Page 9. Semiconductor parts with 257 in root number

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Semiconductor parts containing 257 in root number. Page 9.

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Oki Semiconductor

Part	Description
MSC23V47257TA	4,194,304-Word ?? 72-Bit DRAM MODULE : FAST PAGE MODE TYPE WITH EDO
MSC23V47257TA-xxBS18	4,194,304-Word ?? 72-Bit DRAM MODULE : FAST PAGE MODE TYPE WITH EDO
MSC23V47257TD-50BS18	4,194,304-Word x 72-Bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE WITH EDO
MSC23V47257TD-XXBS18	4,194,304-Word x 72-Bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE WITH EDO
MSM41257A10AS	General Purpose Dynamic RAM
MSM41257A10JS	General Purpose Dynamic RAM
MSM41257A10RS	General Purpose Dynamic RAM
MSM41257A12AS	General Purpose Dynamic RAM
MSM41257A12JS	General Purpose Dynamic RAM
MSM41257A12RS	General Purpose Dynamic RAM
MSM41257A15AS	General Purpose Dynamic RAM
MSM41257A15JS	General Purpose Dynamic RAM
MSM41257A15RS	General Purpose Dynamic RAM
MSM51257-10JS	General Purpose Static RAM
MSM51257-10RS	General Purpose Static RAM
MSM51257-12JS	General Purpose Static RAM
MSM51257-12RS	General Purpose Static RAM
MSM51257-85JS	General Purpose Static RAM
MSM51257-85RS	General Purpose Static RAM
MSM51257AL10GS	General Purpose Static RAM
MSM51257AL10RS	General Purpose Static RAM
MSM51257AL12GS	General Purpose Static RAM
MSM51257AL12RS	General Purpose Static RAM
MSM51257AL	32,768-WORD X 8-BIT CMOS STATIC RAM
MSM51257AL70GS	General Purpose Static RAM
MSM51257AL70RS	General Purpose Static RAM
MSM51257AL85GS	General Purpose Static RAM
MSM51257AL85RS	General Purpose Static RAM
MSM51257ALL10GS	General Purpose Static RAM
MSM51257ALL10RS	General Purpose Static RAM
MSM51257ALL12GS	General Purpose Static RAM
MSM51257ALL12RS	General Purpose Static RAM
MSM51257ALL70GS	General Purpose Static RAM
MSM51257ALL70RS	General Purpose Static RAM
MSM51257ALL85GS	General Purpose Static RAM
MSM51257ALL85RS	General Purpose Static RAM
MSM51257BL10GS	General Purpose Static RAM
MSM51257BL10RS	General Purpose Static RAM
MSM51257BL10TS	General Purpose Static RAM
MSM51257BL12GS	General Purpose Static RAM
MSM51257BL12RS	General Purpose Static RAM
MSM51257BL12TS	General Purpose Static RAM
MSM51257BL85GS	General Purpose Static RAM
MSM51257BL85RS	General Purpose Static RAM
MSM51257BL85TS	General Purpose Static RAM
MSM51257BLL10GS	General Purpose Static RAM
MSM51257BLL10RS	General Purpose Static RAM
MSM51257BLL10TS	General Purpose Static RAM
MSM51257BLL12GS	General Purpose Static RAM
MSM51257BLL12RS	General Purpose Static RAM
MSM51257BLL12TS	General Purpose Static RAM
MSM51257BLL85GS	General Purpose Static RAM
MSM51257BLL85RS	General Purpose Static RAM
MSM51257BLL85TS	General Purpose Static RAM
MSM51257L10GS	General Purpose Static RAM
MSM51257L10JS	General Purpose Static RAM
MSM51257L10RS	General Purpose Static RAM
MSM51257L12GS	General Purpose Static RAM
MSM51257L12JS	General Purpose Static RAM
MSM51257L12RS	General Purpose Static RAM
MSM51257L85GS	General Purpose Static RAM
MSM51257L85JS	General Purpose Static RAM
MSM51257L85RS	General Purpose Static RAM
MSM514257-10RS	General Purpose Dynamic RAM
MSM514257-12RS	General Purpose Dynamic RAM

OMNI

Part	Description
OM5257DA	40Amp high efficiency rectifier
OM5257RA	40Amp high efficiency rectifier
OM5257SA	40Amp high efficiency rectifier

