PartDescription
GL4910Thin type infrared emittting diode
LH5491Cascadable 64 x 8 FIFO Cascadable 64 x 9 FIFO
LH5491D15First-In First-Out Memory (FIFO)
LH5491D-15Cascadable 64 x 9 FIFO
LH5491D-1515 MHz, 4.5 V-5.5 V, cascadeable 64 x 9 FIFO
LH5491D25First-In First-Out Memory (FIFO)
LH5491D-25Cascadable 64 x 9 FIFO
LH5491D-2525 MHz, 4.5 V-5.5 V, cascadeable 64 x 9 FIFO
LH5491D35First-In First-Out Memory (FIFO)
LH5491D-35Cascadable 64 x 9 FIFO
LH5491D-3535 MHz, 4.5 V-5.5 V, cascadeable 64 x 9 FIFO
LH5491U15First-In First-Out Memory (FIFO)
LH5491U-15Cascadable 64 x 9 FIFO
LH5491U25First-In First-Out Memory (FIFO)
LH5491U-25Cascadable 64 x 9 FIFO
LH5491U35First-In First-Out Memory (FIFO)
LH5491U-35Cascadable 64 x 9 FIFO
PT491Intermediate acceptance high sensitivity phototransistor
PT491FIntermediate acceptance high sensitivity phototransistor

Shindengen Electric
PartDescription
2SK2491Power MOSFET transistor

Seiko Epson Corporation
PartDescription
S-8491BATTERY PROTECTION IC
S-8491AUP-DKA-T2Battery protection IC
S-8491BUP-DKB-T2Battery protection IC
S-8491CUP-DKC-T2Battery protection IC
S-8491DUP-DKD-T2Battery protection IC

SILTR
PartDescription
2N3491100V Vcbo, 7.5A Ic Low frequency power silicon NPN transistor
2N491040V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491160V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491280V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491340V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491460V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491580V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor

SINC
PartDescription
1N24916.0A Iout, 50V Vrrm General Purpose Silicon Rectifier
2N491040V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491160V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491280V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491340V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491460V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491580V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N4916Transistors, Bipolar, Si PNP Low-Pwr HF
2N4917Transistors, Bipolar, Si PNP Low-Pwr HF
2N491AUnijunction Transistor
2N491BUnijunction Transistor
WA0491Transistors, Bipolar, Si PNP Low-Pwr HF

Sipex Corporation
PartDescription
SP1491EFull Duplex RS-485 Transceivers
SP1491ECNFull Duplex RS-485 Transceivers
SP1491ECN/TRFull Duplex RS-485 Transceivers
SP1491ECPFull Duplex RS-485 Transceivers
SP1491EENFull Duplex RS-485 Transceivers
SP1491EEN/TRFull Duplex RS-485 Transceivers
SP1491EEPFull Duplex RS-485 Transceivers
SP1491ETRFull Duplex RS-485 Transceivers
SP3491+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate
SP3491CN+3.3V low power full duplex RS-485 transceivers with 10Mbps data rate
SP3491CP+3.3V low power full duplex RS-485 transceivers with 10Mbps data rate
SP3491EN+3.3V low power full duplex RS-485 transceivers with 10Mbps data rate
SP3491EP+3.3V low power full duplex RS-485 transceivers with 10Mbps data rate
SP4491Two Panel Electroluminscent Lamp Driver
SP4491EUTwo panel electroluminescent lamp driver
SP4491UEBTwo panel ectroluminescent lamp driver
SP491Full Duplex RS-485 Transceivers
SP491CNFull duplex RS-485 transceivers
SP491CN/TRFull Duplex RS-485 Transceivers
SP491CSFull duplex RS-485 transceivers
SP491EEnhanced Full Duplex RS-485 Transceivers
SP491ECNEnhanced full duplex RS-485 transceivers
SP491ECPEnhanced full duplex RS-485 transceivers
SP491EENEnhanced full duplex RS-485 transceivers
SP491EEPEnhanced full duplex RS-485 transceivers
SP491ENFull duplex RS-485 transceivers
SP491EN/TRFull Duplex RS-485 Transceivers
SP491ESFull duplex RS-485 transceivers

SMART
PartDescription
SM491000ALP6General Purpose Dynamic RAM
SM491000ALP7General Purpose Dynamic RAM
SM491000ALP8General Purpose Dynamic RAM

Semicon Components Inc.
PartDescription
1N24916.0A Iout, 50V Vrrm General Purpose Silicon Rectifier

Siemens
PartDescription
Q62702-F1491NPN Silicon RF Transistor )For low noise, high-gain broadband amplifiers at collector currents from 0.5 mA to 12mA)
Q62703-Q1491Symbol LED 5 mm T1 3/4 LED, Partly Diffused
Q62703-Q3491Hyper 3 mm T1 LED, Non Diffused Hyper-Bright LED
TDA4916GGSMPS-IC with MOSFET driver output
TDA4917APower Supply Circuit
TDA4917GPower Supply Circuit
TDA4918ASwitch-mode power supply with SIPMOS driver output
TDA4918GSwitch-mode power supply with SIPMOS driver output
TDA4919ASwitch-mode power supply with SIPMOS driver output
TDA4919GSwitch-mode power supply with SIPMOS driver output
TLE4910G HALL-EFFECT IC WITH ANALOG OUTPUT
TLE4910KMiscellaneous
TLE4910WMiscellaneous

Samsung Electronic
PartDescription
KMM491000-10General Purpose Dynamic RAM
KMM491000-12General Purpose Dynamic RAM
KMM491000A10General Purpose Dynamic RAM
KMM491000A8General Purpose Dynamic RAM
KMM491001-10Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
KMM491001-12Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.

Sanken Electric Co.
PartDescription
SEL4910A4f Round Orange LED Lamp
SEL4910AAGeneral purpose orange-amber dome-style LED
SEL4910ABGeneral purpose orange-amber dome-style LED
SEL4910ACGeneral purpose orange-amber dome-style LED
SEL4910ADGeneral purpose orange-amber dome-style LED
SEL4910D4f Round Orange LED Lamp
SEL4910DAGeneral purpose orange-amber dome-style LED
SEL4910DBGeneral purpose orange-amber dome-style LED
SEL4910DCGeneral purpose orange-amber dome-style LED
SEL4910DDGeneral purpose orange-amber dome-style LED
SEL4914A4f Round Wide View Angle Orange LED Lamp
SEL4914ACGeneral purpose orange-amber dome-style LED
SEL4914ADGeneral purpose orange-amber dome-style LED
SEL4914D4f Round Wide View Angle Orange LED Lamp
SEL4914DAGeneral purpose orange-amber dome-style LED
SEL4914DBGeneral purpose orange-amber dome-style LED
SEL4914DCGeneral purpose orange-amber dome-style LED
SEL4914DDGeneral purpose orange-amber dome-style LED
SEL4917D2f Round Special Shape Orange LED Lamp
SEL4917DAGeneral purpose orange-amber dome-style LED
SEL4917DBGeneral purpose orange-amber dome-style LED
SEL4917DCGeneral purpose orange-amber dome-style LED
SEL4917DDGeneral purpose orange-amber dome-style LED

Solid Power Corporation
PartDescription
2N491340V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491460V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
2N491580V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor

Solitron Devices
PartDescription
2N3491100V Vcbo, 7.5A Ic Low frequency power silicon NPN transistor
2N491040V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491160V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
2N491280V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor
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Win Win Circuit LTD. PCB, PCBA, LCD Module
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