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    Semiconductor parts containing 257 in root number. Page 10.
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Philips Semiconductors
PartDescription
CBT3257AQuad 1-of-2 multiplexer/demultiplexer
CBT3257ADQuad 1-of-2 multiplexer/demultiplexer
CBT3257ADS Quad 1-of-2 multiplexer/demultiplexer
CBT3257APWQuad 1-of-2 multiplexer/demultiplexer
CBT3257DQuad 1-of-2 multiplexer/demultiplexer
CBT3257DBQuad 1-of-2 multiplexer/demultiplexer
CBT3257DSQuad 1-of-2 multiplexer/demultiplexer
CBT3257PWQuad 1-of-2 multiplexer/demultiplexer
CBTD3257D Quad 1-of-2 multiplexer/demultiplexer with level shifting
CBTD3257DSQuad 1-of-2 multiplexer/demultiplexer with level shifting
CT3257Quad 1-of-2 multiplexer/demultiplexer
FCB61C257-10PGeneral Purpose Static RAM
FCB61C257-10TGeneral Purpose Static RAM
FCB61C257-55PGeneral Purpose Static RAM
FCB61C257-55TGeneral Purpose Static RAM
FCB61C257-70PGeneral Purpose Static RAM
FCB61C257-70TGeneral Purpose Static RAM
FCB61C257L10PGeneral Purpose Static RAM
FCB61C257L10TGeneral Purpose Static RAM
FCB61C257L55PGeneral Purpose Static RAM
FCB61C257L55TGeneral Purpose Static RAM
FCB61C257L70PGeneral Purpose Static RAM
FCB61C257L70TGeneral Purpose Static RAM
FCB61C257LL10PGeneral Purpose Static RAM
FCB61C257LL10TGeneral Purpose Static RAM
FCB61C257LL55PGeneral Purpose Static RAM
FCB61C257LL55TGeneral Purpose Static RAM
FCB61C257LL70PGeneral Purpose Static RAM
FCB61C257LL70TGeneral Purpose Static RAM
I74F257ADQuad 2-line to 1-line selector/multiplexer, non-inverting (3-State)
I74F257ANQuad 2-line to 1-line selector/multiplexer, non-inverting (3-State)
LVC257AQuad 2-input multiplexer with 5 Volt tolerant inputs/outputs (3-State)
N74ALS257DData selector/multiplexer
N74ALS257DBData selector/multiplexer
N74ALS257D-TQuad 2-Input ALS-TTL Multiplexer
N74ALS257NData selector/multiplexer
N74ALS257N-BQuad 2-Input ALS-TTL Multiplexer
N74F257ADQuad 2-line to 1-line selector/multiplexer, non-inverting (3-State)
N74F257AD-TQuad 2-Input F-TTL Multiplexer
N74F257ANQuad 2-line to 1-line selector/multiplexer, non-inverting (3-State)
N74F257AN-BQuad 2-Input F-TTL Multiplexer
N74F257ANBQuad 2-Input F-TTL Multiplexer
N74F257DQuad 2-Input F-TTL Multiplexer
N74F257DBQuad 2-Input F-TTL Multiplexer
N74F257D-TQuad 2-Input F-TTL Multiplexer
N74F257FQuad 2-Input F-TTL Multiplexer
N74F257FBQuad 2-Input F-TTL Multiplexer
N74F257NQuad 2-Input F-TTL Multiplexer
N74F257N-BQuad 2-Input F-TTL Multiplexer
N74F257NBQuad 2-Input F-TTL Multiplexer
N74LS257ADQuad 2-Input LS-TTL Multiplexer
N74LS257AD-TQuad 2-Input LS-TTL Multiplexer
N74LS257AFQuad 2-Input LS-TTL Multiplexer
N74LS257AFBQuad 2-Input LS-TTL Multiplexer
N74LS257ANQuad 2-Input LS-TTL Multiplexer
N74LS257AN-BQuad 2-Input LS-TTL Multiplexer
N74LS257ANBQuad 2-Input LS-TTL Multiplexer
N74LS257NQuad 2-Input LS-TTL Multiplexer
N74LS257N-BQuad 2-Input LS-TTL Multiplexer
N74LS257NBQuad 2-Input LS-TTL Multiplexer
N74S257DQuad 2-Input S-TTL Multiplexer
N74S257D-TQuad 2-Input S-TTL Multiplexer
N74S257FQuad 2-Input S-TTL Multiplexer
N74S257FBQuad 2-Input S-TTL Multiplexer
N74S257NQuad 2-Input S-TTL Multiplexer
N74S257N-BQuad 2-Input S-TTL Multiplexer
N74S257NBQuad 2-Input S-TTL Multiplexer
PC74HC257PQuad 2-Input HC-CMOS Multiplexer
PC74HC257TQuad 2-Input HC-CMOS Multiplexer
PC74HC257T-TQuad 2-Input HC-CMOS Multiplexer
PC74HCT257PQuad 2-Input HCT-CMOS Multiplexer
PC74HCT257TQuad 2-Input HCT-CMOS Multiplexer
PC74HCT257T-TQuad 2-Input HCT-CMOS Multiplexer
PMBZ5257BVoltage regulator diodes
PMBZ5257B33 V, 3.8 mA, voltage regulator diode
PMBZ5257BVoltage regulator diode.
PMLL5257B33 V, voltage regulator diode
S54F257F/883BQuad 2-Input F-TTL Multiplexer
S54F257F/883CQuad 2-Input F-TTL Multiplexer
S54F257G/883BQuad 2-Input F-TTL Multiplexer
S54F257G/883CQuad 2-Input F-TTL Multiplexer
S54LS257AFQuad 2-Input LS-TTL Multiplexer
S54LS257AF/883BQuad 2-Input LS-TTL Multiplexer
S54LS257AF/883CQuad 2-Input LS-TTL Multiplexer
S54LS257AG/883BQuad 2-Input LS-TTL Multiplexer
S54LS257AWQuad 2-Input LS-TTL Multiplexer
S54LS257AW/883BQuad 2-Input LS-TTL Multiplexer
S54S257F/883BQuad 2-Input S-TTL Multiplexer
S54S257F/883CQuad 2-Input S-TTL Multiplexer
S54S257W/883BQuad 2-Input S-TTL Multiplexer
SNJ54LS257AJQuad 2-Input LS-TTL Multiplexer
TDA2577A13.2V; 8mA; 1.1W; synchronization circuit with vertical incillator and driver stages
TDA2577ANTV/Video Circuits
TDA2578A12V; 55mA; synchronization circuit with vertical oscilator and driver stages
TDA2578ANTV/Video Circuits
TDA2579ATV/Video Circuits
TDA2579ANTV/Video Circuits
TDA2579BHorizontal/vertical synchronization circuit
TDA2579B/N2Horizontal/vertical synchronization circuit
TDA2579C12 V, synchronization circuit
TDA2579NTV/Video Circuits