ON Semiconductor

Part	Description
74FST3257_07	Quad 2:1 Multiplexer/Demultiplexer Bus Switch
74FST3257	Quad 2:1 Multiplexer/ Demultiplexer Bus Switch
74FST3257D	Quad 2:1 Multiplexer/Demultiplexer Bus Switch
74FST3257DR2	Quad 2:1 Multiplexer/ Demultiplexer Bus Switch
74FST3257DR2G	Quad 2:1 Multiplexer/Demultiplexer Bus Switch
74FST3257DT	Quad 2:1 Multiplexer/ Demultiplexer Bus Switch
74FST3257DTR2	Quad 2:1 Multiplexer/ Demultiplexer Bus Switch
74FST3257DTR2G	Quad 2:1 Multiplexer/Demultiplexer Bus Switch, Pb-free
74FST3257QS	Quad 2:1 Multiplexer/ Demultiplexer Bus Switch
74FST3257QSR	Quad 2:1 Multiplexer/ Demultiplexer Bus Switch
74LS257	LOW POWER SCHOTTKY
ASM3I2579AF-06OR	Peak EMI Reducing Solution
ASM3P2579A	Peak EMI Reducing Solution
CS5257A-1	7.0 A LDO 5−Pin Adjustable Linear Regulator
LM2574	EASY SWITCHER 0.5 A STEP-DOWN VOLTAGE REGULATOR
LM2574DW-ADJ	Easy Switcher™ 0.5A Step-Down Voltage Regulator
LM2574DW-ADJR2	Easy Switcher™ 0.5A Step-Down Voltage Regulator
LM2574DW-ADJR2G	0.5A, Adjustable Output Voltage 1.23 to 37V, 52kHz Buck PWM Switching Regulator
LM2574N-005	Easy Switcher™ 0.5A Step-Down Voltage Regulator
LM2574N-005G	0.5A, 5V, 52kHz Buck PWM Switching Regulator
LM2574N-012	Easy Switcher™ 0.5A Step-Down Voltage Regulator
LM2574N-015	Easy Switcher™ 0.5A Step-Down Voltage Regulator
LM2574N-015G	0.5A, 15V, 52kHz Buck PWM Switching Regulator
LM2574N-12G	0.5A, 12V, 52kHz Buck PWM Switching Regulator
LM2574N-15G	0.5 A, Adjustable Output Voltage, Step−Down Switching Regulator
LM2574N-3.3	Easy Switcher™ 0.5A Step-Down Voltage Regulator
LM2574N-3.3G	0.5A, 3.3V, 52kHz Buck PWM Switching Regulator
LM2574N-5	0.5 A, Adjustable Output Voltage, Step−Down Switching Regulator
LM2574N-5G	0.5A, 5V, 52kHz Buck PWM Switching Regulator
LM2574N-ADJ	Easy Switcher™ 0.5A Step-Down Voltage Regulator
LM2574N-ADJG	0.5A, Adjustable Output Voltage 1.23 to 37V, 52kHz Buck PWM Switching Regulator
LM2575_09	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
LM2575	EASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATOR
LM2575D2T-005	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575D2T-012	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575D2T-012G	1A, 12V, 52kHz Buck PWM Switching Regulator
LM2575D2T-015	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575D2T-015G	1A, 15V, 52kHz Buck PWM Switching Regulator
LM2575D2T-12R4	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575D2T-12R4G	1A, 12V, 52kHz Buck PWM Switching Regulator
LM2575D2T-15R4	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575D2T-15R4G	1A, 15V, 52kHz Buck PWM Switching Regulator
LM2575D2T-3.3	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575D2T-3.3G	1A, 3.3V, 52kHz Buck PWM Switching Regulator
LM2575D2T-3.3R4	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575D2T-3.3R4G	1A, 3.3V, 52kHz Buck PWM Switching Regulator
LM2575D2T-5	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
LM2575D2T-5G	1A, 5V, 52kHz Buck PWM Switching Regulator
LM2575D2T-5R4	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575D2T-5R4G	1A, 5V, 52kHz Buck PWM Switching Regulator
LM2575D2T-ADJ	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575D2T-ADJG	1A, Adjustable Output Voltage 1.23 to 37V 52kHz Buck PWM Switching Regulator
LM2575D2T-ADJR4	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575D2T-ADJR4G	1A, Adjustable Output Voltage 1.23 to 37V 52kHz Buck PWM Switching Regulator
LM2575-D	EASY SWITCHERE 1.0 A STEP-DOWN VOLTAGE REGULATOR
LM2575T-005	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575T-012	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575T-015	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575T-015G	1.0 A, Adjustable Output Voltage, Step−Down Switching Regulator
LM2575T-12G	1A, 12V, 52kHz Buck PWM Switching Regulator
LM2575T-15G	1A, 15V, 52kHz Buck PWM Switching Regulator
LM2575T-3.3	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575T-3.3G	1A, 3.3V, 52kHz Buck PWM Switching Regulator
LM2575T-5G	1A, 5V, 52kHz Buck PWM Switching Regulator
LM2575T-ADJ	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575T-ADJG	1A, Adjustable Output Voltage 1.23 to 37V 52kHz Buck PWM Switching Regulator
LM2575TV-005	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575TV-005G	1A, 5V, 52kHz Buck PWM Switching Regulator
LM2575TV-012	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575TV-012G	1A, 12V, Step-Down Switching Regulator
LM2575TV-015	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575TV-015G	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
LM2575TV-12	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
LM2575TV-15	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
LM2575TV-15G	1A, 15V, Step-Down Switching Regulator
LM2575TV-3.3	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575TV-3.3G	1A, 3.3V, 52kHz Buck PWM Switching Regulator
