BC857B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BC857B product

BC857B

Transistors - Bipolar (BJT) - Single

PNPBJTSOT-23Transistor

The BC857B is a standard PNP Bipolar Junction Transistor (BJT) in an SOT-23 package, widely used for general-purpose switching and audio frequency amplification.

Best for

  • General purpose switching
  • Audio frequency amplification

Avoid if

  • High-power or high-current applications exceeding 100mA

Check before use

  • Pinout configuration (Base, Emitter, Collector)

Key specifications

Transistor Type
PNP
VCEO
-45 V
IC
-100 mA

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer ElectronicsGeneral Purpose

CAD Models

Download ECAD models for BC857B: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The BC857B is a PNP Bipolar Junction Transistor (BJT) manufactured by Slkor, optimized for low-power switching and audio frequency amplification in surface-mount applications.