PIRGO
PartDescription
2N625750V Vcbo, 20A Ic Low frequency power silicon NPN transistor
PG125760V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor
PG2257Transistors, Bipolar, Si PNP Power

Plessey Semiconductors
PartDescription
DC4257B60V Vrrm, 4.7pF Capacitance Varactor Diode

Princeton Technology Corp.
PartDescription
PT2257_07Electronic Volume Controller IC
PT2257_08Electronic Volume Controller IC
PT2257Electronic volume controller IC
PT2257LElectronic Volume Controller IC
PT2257-SElectronic volume controller IC
PT2257-SL Electronic Volume Controller IC
PT2579_10 RDS Demodulator IC
PT2579RDS Demodulator IC
PT2579LRDS Demodulator IC
PT2579-S RDS Demodulator IC
PT2579-SN RDS Demodulator IC
PT2579-SNL RDS Demodulator IC
PT2579-X RDS Demodulator IC

PURDY
PartDescription
AND2570GALED Display
AND2570GCLED Display
AND2570SALED Display
AND2570SCLED Display
AND2571GALED Display
AND2571GCLED Display
AND2571SALED Display
AND2571SCLED Display

PWRX
PartDescription
D60T257510300V Vcbo Low frequency power silicon NPN transistor
D62T257510300V Vcbo Low frequency power silicon NPN transistor