LM2575TV-5	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
LM2575TV-5G	1A, 5V, 52kHz Buck PWM Switching Regulator
LM2575TV-ADJ	Easy Switcher™ 1.0 A Step-Down Voltage Regulator
LM2575TV-ADJG	1A, Adjustable Output Voltage 1.23 to 37V, 52kHz Buck PWM Switching Regulator
LM2576	EASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATOR
LM2576D2T-005	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576D2T-005G	3A, 5V, 52kHz Buck PWM Switching Regulator
LM2576D2T-012	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576D2T-012G	3A, 12V, 52kHz Buck PWM Switching Regulator
LM2576D2T-015	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576D2T-15G	3A, 15V, 52kHz Buck PWM Switching Regulator
LM2576D2T-3.3	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576D2T-3.3G	3A, 3.3V, 52kHz Buck PWM Switching Regulator
LM2576D2T-ADJ	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576D2T-ADJG	3A, Adjustable Output Voltage 1.23 to 37V, 52kHz Buck PWM Switching Regulator
LM2576D2T-ADJR4	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576D2T-ADJR4G	3A, Adjustable Output Voltage 1.23 to 37V, 52kHz Buck PWM Switching Regulator
LM2576D2TR4-005	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576D2TR4-012	3A, 12V, 52kHz Buck PWM Switching Regulator
LM2576D2TR4-012G	3A, 12V, 52kHz Buck PWM Switching Regulator
LM2576D2TR4-3.3	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576D2TR4-3.3G	3A, 3.3V, 52kHz Buck PWM Switching Regulator
LM2576D2TR4-5G	3A, 5V, 52kHz Buck PWM Switching Regulator
LM2576T-005	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576T-005G	3A, 5V, 52kHz Buck PWM Switching Regulator
LM2576T-012	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576T-012G	3A, 12V, 52kHz Buck PWM Switching Regulator
LM2576T-015	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576T-15G	3A, 15V, 52kHz Buck PWM Switching Regulator
LM2576T-3.3	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576T-3.3G	3A, 3.3V, 52kHz Buck PWM Switching Regulator
LM2576T-ADJ	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576T-ADJG	3A, Adjustable Output Voltage 1.23 to 37V, 52kHz Buck PWM Switching Regulator
LM2576TV-005	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576TV-012	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576TV-012G	3A, 12V, 52kHz Buck PWM Switching Regulator
LM2576TV-015	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576TV-015G	3A, 15V, 52kHz Buck PWM Switching Regulator
LM2576TV-3.3	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576TV-3.3G	3A, 3.3V, 52kHz Buck PWM Switching Regulator
LM2576TV-5G	3A, 5V, 52kHz Buck PWM Switching Regulator
LM2576TV-ADJ	Easy Switcher™ 3.0 A Step-Down Voltage Regulator
LM2576TV-ADJG	3A, Adjustable Output Voltage 1.23 to 37V, 52kHz Buck PWM Switching Regulator
MC74AC257	QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
MC74AC257D	Quad 2 Input Multiplexer with 3 State Outputs
MC74AC257DR2	Quad 2 Input Multiplexer with 3 State Outputs
MC74AC257DR2G	Quad 2-Input Multiplexer 3-State Output
MC74AC257DT	Quad 2−Input Multiplexer with 3−State Outputs
MC74AC257DTR2	Quad 2−Input Multiplexer with 3−State Outputs
MC74AC257M	Quad 2 Input Multiplexer with 3 State Outputs
MC74AC257MEL	Quad 2 Input Multiplexer with 3 State Outputs
MC74AC257MELG	Quad 2-Input Multiplexer 3-State Output
MC74AC257ML1	Quad 2 Input Multiplexer with 3 State Outputs
MC74AC257ML2	Quad 2 Input Multiplexer with 3 State Outputs
MC74AC257MR1	Quad 2 Input Multiplexer with 3 State Outputs
MC74AC257MR2	Quad 2 Input Multiplexer with 3 State Outputs
MC74AC257N	Quad 2 Input Multiplexer with 3 State Outputs
MC74AC257NG	Quad 2-Input Multiplexer 3-State Output
MC74ACT257	QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
MC74ACT257D	Quad 2 Input Multiplexer with 3 State Outputs
MC74ACT257DG	Quad 2-Input Multiplexer with 3-State Output
MC74ACT257DR2	Quad 2 Input Multiplexer with 3 State Outputs
MC74ACT257DR2G	Quad 2-Input Multiplexer with 3-State Output
MC74ACT257DT	Quad 2−Input Multiplexer with 3−State Outputs
MC74ACT257DTR2	Quad 2−Input Multiplexer with 3−State Outputs
MC74ACT257M	Quad 2 Input Multiplexer with 3 State Outputs
MC74ACT257MEL	Quad 2 Input Multiplexer with 3 State Outputs
MC74ACT257MELG	Quad 2-Input Multiplexer with 3-State Output
MC74ACT257ML1	Quad 2 Input Multiplexer with 3 State Outputs
MC74ACT257ML2	Quad 2 Input Multiplexer with 3 State Outputs
MC74ACT257MR1	Quad 2 Input Multiplexer with 3 State Outputs
MC74ACT257MR2	Quad 2 Input Multiplexer with 3 State Outputs
MC74ACT257N	Quad 2 Input Multiplexer with 3 State Outputs
MC74ACT257NG	Quad 2-Input Multiplexer with 3-State Output
MC74LCX257_05	Low-Voltage CMOS Quad 2-Input Multiplexer With 5.0 V−Tolerant Inputs and Outputs (3−State, Non−Inverting)
MC74LCX257	LOW-VOLTAGE CMOS QUAD 2-INPUT MULTIPLEXER
