BC857B-7-FAlternatives & Equivalent Parts

About BC857B-7-F

BC857B-7-F is a Transistor BJT PNP component manufactured by Diodes Inc.. It comes in a SOT23 (3-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterBC857B-7-FSourceBC846BDW1T1GBYM10-100-E3/96LMC6484IM/NOPBMC74HC1G08DTT1G
ManufacturerDiodes Inc.ON SemiconductorVishayTexas InstrumentsON Semiconductor
Package TypeSOT23 (3-Pin)SOT23 (6-Pin)OtherSmall Outline PackagesSOT23 (5-Pin)
Pin Count362145
Temperature Range~ 150.0°C-55.0°C ~ 150.0°C-65.0°C ~ 175.0°C-40.0°C ~ 85.0°C-55.0°C ~ 125.0°C
Price$0.0263$0.0187$0.0752$0.8321$0.0880
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEOBSOLETE
Electrical Parameters
Pbfree CodeYesYesYes
Factory Lead Time12 Weeks8 Weeks2 Days
YTEOL776.0200
Collector Current-Max (IC)0.1 A0.1 A
Collector-Emitter Voltage-Max45 V65 V
ConfigurationSINGLESEPARATE, 2 ELEMENTSSINGLE
DC Current Gain-Min (hFE)220200
JESD-30 CodeR-PDSO-G3R-PDSO-G6O-LELF-R2R-PDSO-G14R-PDSO-G5
JESD-609 Codee3e3e3e3
Number of Elements121
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYGLASSPLASTIC/EPOXYPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULARROUNDRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINELONG FORMSMALL OUTLINESMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)260260260260
Polarity/Channel TypePNPNPN
Power Dissipation-Max (Abs)0.3 W0.38 W
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Surface MountYESYESYESYESYES
Terminal FinishMATTE TINMatte Tin (Sn) - annealedMatte Tin (Sn)Matte Tin (Sn)
Terminal FormGULL WINGGULL WINGWRAP AROUNDGULL WINGGULL WING
Terminal PositionDUALDUALENDDUALDUAL
Time@Peak Reflow Temperature-Max (s)30303030
Transistor ApplicationSWITCHINGAMPLIFIER
Transistor Element MaterialSILICONSILICON
Transition Frequency-Nom (fT)200 MHz100 MHz
Manufacturer Package Code419B-02483
Additional FeatureFREE WHEELING DIODE, HIGH RELIABILITY, LOW LEAKAGE CURRENT
ApplicationGENERAL PURPOSE
Case ConnectionISOLATED
Diode Element MaterialSILICON
Diode TypeRECTIFIER DIODE
Forward Voltage-Max (VF)1.1 V
JEDEC-95 CodeDO-213AB
Non-rep Pk Forward Current-Max30 A
Number of Phases1
Output Current-Max1 A
Rep Pk Reverse Voltage-Max100 V
Reverse Current-Max10 µA
Reverse Test Voltage100 V
Amplifier TypeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)0.000004 µA
Bias Current-Max (IIB) @25C0.000004 µA
Common-mode Reject Ratio-Min70 dB
Common-mode Reject Ratio-Nom82 dB
Frequency CompensationYES
Input Offset Current-Max (IIO)0.000002 µA
Input Offset Voltage-Max750 µV
Low-BiasYES
Low-OffsetNO
MicropowerNO
Number of Functions41
Package Equivalence CodeSOP14,.25TSOP5/6,.11,37
Packing MethodTUBETR
PowerNO
Programmable PowerNO
Slew Rate-Min0.63 V/us
Slew Rate-Nom1.3 V/us
SubcategoryOperational Amplifier
Supply Current-Max2.5 mA
Supply Voltage Limit-Max16 V
Supply Voltage-Nom (Vsup)3 V5 V
TechnologyCMOSCMOS
Temperature GradeINDUSTRIAL
Terminal Pitch1.27 mm0.95 mm
Unity Gain BW-Nom1500
Voltage Gain-Min10000
WidebandNO
## LMC6484IM/NOPB Alternates Showing resultsImage
FamilyHC/UH
Load Capacitance (CL)50 pF
Logic IC TypeAND GATE
Max I(ol)0.0026 A
Number of Inputs2
Power Supply Current-Max (ICC)0.04 mA
Prop. Delay@Nom-Sup35 ns
Propagation Delay (tpd)155 ns
Schmitt TriggerNO
Supply Voltage-Max (Vsup)6 V
Supply Voltage-Min (Vsup)2 V

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Get one quote covering all 4 alternatives for BC857B-7-F — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for BC857B-7-F is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating BC857B-7-F replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to BC857B-7-F?

Known equivalents for BC857B-7-F include BC846BDW1T1G, BYM10-100-E3/96, LMC6484IM/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of BC857B-7-F?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify BC857B-7-F alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.