QLITY
PartDescription
QS3257DBQuad 2-Input CMOS Multiplexer
QS3257HBQuad 2-Input CMOS Multiplexer
QS3257LBQuad 2-Input CMOS Multiplexer
QS3257PQuad 2-Input CMOS Multiplexer
QS3257QQuad 2-Input CMOS Multiplexer
QS3257S1Quad 2-Input CMOS Multiplexer
QS3257SOQuad 2-Input CMOS Multiplexer
QS54FCT2257ATDBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT2257ATHBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT2257ATLBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT2257CTDBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT2257CTHBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT2257CTLBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT2257TDBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT2257THBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT2257TLBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT2573ATDBLatch
QS54FCT2573ATHBLatch
QS54FCT2573ATLBLatch
QS54FCT2573CTDBLatch
QS54FCT2573CTLBLatch
QS54FCT2573TDBLatch
QS54FCT2573THBLatch
QS54FCT2573TLBLatch
QS54FCT2574ATDBFlip-Flop
QS54FCT2574ATHBFlip-Flop
QS54FCT2574ATLBFlip-Flop
QS54FCT2574CTDBFlip-Flop
QS54FCT2574CTHBFlip-Flop
QS54FCT2574CTLBFlip-Flop
QS54FCT2574TDBFlip-Flop
QS54FCT2574THBFlip-Flop
QS54FCT2574TLBFlip-Flop
QS54FCT257ATDBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT257ATHBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT257ATLBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT257CTDBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT257CTHBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT257CTLBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT257TDBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT257THBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS54FCT257TLBQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257ATDQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257ATLQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257ATPQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257ATQQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257ATS1Quad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257ATSOQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257ATZQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257CTDQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257CTLQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257CTPQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257CTQQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257CTS1Quad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257CTSOQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257CTZQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257TDQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257TLQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257TPQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257TQQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257TS1Quad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257TSOQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2257TZQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT2573ATDLatch
QS74FCT2573ATLLatch
QS74FCT2573ATPLatch
QS74FCT2573ATQLatch
QS74FCT2573ATSOLatch
QS74FCT2573ATZLatch
QS74FCT2573CTDLatch
QS74FCT2573CTLLatch
QS74FCT2573CTPLatch
QS74FCT2573CTQLatch
QS74FCT2573CTSOLatch
QS74FCT2573CTZLatch
QS74FCT2573TDLatch
QS74FCT2573TLLatch
QS74FCT2573TPLatch
QS74FCT2573TQLatch
QS74FCT2573TSOLatch
QS74FCT2573TZLatch
QS74FCT2574ATDFlip-Flop
QS74FCT2574ATLFlip-Flop
QS74FCT2574ATPFlip-Flop
QS74FCT2574ATQFlip-Flop
QS74FCT2574ATSOFlip-Flop
QS74FCT2574ATZFlip-Flop
QS74FCT2574CTPFlip-Flop
QS74FCT2574CTQFlip-Flop
QS74FCT2574CTSOFlip-Flop
QS74FCT2574CTZFlip-Flop
QS74FCT2574DTPFlip-Flop
QS74FCT2574DTQFlip-Flop
QS74FCT2574DTSOFlip-Flop
QS74FCT2574DTZFlip-Flop
QS74FCT2574TDFlip-Flop
QS74FCT2574TLFlip-Flop
QS74FCT2574TPFlip-Flop
QS74FCT2574TQFlip-Flop
QS74FCT2574TSOFlip-Flop
QS74FCT2574TZFlip-Flop
QS74FCT257ATDQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257ATLQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257ATPQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257ATQQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257ATS1Quad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257ATSOQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257ATZQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257CTDQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257CTLQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257CTPQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257CTQQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257CTS1Quad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257CTSOQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257CTZQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257TDQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257TLQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257TPQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257TQQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257TS1Quad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257TSOQuad 2-Input FCT/PCT-CMOS Multiplexer
QS74FCT257TZQuad 2-Input FCT/PCT-CMOS Multiplexer

RADTN
PartDescription
ZX54AHCT257JQuad 2-Input AHCT-CMOS Multiplexer
ZX54AHCT257J+Quad 2-Input AHCT-CMOS Multiplexer
ZX54HCTLS257JQuad 2-Input HCT-CMOS Multiplexer
ZX54HCTLS257J+Quad 2-Input HCT-CMOS Multiplexer
ZX74AHCT257JQuad 2-Input AHCT-CMOS Multiplexer
ZX74AHCT257J+Quad 2-Input AHCT-CMOS Multiplexer
ZX74AHCT257NQuad 2-Input AHCT-CMOS Multiplexer
ZX74AHCT257N+Quad 2-Input AHCT-CMOS Multiplexer
ZX74HCTLS257JQuad 2-Input HCT-CMOS Multiplexer
ZX74HCTLS257J+Quad 2-Input HCT-CMOS Multiplexer
ZX74HCTLS257NQuad 2-Input HCT-CMOS Multiplexer
ZX74HCTLS257N+Quad 2-Input HCT-CMOS Multiplexer

RAYRF
PartDescription
25LS257JQuad 2-Input LS-TTL Multiplexer
25LS257J/883BQuad 2-Input LS-TTL Multiplexer
25LS257NQuad 2-Input LS-TTL Multiplexer
25LS257NA+1Quad 2-Input LS-TTL Multiplexer
25LS257NA+2Quad 2-Input LS-TTL Multiplexer
25LS257WQuad 2-Input LS-TTL Multiplexer
25LS257W/883BQuad 2-Input LS-TTL Multiplexer
54LS257J03Quad 2-Input LS-TTL Multiplexer
54LS257JQuad 2-Input LS-TTL Multiplexer
54LS257W03Quad 2-Input LS-TTL Multiplexer
54LS257WQuad 2-Input LS-TTL Multiplexer
74LS257NQuad 2-Input LS-TTL Multiplexer
74LS257NA+1Quad 2-Input LS-TTL Multiplexer
74LS257NA+2Quad 2-Input LS-TTL Multiplexer
LF257DEOperational Amplifier