MC74LCX257D	Low-Voltage CMOS Quad 2-Input Multiplexer w/ 5V-Tolerant Inputs and Outputs (3-State, Non-Inverting)
MC74LCX257DR2	Low-Voltage CMOS Quad 2-Input Multiplexer w/ 5V-Tolerant Inputs and Outputs (3-State, Non-Inverting)
MC74LCX257DR2G	Low-Voltage CMOS Quad 2-Input Multiplexer
MC74LCX257DT	Low-Voltage CMOS Quad 2-Input Multiplexer w/ 5V-Tolerant Inputs and Outputs (3-State, Non-Inverting)
MC74LCX257DTG	Low-Voltage CMOS Quad 2-Input Multiplexer
MC74LCX257DTR2	Low-Voltage CMOS Quad 2-Input Multiplexer w/ 5V-Tolerant Inputs and Outputs (3-State, Non-Inverting)
MC74LCX257DTR2G	Low-Voltage CMOS Quad 2-Input Multiplexer
MC74LCX257M	LOW-VOLTAGE CMOS QUAD 2-INPUT MULTIPLEXER
MC74LCX257MEL	Low-Voltage CMOS Quad 2-Input Multiplexer With 5.0 V−Tolerant Inputs and Outputs (3−State, Non−Inverting)
MC74LCX257MELG	Low-Voltage CMOS Quad 2-Input Multiplexer
MC74LCX257MG	Low-Voltage CMOS Quad 2-Input Multiplexer
MC74LCX257SD	LOW-VOLTAGE CMOS QUAD 2-INPUT MULTIPLEXER
MC74LVX257D	Quad 2-Channel Multiplexer with 3-State Outputs
MC74LVX257DG	Quad 2-Channel Multiplexer with 3-State Outputs
MC74LVX257DR2	Quad 2-Channel Multiplexer with 3-State Outputs
MC74LVX257DR2G	Quad 2-Channel Multiplexer with 3-State Outputs
MC74LVX257DT	Quad 2-Channel Multiplexer with 3-State Outputs
MC74LVX257DTG	Quad 2-Channel Multiplexer with 3-State Outputs
MC74LVX257DTR2	Quad 2-Channel Multiplexer with 3-State Outputs
MC74LVX257DTR2G	Quad 2-Channel Multiplexer with 3-State Outputs
MC74LVX257MEL	Quad 2-Channel Multiplexer with 3-State Outputs
MC74LVX257MELG	Quad 2-Channel Multiplexer with 3-State Outputs
MC74LVX257MG	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257D	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257DG	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257DR2	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257DR2G	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257DT	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257DTG	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257DTR2	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257DTR2G	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257M	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257MEL	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257MELG	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHC257MG	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHCT257A	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHCT257AD	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHCT257ADG	Quad 2-Channel Multiplexer with 3-State Outputs, Pb-free
MC74VHCT257ADR2	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHCT257ADR2G	Quad 2-Channel Multiplexer with 3-State Outputs, Pb-free
MC74VHCT257ADT	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHCT257ADTG	Quad 2-Channel Multiplexer with 3-State Outputs, Pb-free
MC74VHCT257AM	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHCT257AMEL	Quad 2-Channel Multiplexer with 3-State Outputs
MC74VHCT257AMELG	Quad 2-Channel Multiplexer with 3-State Outputs, Pb-free
MC74VHCT257AMG	Quad 2-Channel Multiplexer with 3-State Outputs, Pb-free
MMBZ5257BL	Zener Voltage Regulators
MMBZ5257BLT1	Zener Diode 225 mW 33 V ±5% SOT-23
MMBZ5257BLT1G	Zener Diode 225 mW 33 V ±5% SOT-23
MMBZ5257BLT3	Zener Diode 225 mW 33 V ±5% SOT-23
MMBZ5257BLT3G	Zener Diode 225 mW 33 V ±5% SOT-23
MMBZ5257ELT1	Zener Voltage Regulators
MMBZ5257ELT1G	225 W e-Rated Zener 33 V SOT-23
MMBZ5257ELT3	Zener Voltage Regulators
MMBZ5257ELT3G	225 W e-Rated Zener 33 V SOT-23
MMSZ5257BT1	Zener Voltage Regulators
MMSZ5257BT1G	Zener Diode 500 mW 33 V ±5% SOD-123
MMSZ5257BT3	Zener Voltage Regulators
MMSZ5257BT3G	Zener Voltage Regulators
MMSZ5257ET1	225 W e-Rated Zener 33 V SOD-123
MMSZ5257ET1G	225 W e-Rated Zener 33 V SOD-123
NB2579ASNR2	EMI REDUCER SERIES
NB2579ASNR2G	Low Power, Reduced EMI Clock Synthesizer
NCV2574	0.5 A, Adjustable Output Voltage, Step−Down Switching Regulator
NCV2574DW-ADJR2	0.5 A, Adjustable Output Voltage, Step−Down Switching Regulator
NCV2574DW-ADJR2G	0.5 A, Adjustable Output Voltage, Step−Down Switching Regulator
NCV2575D2T-5R4G	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
NCV2575D2T-ADJG	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
NCV2575D2T-ADJR4G	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
SN74LS257	LOW POWER SCHOTTKY
SN74LS257B	LOW POWER SCHOTTKY
SN74LS257BD	Quad 2-Input Multiplexer with 3-State Outputs
SN74LS257BDR2	Quad 2-Input Multiplexer with 3-State Outputs
SN74LS257BM	Quad 2-Input Multiplexer with 3-State Outputs
SN74LS257BMEL	Quad 2-Input Multiplexer with 3-State Outputs
SN74LS257BML1	Quad 2-Input Multiplexer with 3-State Outputs
SN74LS257BML2	Quad 2-Input Multiplexer with 3-State Outputs
SN74LS257BMR1	Quad 2-Input Multiplexer with 3-State Outputs
SN74LS257BMR2	Quad 2-Input Multiplexer with 3-State Outputs
SN74LS257BN	Quad 2-Input Multiplexer with 3-State Outputs

OPTEK

Part	Description
K5257	Phototransistor

PAJIT

Part	Description
BZM5257B	SURFACE MOUNT ZENER DIODES
BZQ5257B	SURFACE MOUNT ZENER DIODES
MMBZ5257A	SURFACE MOUNT SILICON ZENER DIODES
MMBZ5257AW	SURFACE MOUNT SILICON ZENER DIODES
MMBZ5257B	Surface mount silicon zener diode. Nominal zener voltage Vz = 33 V @ Izt. 500 mWatts zener diode.
MMBZ5257BV	SURFACE MOUNT SILICON ZENER DIODES
MMBZ5257BW	Surface mount silicon zener diode. Nominal zener voltage Vz = 33 V @ Izt. 200 mWatts zener diode.
MMSZ5257A	SURFACE MOUNT SILICON ZENER DIODES
MMSZ5257AS	SURFACE MOUNT SILICON ZENER DIODES
MMSZ5257B	Surface mount silicon zener diode. Nominal zener voltage Vz = 33 V @ Izt. 500 mWatts zener diode.
MMSZ5257BS	Surface mount silicon zener diode. Nominal zener voltage Vz = 33 V @ Izt. 200 mWatts zener diode.
PJBZ5257Q	500mW ZENERS IN QFN 1.2x1.5 mm?�

Panasonic (Matsushita)

Part	Description
2SD1257	Si NPN epitaxial planar. Power switching.
2SD1257	Silicon NPN epitaxial planar type power transistor
2SD1257A	Si NPN epitaxial planar. Power switching.
2SD1257A	Silicon NPN epitaxial planar type power transistor
2SD1257AP	150V Vcbo, 7A Ic Low frequency power silicon NPN transistor
2SD1257AQ	150V Vcbo, 7A Ic Low frequency power silicon NPN transistor
2SD1257AR	150V Vcbo, 7A Ic Low frequency power silicon NPN transistor
2SD1257P	130V Vcbo, 7A Ic Low frequency power silicon NPN transistor
2SD1257Q	130V Vcbo, 7A Ic Low frequency power silicon NPN transistor
2SD1257R	130V Vcbo, 7A Ic Low frequency power silicon NPN transistor
2SD2573	Silicon NPN triple diffusion planar type
2SD2575	Silicon NPN epitaxial planer type small signal transistor
2SK1257	V(dss): 60V; V(gss): +-20V; silicon N-channel power F-MOS FET. For DC-DC converter, no contact relay, solenoid drive, motor drive
2SK2571	Silicon N-Channel Power F-MOS FET
2SK2573	Silicon N-Channel Power F-MOS FET
AN6257S	Stereo/Audio Circuit
DN74LS257A	Quad 2-Input LS-TTL Multiplexer
DN74LS257AS	Quad 2-Input LS-TTL Multiplexer
MN23257	Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.

PARA

Part	Description
A-2570E	Common anode hi.effi red 0.7 inch, 5x7 dot matrix display
A-2570G	Common anode green 0.7 inch, 5x7 dot matrix display
A-2570H	Common anode red 0.7 inch, 5x7 dot matrix display
A-2570SR	Common anode super red 0.7 inch, 5x7 dot matrix display
A-2570Y	Common anode yellow 0.7 inch, 5x7 dot matrix display
C-2570E	Common cathode hi.effi red 0.7 inch, 5x7 dot matrix display
C-2570G	Common cathode green 0.7 inch, 5x7 dot matrix display
C-2570H	Common cathode red 0.7 inch, 5x7 dot matrix display
C-2570SR	Common cathode super red 0.7 inch, 5x7 dot matrix display
C-2570Y	Common cathode yellow 0.7 inch, 5x7 dot matrix display