RCA Semiconductors
PartDescription
CD54AC257FQuad 2-Input AC-CMOS Multiplexer
CD54AC257F/3AQuad 2-Input AC-CMOS Multiplexer
CD54AC257F3AQuad 2-Input AC-CMOS Multiplexer
CD54AC257FXQuad 2-Input AC-CMOS Multiplexer
CD54ACT257FQuad 2-Input ACT-CMOS Multiplexer
CD54ACT257F3AQuad 2-Input ACT-CMOS Multiplexer
CD54ACT257FXQuad 2-Input ACT-CMOS Multiplexer
CD54HC257FQuad 2-Input HC-CMOS Multiplexer
CD54HC257F/3Quad 2-Input HC-CMOS Multiplexer
CD54HC257F/3AQuad 2-Input HC-CMOS Multiplexer
CD54HC257F3AQuad 2-Input HC-CMOS Multiplexer
CD54HC257F/3WQuad 2-Input HC-CMOS Multiplexer
CD54HC257F/4Quad 2-Input HC-CMOS Multiplexer
CD54HC257FXQuad 2-Input HC-CMOS Multiplexer
CD54HC257HQuad 2-Input HC-CMOS Multiplexer
CD54HCT257FQuad 2-Input HCT-CMOS Multiplexer
CD54HCT257F3AQuad 2-Input HCT-CMOS Multiplexer
CD54HCT257FXQuad 2-Input HCT-CMOS Multiplexer
CD54HCT257HQuad 2-Input HCT-CMOS Multiplexer
CD74AC257EQuad 2-Input AC-CMOS Multiplexer
CD74AC257E98Quad 2-Input AC-CMOS Multiplexer
CD74AC257EXQuad 2-Input AC-CMOS Multiplexer
CD74AC257EX98Quad 2-Input AC-CMOS Multiplexer
CD74AC257MQuad 2-Input AC-CMOS Multiplexer
CD74AC257M96Quad 2-Input AC-CMOS Multiplexer
CD74AC257MXQuad 2-Input AC-CMOS Multiplexer
CD74ACT257EQuad 2-Input ACT-CMOS Multiplexer
CD74ACT257E98Quad 2-Input ACT-CMOS Multiplexer
CD74ACT257EXQuad 2-Input ACT-CMOS Multiplexer
CD74ACT257EX98Quad 2-Input ACT-CMOS Multiplexer
CD74ACT257MQuad 2-Input ACT-CMOS Multiplexer
CD74ACT257M96Quad 2-Input ACT-CMOS Multiplexer
CD74ACT257MXQuad 2-Input ACT-CMOS Multiplexer
CD74HC257EQuad 2-Input HC-CMOS Multiplexer
CD74HC257E98Quad 2-Input HC-CMOS Multiplexer
CD74HC257EXQuad 2-Input HC-CMOS Multiplexer
CD74HC257EX98Quad 2-Input HC-CMOS Multiplexer
CD74HC257HQuad 2-Input HC-CMOS Multiplexer
CD74HC257MQuad 2-Input HC-CMOS Multiplexer
CD74HC257M96Quad 2-Input HC-CMOS Multiplexer
CD74HC257MXQuad 2-Input HC-CMOS Multiplexer
CD74HCT257EQuad 2-Input HCT-CMOS Multiplexer
CD74HCT257E98Quad 2-Input HCT-CMOS Multiplexer
CD74HCT257EXQuad 2-Input HCT-CMOS Multiplexer
CD74HCT257EX98Quad 2-Input HCT-CMOS Multiplexer
CD74HCT257HQuad 2-Input HCT-CMOS Multiplexer
CD74HCT257MQuad 2-Input HCT-CMOS Multiplexer
CD74HCT257M96Quad 2-Input HCT-CMOS Multiplexer
CD74HCT257MXQuad 2-Input HCT-CMOS Multiplexer

RECTR
PartDescription
1N5257B500mW 5% zener diode. Zener voltage Vz = 33V @ Izt = 3.8mA.
CMBZ5257B5% surface mount zener diode. Zener voltage Vz = 33V at Iz = 3.8mA.
FR257Fast recovery rectifier. MaxVRRM = 1000V, maxVRMS = 700V, maxVDC = 1000V. Current 2.5A.
FR257PFast recovery rectifier. MaxVRRM = 1000V, maxVRMS = 700V, maxVDC = 1000V. Current 2.5A.
RL257Silicon rectifier. Max recurrent peak reverse voltage 1000V, max RMS voltage 700V, max DC blocking voltage 1000V. Max average forward rectified current 2.5A at Ta=75degC.
ZMM5257B5% zener diode. Power dissipation 500 mW. Zener voltage Vz=33V at Izt=3.8mA.