PARAD

Part	Description
PDM41257LA10SO	256K static RAM 256K x 1-bit
PDM41257LA10SOA	256K static RAM 256K x 1-bit
PDM41257LA10SOATR	256K static RAM 256K x 1-bit
PDM41257LA10SOATY	256K static RAM 256K x 1-bit
PDM41257LA10SOI	256K static RAM 256K x 1-bit
PDM41257LA10SOITR	256K static RAM 256K x 1-bit
PDM41257LA10SOITY	256K static RAM 256K x 1-bit
PDM41257LA10SOTR	256K static RAM 256K x 1-bit
PDM41257LA10SOTY	256K static RAM 256K x 1-bit
PDM41257LA12SO	256K static RAM 256K x 1-bit
PDM41257LA12SOA	256K static RAM 256K x 1-bit
PDM41257LA12SOATR	256K static RAM 256K x 1-bit
PDM41257LA12SOATY	256K static RAM 256K x 1-bit
PDM41257LA12SOI	256K static RAM 256K x 1-bit
PDM41257LA12SOITR	256K static RAM 256K x 1-bit
PDM41257LA12SOITY	256K static RAM 256K x 1-bit
PDM41257LA12SOTR	256K static RAM 256K x 1-bit
PDM41257LA12SOTY	256K static RAM 256K x 1-bit
PDM41257LA15SO	256K static RAM 256K x 1-bit
PDM41257LA15SOA	256K static RAM 256K x 1-bit
PDM41257LA15SOATR	256K static RAM 256K x 1-bit
PDM41257LA15SOATY	256K static RAM 256K x 1-bit
PDM41257LA15SOI	256K static RAM 256K x 1-bit
PDM41257LA15SOITR	256K static RAM 256K x 1-bit
PDM41257LA15SOITY	256K static RAM 256K x 1-bit
PDM41257LA15SOTR	256K static RAM 256K x 1-bit
PDM41257LA15SOTY	256K static RAM 256K x 1-bit
PDM41257LA7SO	256K static RAM 256K x 1-bit
PDM41257LA7SOTR	256K static RAM 256K x 1-bit
PDM41257LA7SOTY	256K static RAM 256K x 1-bit
PDM41257LA8SO	256K static RAM 256K x 1-bit
PDM41257LA8SOA	256K static RAM 256K x 1-bit
PDM41257LA8SOATR	256K static RAM 256K x 1-bit
PDM41257LA8SOATY	256K static RAM 256K x 1-bit
PDM41257LA8SOI	256K static RAM 256K x 1-bit
PDM41257LA8SOITR	256K static RAM 256K x 1-bit
PDM41257LA8SOITY	256K static RAM 256K x 1-bit
PDM41257LA8SOTR	256K static RAM 256K x 1-bit
PDM41257LA8SOTY	256K static RAM 256K x 1-bit
PDM41257SA10SO	256K static RAM 256K x 1-bit
PDM41257SA10SOA	256K static RAM 256K x 1-bit
PDM41257SA10SOATR	256K static RAM 256K x 1-bit
PDM41257SA10SOATY	256K static RAM 256K x 1-bit
PDM41257SA10SOI	256K static RAM 256K x 1-bit
PDM41257SA10SOITR	256K static RAM 256K x 1-bit
PDM41257SA10SOITY	256K static RAM 256K x 1-bit
PDM41257SA10SOTR	256K static RAM 256K x 1-bit
PDM41257SA10SOTY	256K static RAM 256K x 1-bit
PDM41257SA12SO	256K static RAM 256K x 1-bit
PDM41257SA12SOA	256K static RAM 256K x 1-bit
PDM41257SA12SOATR	256K static RAM 256K x 1-bit
PDM41257SA12SOATY	256K static RAM 256K x 1-bit
PDM41257SA12SOI	256K static RAM 256K x 1-bit
PDM41257SA12SOITR	256K static RAM 256K x 1-bit
PDM41257SA12SOITY	256K static RAM 256K x 1-bit
PDM41257SA12SOTR	256K static RAM 256K x 1-bit
PDM41257SA12SOTY	256K static RAM 256K x 1-bit
PDM41257SA15SAOTR	256K static RAM 256K x 1-bit
PDM41257SA15SAOTY	256K static RAM 256K x 1-bit
PDM41257SA15SO	256K static RAM 256K x 1-bit
PDM41257SA15SOA	256K static RAM 256K x 1-bit
PDM41257SA15SOATR	256K static RAM 256K x 1-bit
PDM41257SA15SOATY	256K static RAM 256K x 1-bit
PDM41257SA15SOI	256K static RAM 256K x 1-bit
PDM41257SA15SOITR	256K static RAM 256K x 1-bit
PDM41257SA15SOITY	256K static RAM 256K x 1-bit
PDM41257SA15SOTR	256K static RAM 256K x 1-bit
PDM41257SA15SOTY	256K static RAM 256K x 1-bit
PDM41257SA7SO	256K static RAM 256K x 1-bit
PDM41257SA7SOTR	256K static RAM 256K x 1-bit
PDM41257SA7SOTY	256K static RAM 256K x 1-bit
PDM41257SA8SO	256K static RAM 256K x 1-bit
PDM41257SA8SOA	256K static RAM 256K x 1-bit
PDM41257SA8SOATR	256K static RAM 256K x 1-bit
PDM41257SA8SOATY	256K static RAM 256K x 1-bit
PDM41257SA8SOI	256K static RAM 256K x 1-bit
PDM41257SA8SOITR	256K static RAM 256K x 1-bit
PDM41257SA8SOITY	256K static RAM 256K x 1-bit
PDM41257SA8SOTR	256K static RAM 256K x 1-bit
PDM41257SA8SOTY	256K static RAM 256K x 1-bit

PEREG

Part	Description
4257-01	50 ??SPDT Absorptive UltraCMOS DC - 3.0 GHz RF Switch
4257-02	50 ??SPDT Absorptive UltraCMOS DC - 3.0 GHz RF Switch
4257	50 ??SPDT Absorptive UltraCMOS DC - 3.0 GHz RF Switch
4257-52	50 ??SPDT Absorptive UltraCMOS DC - 3.0 GHz RF Switch
PE4257	50 ??SPDT Absorptive UltraCMOS DC - 3.0 GHz RF Switch
PE4257-EK	50 ??SPDT Absorptive UltraCMOS DC - 3.0 GHz RF Switch