RENES
PartDescription
HD74HC257RPEL Quad. 2-to-1-line Data Selectors/Multiplexers(with noninverted 3-state outputs)
HD74LS257PQuadruple 2-line-to-1-line Data Selectors / Multiplexers (with not inverted 3-state outputs)
HN58V257AT-12E 256k EEPROM (32-kword ?? 8-bit) Ready/Busy and RES function (HN58V257A)
R5F21257SDFP RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES
R5F21257SDXXXFP RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES
R5F21257SNFP RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES
R5F21257SNXXXFP RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES

RENRD
PartDescription
20257025A Iout, 50V Vrrm General Purpose Silicon Rectifier
20257125A Iout, 50V Vrrm General Purpose Silicon Rectifier
21257025A Iout, 100V Vrrm General Purpose Silicon Rectifier
21257125A Iout, 100V Vrrm General Purpose Silicon Rectifier
22257025A Iout, 200V Vrrm General Purpose Silicon Rectifier
22257125A Iout, 200V Vrrm General Purpose Silicon Rectifier
24257025A Iout, 400V Vrrm General Purpose Silicon Rectifier
24257125A Iout, 400V Vrrm General Purpose Silicon Rectifier

RFE
PartDescription
1N5257B33V, 500mWt General purpose voltage reference/regulator diode
FR2572.5A Iout, 1.0kV Vrrm Fast Recovery Rectifier
TR2572.5A Iout, 1.0kV Vrrm General Purpose Silicon Rectifier

RHMBS
PartDescription
AIZ-1257AIZ Series Passive 10-Tap DIP/SMD Delay Modules
AIZ-257 AIZ Series Passive 10-Tap DIP/SMD Delay Modules
AMZ-257 AMZ & AMY Series Passive 5-Tap DIP/SMD Delay Modules
L-13257 Slug Inductors
L-257Common Mode Inductors
SH6G-0257 SH6G Series Mini 6-Pin SMD Passive Delay Modules / AML1 Series Mini 16-Pin 50-mil SMD Passive Delay Modules
SIP4-257SIP4 Series 5-Tap High Performance Passive Delay Modules
SIP8-257High Performance Single Output SIP Passive Delay Lines
T-12257 Wideband RF Impedance Matching Transformers

ROHM Co.
PartDescription
1N5257A33V, 500mWt General purpose voltage reference/regulator diode
1N5257B33V, 500mWt General purpose voltage reference/regulator diode
2SD2576NPN power transistor, 60V, 3A
BA3257FPDual low drop out regulator ceramic capacitor available
BA3257FPHFPDual Low Drop Out Regulator Ceramic Capacitor Available
BA3257HFPDual low drop out regulator ceramic capacitor available
BA6257Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
BD5257FVEVoltage detector, 5.7V
BD5257GVoltage detector, 5.7V
RLZ5257B33V, 500mWt General purpose voltage reference/regulator diode
RSZ5257B33.0V, 300mWt General purpose voltage reference/regulator diode

Semelab Plc.
PartDescription
1N5257ZENER VOLTAGE REGULATOR DIODE IN HERMETIC CERAMIC SURFACE MOUNT PACKAGE FOR HIGH RELIABILITY APPLICATIONS
1N5257B-LCC3ZENER VOLTAGE REGULATOR DIODE IN HERMETIC CERAMIC SURFACE MOUNT PACKAGE FOR HIGH RELIABILITY APPLICATIONS
2N625750V Vcbo, 20A Ic Low frequency power silicon NPN transistor
BF257160V Vcbo, 100mA Ic Low frequency power silicon NPN transistor
IRFY1310M-T257100V Vdss N-Channel FET (field effect transistor)
IRFY430M-T257500V Vdss N-Channel FET (field effect transistor)
LT1085-T2571.5A Adjustable Positive Voltage Regulator - Low Drop Out

SANYO Electric Co., Ltd.
PartDescription
2SA1257PNP transistors for high-voltage switching, AF power amp, 100W output predriver applications
2SA1257PNP epitaxial planar silicon transistor, high-voltage, AF power amp, 100W output predriver application
2SA1257G3Transistors, Bipolar, Si PNP Low-Power
2SA1257G4Transistors, Bipolar, Si PNP Low-Power
2SA1257G5Transistors, Bipolar, Si PNP Low-Power
2SC4257NPN triple diffused planar silicon transistor, high-voltage switching application
2SD2578NPN transistor for color TV horizontal deflection output applications, 1500V, 8A
2SD2579NPN Triple Diffused Planar Silicon Transistor Color TV Horizontal Deflection Output Applications
2SJ257P-channel MOS silicon FET, very high-speed switching application
ENA1257 Bi-CMOS LSI For Car Audio Systems Electronic Volume IC
FW257N CHANNEL MOS SILICON TRANSISTOR
LB12578-unit, low-saturation driver
LC36257P10Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
LC36257P12Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
LC36257PL10Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
LC36257PL12Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
LC36257PM10Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
LC36257PM12Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
LC36257PML10Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
LC36257PML12Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet.
LPH12257-02Miscellaneous Optoelectronic Device
LV2257PTTBi-CMOS IC 434MHz Band FSK/ASK Wireless Transmitter IC
SL2572-01KLED Display
SL2574LED Display

SARAT
PartDescription
SSB91257-15HCGeneral Purpose Static RAM
SSB91257-15ZCGeneral Purpose Static RAM
SSB91257-20HCGeneral Purpose Static RAM
SSB91257-20ZCGeneral Purpose Static RAM
SSB91257-25HCGeneral Purpose Static RAM
SSB91257-25ZCGeneral Purpose Static RAM

SCHRT
PartDescription
0034.4257Subminiature Fuse, 6.4 mm, Quick-Acting F, 125 VAC, 125 VDC
2571 IEC Appliance Inlet C8, Screw-on Mounting, Front Side, Solder or Quick-connect or Print Terminal
2572-H-ABC0-D-EGF IEC Appliance Inlet C8, insert Mounting, Solder, PCB or Quick-connect Terminal
2573 IEC Appliance Inlet C8, Screw-on Mounting, Front Side, Solder or Quick-connect Terminal
2574IEC Appliance Inlet C8, Screw-on Mounting, Front Side, Solder or Quick-connect Terminal
2574-H-ABC0-D-E IEC Appliance Inlet C8, Screw-on Mounting, Front Side, Solder or Quick-connect Terminal
2576-H-ABC0-D-EGF IEC Appliance Inlet C8, Screw-on Mounting, Front Side, Solder or Quick-connect or Print Terminal
2578IEC Appliance Inlet C8, Snap-in Mounting, Front Side, Solder or Quick-connect Terminal

SEMIP
PartDescription
SP74HC257JQuad 2-Input HC-CMOS Multiplexer
SP74HC257NQuad 2-Input HC-CMOS Multiplexer

Semtech Corp.
PartDescription
1N5257SILICON PLANAR ZENER DIODES
E4257Dual Channel Per-Pin Parametric Measurement Unit
E4257ALPDual Channel Per-Pin Parametric Measurement Unit
E4257ALP-TDual Channel Per-Pin Parametric Measurement Unit
E4257ALPT Dual Channel Per-Pin Parametric Measurement Unit
LM25751A & 3A Miniconverter Switching Regulators
LM2575S-12TR1A & 3A miniconverter switching regulator
LM2575S-3.31A & 3A Miniconverter Switching Regulators
LM2575S-3.3TR1A & 3A miniconverter switching regulator
LM2575S-5TR1A & 3A miniconverter switching regulator
LM2575S1A & 3A Miniconverter Switching Regulators
LM2575STR1A & 3A miniconverter switching regulator
LM2575T-121A & 3A miniconverter switching regulator
LM2575T-12-H1A & 3A miniconverter switching regulator
LM2575T-12-V1A & 3A miniconverter switching regulator
LM2575T1A & 3A miniconverter switching regulator
LM2575T-3.31A & 3A miniconverter switching regulator
LM2575T-3.3-H1A & 3A miniconverter switching regulator
LM2575T-3.3-V1A & 3A miniconverter switching regulator
LM2575T-51A & 3A miniconverter switching regulator
LM2575T-5-H1A & 3A miniconverter switching regulator
LM2575T-5-V1A & 3A miniconverter switching regulator
LM25761A & 3A Miniconverter Switching Regulators
LM2576S-12TR1A & 3A miniconverter switching regulator
LM2576S-3.31A & 3A Miniconverter Switching Regulators
LM2576S-3.3TR1A & 3A miniconverter switching regulator
LM2576S-5TR1A & 3A miniconverter switching regulator
LM2576S1A & 3A Miniconverter Switching Regulators
LM2576STR1A & 3A miniconverter switching regulator
LM2576T-121A & 3A miniconverter switching regulator
LM2576T-12-H1A & 3A miniconverter switching regulator
LM2576T-12-V1A & 3A miniconverter switching regulator
LM2576T1A & 3A miniconverter switching regulator
LM2576T-3.31A & 3A miniconverter switching regulator
LM2576T-3.3-H1A & 3A miniconverter switching regulator
LM2576T-3.3-V1A & 3A miniconverter switching regulator
LM2576T-51A & 3A miniconverter switching regulator
LM2576T-5-H1A & 3A miniconverter switching regulator
LM2576T-5-V1A & 3A miniconverter switching regulator
ZMM5257SILICON PLANAR POWER ZENER DIODES

SENTE
PartDescription
003-0257-900 General purpose 2-way and 3-way soleniod valves