PERF

Part	Description
P4C1257-20CC	General Purpose Static RAM
P4C1257-20JC	General Purpose Static RAM
P4C1257-20LC	General Purpose Static RAM
P4C1257-20PC	General Purpose Static RAM
P4C1257-25CC	General Purpose Static RAM
P4C1257-25CM	General Purpose Static RAM
P4C1257-25CMB	General Purpose Static RAM
P4C1257-25JC	General Purpose Static RAM
P4C1257-25LC	General Purpose Static RAM
P4C1257-25LM	General Purpose Static RAM
P4C1257-25LMB	General Purpose Static RAM
P4C1257-25PC	General Purpose Static RAM
P4C1257-30CC	General Purpose Static RAM
P4C1257-30CM	General Purpose Static RAM
P4C1257-30CMB	General Purpose Static RAM
P4C1257-30JC	General Purpose Static RAM
P4C1257-30LC	General Purpose Static RAM
P4C1257-30LM	General Purpose Static RAM
P4C1257-30LMB	General Purpose Static RAM
P4C1257-30PC	General Purpose Static RAM
P4C1257-35CC	General Purpose Static RAM
P4C1257-35CM	General Purpose Static RAM
P4C1257-35CMB	General Purpose Static RAM
P4C1257-35JC	General Purpose Static RAM
P4C1257-35LC	General Purpose Static RAM
P4C1257-35LM	General Purpose Static RAM
P4C1257-35LMB	General Purpose Static RAM
P4C1257-35PC	General Purpose Static RAM
P4C1257-45CM	General Purpose Static RAM
P4C1257-45CMB	General Purpose Static RAM
P4C1257-45LM	General Purpose Static RAM
P4C1257-45LMB	General Purpose Static RAM
P4C1257-55CM	General Purpose Static RAM
P4C1257-55CMB	General Purpose Static RAM
P4C1257-55LM	General Purpose Static RAM
P4C1257-55LMB	General Purpose Static RAM
P4C1257L25CC	General Purpose Static RAM
P4C1257L25CM	General Purpose Static RAM
P4C1257L25CMB	General Purpose Static RAM
P4C1257L25JC	General Purpose Static RAM
P4C1257L25LC	General Purpose Static RAM
P4C1257L25LM	General Purpose Static RAM
P4C1257L25LMB	General Purpose Static RAM
P4C1257L25PC	General Purpose Static RAM
P4C1257L30CC	General Purpose Static RAM
P4C1257L30CM	General Purpose Static RAM
P4C1257L30CMB	General Purpose Static RAM
P4C1257L30JC	General Purpose Static RAM
P4C1257L30LC	General Purpose Static RAM
P4C1257L30LM	General Purpose Static RAM
P4C1257L30LMB	General Purpose Static RAM
P4C1257L30PC	General Purpose Static RAM
P4C1257L35CC	General Purpose Static RAM
P4C1257L35CM	General Purpose Static RAM
P4C1257L35CMB	General Purpose Static RAM
P4C1257L35JC	General Purpose Static RAM
P4C1257L35LC	General Purpose Static RAM
P4C1257L35LM	General Purpose Static RAM
P4C1257L35LMB	General Purpose Static RAM
P4C1257L35PC	General Purpose Static RAM
P4C1257L45CM	General Purpose Static RAM
P4C1257L45CMB	General Purpose Static RAM
P4C1257L45LM	General Purpose Static RAM
P4C1257L45LMB	General Purpose Static RAM
P4C1257L55CM	General Purpose Static RAM
P4C1257L55CMB	General Purpose Static RAM
P4C1257L55LM	General Purpose Static RAM
P4C1257L55LMB	General Purpose Static RAM
P54FCT257ATDB	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257ATDM	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257ATLB	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257ATLM	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257CTDB	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257CTDM	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257CTLB	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257CTLM	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257TDB	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257TDM	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257TLB	Quad 2-Input FCT/PCT-CMOS Multiplexer
P54FCT257TLM	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257ATD	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257ATL	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257ATP	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257ATSO	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257CTD	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257CTL	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257CTP	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257CTSO	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257TD	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257TL	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257TP	Quad 2-Input FCT/PCT-CMOS Multiplexer
P74FCT257TSO	Quad 2-Input FCT/PCT-CMOS Multiplexer

PERIC

Part	Description
PI33X257B	3.3V, 24:12 Mux/Demux BusSwitch
PI3B3257	3.3V, Quad 2:1 Mux/Demux Bus Switch
PI3B3257A	3.3V, Quad 2:1 Mux/DeMux NanoSwitch
PI3B3257L	3.3V, quad 2:1 mux/demux bus switch
PI3B3257Q	3.3V, quad 2:1 mux/demux bus switch
PI3B3257W	3.3V, quad 2:1 mux/demux bus switch
PI3B33X257	3.3V, 24:12 mux/demux bus switch
PI5C3257	Quad 2:1 MUX/DEMUX BusSwitch
PI5C3257CL	Quad 2:1 mux/demux bus switch with -2V undershoot protection
PI5C3257CQ	Quad 2:1 mux/demux bus switch with -2V undershoot protection
PI5C3257Q	Quad 2:1 mux/demux bus switch
PI5C3257R	Quad 2:1 mux/demux bus switch
PI5C3257S	Quad 2:1 mux/demux bus switch
PI5C3257W	Quad 2:1 mux/demux bus switch
PI5C33X257	24:12 MUX/DEMUX BusSwitch
PI5C33X257B	24:12 mux/demux bus switch
PI74FCT2257ATQ	Quad 2-Input FCT/PCT-CMOS Multiplexer
PI74FCT2257ATS	Quad 2-Input FCT/PCT-CMOS Multiplexer
PI74FCT2257CT	Fast CMOS Quad 2-Input Multiplexer
PI74FCT2257CTQ	Quad 2-Input FCT/PCT-CMOS Multiplexer
PI74FCT2257CTS	Quad 2-Input FCT/PCT-CMOS Multiplexer
PI74FCT2257T	Fast CMOS Quad 2-Input Multiplexer
PI74FCT2257TQ	Fast CMOS quad 2-input multiplexer
PI74FCT2257TS	Fast CMOS quad 2-input multiplexer
PI74FCT2257TW	Fast CMOS quad 2-input multiplexer
PI74FCT2573ATP	Latch
PI74FCT2573ATQ	Latch
PI74FCT2573ATS	Latch
PI74FCT2573CTP	Latch
PI74FCT2573CTQ	Latch
PI74FCT2573CTS	Latch
PI74FCT2573DTP	Latch
PI74FCT2573DTQ	Latch
PI74FCT2573DTS	Latch
PI74FCT2573TL	Fast CMOS 3.3V 8-bit transparent latch
PI74FCT2573TP	Fast CMOS 3.3V 8-bit transparent latch
PI74FCT2573TQ	Fast CMOS 3.3V 8-bit transparent latch
PI74FCT2573TR	Fast CMOS 3.3V 8-bit transparent latch
PI74FCT2573TS	Fast CMOS 3.3V 8-bit transparent latch
PI74FCT2574TL	Fast CMOS octal D register (3-state)
PI74FCT2574TP	Fast CMOS octal D register (3-state)
PI74FCT2574TQ	Fast CMOS octal D register (3-state)
PI74FCT2574TR	Fast CMOS octal D register (3-state)
PI74FCT2574TS	Fast CMOS octal D register (3-state)
PI74FCT257ATQ	Quad 2-Input FCT/PCT-CMOS Multiplexer
PI74FCT257ATS	Quad 2-Input FCT/PCT-CMOS Multiplexer
PI74FCT257CT	Fast CMOS Quad 2-Input Multiplexer
PI74FCT257CTQ	Quad 2-Input FCT/PCT-CMOS Multiplexer
PI74FCT257CTS	Quad 2-Input FCT/PCT-CMOS Multiplexer
PI74FCT257T	Fast CMOS Quad 2-Input Multiplexer
PI74FCT257TQ	Fast CMOS quad 2-input multiplexer
PI74FCT257TS	Fast CMOS quad 2-input multiplexer
PI74FCT257TW	Fast CMOS quad 2-input multiplexer