SGSAT
PartDescription
HCC40257BDQuad 2-Input CMOS Multiplexer
HCC40257BFQuad 2-Input CMOS Multiplexer
HCF40257BEQuad 2-Input CMOS Multiplexer
HCF40257BFQuad 2-Input CMOS Multiplexer
HCF40257BMQuad 2-Input CMOS Multiplexer
M54HC257F1Quad 2-Input HC-CMOS Multiplexer
M74HC257B1Quad 2-Input HC-CMOS Multiplexer
M74HC257C1Quad 2-Input HC-CMOS Multiplexer
M74HC257F1Quad 2-Input HC-CMOS Multiplexer
T54LS257D2Quad 2-Input LS-TTL Multiplexer
T74LS257B1Quad 2-Input LS-TTL Multiplexer
T74LS257D1Quad 2-Input LS-TTL Multiplexer

Sharp
PartDescription
LH21257-10General Purpose Dynamic RAM
LH21257-12General Purpose Dynamic RAM
LH21257-15General Purpose Dynamic RAM
LH21257Z10General Purpose Dynamic RAM
LH21257Z12General Purpose Dynamic RAM
LH21257Z15General Purpose Dynamic RAM

SHRLT
PartDescription
CMD25711LED Display
CMD25712LED Display
CMD25713LED Display
CMD25714LED Display
CMD25715LED Display
CMD25721LED Display
CMD25722LED Display
CMD25723LED Display
CMD25724LED Display
CMD25725LED Display

SIGE
PartDescription
SE2571U2.4 GHz High Efficiency Wireless LAN/BT Front End Preliminary
SE2571U-R 2.4 GHz High Efficiency Wireless LAN/BT Front End Preliminary
SE2576L 2.4 GHz High Power Wireless LAN Power Amplifier Preliminary
SE2576L-EK12.4 GHz High Power Wireless LAN Power Amplifier Preliminary
SE2579U2.4 GHz High Efficiency Wireless LAN/BT Front End
SE2579U-EK1 2.4 GHz High Efficiency Wireless LAN/BT Front End
SE2579U-R 2.4 GHz High Efficiency Wireless LAN/BT Front End

SILAN
PartDescription
SC92570.3-6.0V PLL for digital tuning systems (DTS)
SC92570.3-6.0V PLL for digital tuning systems (DTS)

SILTR
PartDescription
2N625750V Vcbo, 20A Ic Low frequency power silicon NPN transistor

SINC
PartDescription
1N525733V, 500mWt General purpose voltage reference/regulator diode
BF257160V Vcbo, 100mA Ic Low frequency power silicon NPN transistor

SINO
PartDescription
SA2572.5A Iout, 1.0kV Vrrm General Purpose Silicon Rectifier
SA257G2.5A Iout, 1.0kV Vrrm General Purpose Silicon Rectifier
SFR2572.5A Iout, 1.0kV Vrrm Fast Recovery Rectifier
SFR257G2.5A Iout, 1.0kV Vrrm Fast Recovery Rectifier

SLS
PartDescription
HC257Quad 2-Input Data Selector/Multiplexer with 3-State Outputs
SL74HC257Quad 2-Input Data Selector/Multiplexer with 3-State Outputs
SL74HC257DQuad 2-input data selector/multiplexer with 3-state outputs. High-performance silicon-gate CMOS.
SL74HC257NQuad 2-input data selector/multiplexer with 3-state outputs. High-performance silicon-gate CMOS.

Semicon Components Inc.
PartDescription
1N1257300mA Iout, 600V Vrrm General Purpose Silicon Rectifier

Siemens
PartDescription
B25667-A6257-A375 Compact design Enhanced inrush current withstand capability
BC257ATransistors, Bipolar, Si PNP Low-Power
BC257BTransistors, Bipolar, Si PNP Low-Power
HYB41257P12General Purpose Dynamic RAM
HYB41257P15General Purpose Dynamic RAM
HYB41257P20General Purpose Dynamic RAM
Q62702-B257Silicon Tuning Varactors (Hyperabrupt junction tuning diode Frequency linear tuning range 4 ?? 12 V)
Q62702-C2257NPN Silicon Digital Transistor (Switching circuit, inverter, interface circuit, driver circuit)
Q62702-P3257Unmounted Laser Bars 20 W cw ... 100 W qcw
Q67000-A9257Low-Drop Voltage Regulator
SAB82257-6NDMA Controller
SAB82257NDMA Controller
SAB82C257-1-N Advanced DMA Controller for 16-Bit Microcomputer Sytems (ADMA)
SAB82C257Advanced DMA Controller for 16-Bit Microcomputer Sytems (ADMA)
SDA5257-2ICs for Consumer Electronics
SDA5257M-2ICs for Consumer Electronics
SDA9257-0.3 to 6V; 1W; clock sync generator. For memory based image improvement with analog color decoder/ with digital multi-standard decoder, free running sync generator, digital frequency synthesizer

SMOS
PartDescription
STC2570C0ATelephone Circuit
STC2570C0BTelephone Circuit
STC2571C0ATelephone Circuit
STC2571C0BTelephone Circuit