Philips Semiconductors

Part	Description
1N5257B	33 V, voltage regulator diode
54F257A/B2A	Quad 2-Input F-TTL Multiplexer
54F257A/B2C	Quad 2-Input F-TTL Multiplexer
54F257A/BEA	Quad 2-Input F-TTL Multiplexer
54F257A/BFA	Quad 2-Input F-TTL Multiplexer
54LS257A/B2A	Quad 2-Input LS-TTL Multiplexer
54LS257A/B2C	Quad 2-Input LS-TTL Multiplexer
54LS257A/BEA	Quad 2-Input LS-TTL Multiplexer
54LS257A/BFA	Quad 2-Input LS-TTL Multiplexer
74AC11257D	Quad 2-Input AC-CMOS Multiplexer
74AC11257D-T	Quad 2-Input AC-CMOS Multiplexer
74AC11257N	Quad 2-Input AC-CMOS Multiplexer
74ACT11257D	Quad 2-Input ACT-CMOS Multiplexer
74ACT11257D-T	Quad 2-Input ACT-CMOS Multiplexer
74ACT11257N	Quad 2-Input ACT-CMOS Multiplexer
74AHC257	Quad 2-input multiplexer; 3-state
74AHC257D	Quad 2-input multiplexer; 3-state
74AHC257PW	Quad 2-input multiplexer; 3-state
74AHCT257	Quad 2-input multiplexer; 3-state
74AHCT257D	Quad 2-input multiplexer; 3-state
74AHCT257PW	Quad 2-input multiplexer; 3-state
74ALS257	Data selector/multiplexer
74ALS257D	5.5 V, data selector/multiplexer
74ALS257DB	5.5 V, data selector/multiplexer
74ALS257N	5.5 V, data selector/multiplexer
74F257A	Quad 2-line to 1-line selector/multiplexer, non-inverting 3-State
74HC257	Quad 2-input multiplexer 3-state
74HC257D	Quad 2-input multiplexer 3-state
74HC257DB	Quad 2-input multiplexer 3-state
74HC257D-T	Quad 2-Input HC-CMOS Multiplexer
74HC257N	Quad 2-input multiplexer 3-state
74HC257N-B	Quad 2-Input HC-CMOS Multiplexer
74HC257PW	Quad 2-input multiplexer 3-state
74HCT257D	Quad 2-input multiplexer 3-state
74HCT257DB	Quad 2-input multiplexer 3-state
74HCT257D-T	Quad 2-Input HCT-CMOS Multiplexer
74HCT257N	Quad 2-input multiplexer 3-state
74HCT257N-B	Quad 2-Input HCT-CMOS Multiplexer
74HCT257PW	Quad 2-input multiplexer 3-state
74LV257	Quad 2-input multiplexer 3-State
74LV257D	Quad 2-input multiplexer (3-State)
74LV257DB	Quad 2-input multiplexer (3-State)
74LV257N	Quad 2-input multiplexer (3-State)
74LV257PW	Quad 2-input multiplexer (3-State)
74LV257PWDH	Quad 2-input multiplexer 3-State
74LVC257A	Quad 2-input multiplexer with 5 Volt tolerant inputs/outputs 3-State
74LVC257AD	Quad 2-input multiplexer with 5 V tolerant inputs/outputs (3-State)
74LVC257ADB	Quad 2-input multiplexer with 5 V tolerant inputs/outputs (3-State)
74LVC257APW	Quad 2-input multiplexer with 5 V tolerant inputs/outputs (3-State)
74LVC257APWDH	Quad 2-input multiplexer with 5 Volt tolerant inputs/outputs 3-State
74LVC257D	Quad 2-Input LVC-CMOS Multiplexer
74LVC257DB	Quad 2-Input LVC-CMOS Multiplexer
74LVC257PW	Quad 2-Input LVC-CMOS Multiplexer



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