Samsung Electronic
PartDescription
KA9257Dual power operational amplifier
KA9257SDual power operational amplifier
KM23257J15Read Only Memory
KM23257J20Read Only Memory
KM23257J25Read Only Memory
KM23257JHR27Read Only Memory
KM23257JI15Read Only Memory
KM23257JI20Read Only Memory
KM23257JI25Read Only Memory
KM23257P15Read Only Memory
KM23257P20Read Only Memory
KM23257P25Read Only Memory
KM23257PHR27Read Only Memory
KM23257PI15Read Only Memory
KM23257PI20Read Only Memory
KM23257PI25Read Only Memory
KM23257SJ15Read Only Memory
KM23257SJ20Read Only Memory
KM23257SJ25Read Only Memory
KM23257SJHR27Read Only Memory
KM23257SJI15Read Only Memory
KM23257SJI20Read Only Memory
KM23257SJI25Read Only Memory
KM23257SP15Read Only Memory
KM23257SP20Read Only Memory
KM23257SP25Read Only Memory
KM23257SPHR27Read Only Memory
KM23257SPI15Read Only Memory
KM23257SPI20Read Only Memory
KM23257SPI25Read Only Memory
KM41257A256K X 1 Bit Dynamic RAM with Page / Nibble Mode
KM41257AJ10General Purpose Dynamic RAM
KM41257AJ-10256K X 1 Bit Dynamic RAM with Page / Nibble Mode
KM41257AJ12General Purpose Dynamic RAM
KM41257AJ15General Purpose Dynamic RAM
KM41257AJ-15256K X 1 Bit Dynamic RAM with Page / Nibble Mode
KM41257AP10General Purpose Dynamic RAM
KM41257AP-10 256K X 1 Bit Dynamic RAM with Page / Nibble Mode
KM41257AP12General Purpose Dynamic RAM
KM41257AP-12 256K X 1 Bit Dynamic RAM with Page / Nibble Mode
KM41257AP15General Purpose Dynamic RAM
KM41257AZ10General Purpose Dynamic RAM
KM41257AZ12General Purpose Dynamic RAM
KM41257AZ-12 256K X 1 Bit Dynamic RAM with Page / Nibble Mode
KM41257AZ15General Purpose Dynamic RAM
KM41257AZ-15 256K X 1 Bit Dynamic RAM with Page / Nibble Mode
KM41C257J10General Purpose Dynamic RAM
KM41C257J7General Purpose Dynamic RAM
KM41C257J8General Purpose Dynamic RAM
KM41C257P10General Purpose Dynamic RAM
KM41C257P7General Purpose Dynamic RAM
KM41C257P8General Purpose Dynamic RAM
KM41C257Z10General Purpose Dynamic RAM
KM41C257Z7General Purpose Dynamic RAM
KM41C257Z8General Purpose Dynamic RAM
KM424C257J10Video Dynamic RAM
KM424C257J12Video Dynamic RAM
KM424C257J6Video Dynamic RAM
KM424C257J7Video Dynamic RAM
KM424C257J8Video Dynamic RAM
KM424C257T10Video Dynamic RAM
KM424C257T6Video Dynamic RAM
KM424C257T8Video Dynamic RAM
KM424C257Z10Video Dynamic RAM
KM424C257Z12Video Dynamic RAM
KM424C257Z6Video Dynamic RAM
KM424C257Z7Video Dynamic RAM
KM424C257Z8Video Dynamic RAM
KM428C257J6Video Dynamic RAM
KM428C257J7Video Dynamic RAM
KM428C257J8Video Dynamic RAM
KM428C257T6Video Dynamic RAM
KM428C257T7Video Dynamic RAM
KM428C257T8Video Dynamic RAM
KM428C257TR6Video Dynamic RAM
KM428C257TR7Video Dynamic RAM
KM428C257TR8Video Dynamic RAM
KM61257AJ25General Purpose Static RAM
KM61257AJ35General Purpose Static RAM
KM61257AJ45General Purpose Static RAM
KM61257ALJ25General Purpose Static RAM
KM61257ALJ35General Purpose Static RAM
KM61257ALJ45General Purpose Static RAM
KM61257ALP25General Purpose Static RAM
KM61257ALP35General Purpose Static RAM
KM61257ALP45General Purpose Static RAM
KM61257AP25General Purpose Static RAM
KM61257AP35General Purpose Static RAM
KM61257AP45General Purpose Static RAM
KM61257J25General Purpose Static RAM
KM61257J35General Purpose Static RAM
KM61257J45General Purpose Static RAM
KM61257LJ25General Purpose Static RAM
KM61257LJ35General Purpose Static RAM
KM61257LJ45General Purpose Static RAM
KM61257LP25General Purpose Static RAM
KM61257LP35General Purpose Static RAM
KM61257LP45General Purpose Static RAM
KM61257P25General Purpose Static RAM
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