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BC857-B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BC857-B product

BC857-B

Transistors - Bipolar (BJT) - Single

PNPBJTSOT-23Amplifier

The BC857-B is a standard PNP BJT transistor in a SOT-23 package, widely used for general-purpose low-power amplification.

Best for

  • General purpose signal amplification

Avoid if

  • High-power or high-voltage switching applications

Check before use

  • Polarity (PNP vs NPN) and pinout configuration

Key specifications

Polarity
PNP
VCEO
-45 V
IC
-100 mA
hFE
220-475

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Amplification

Datasheet

997ee438269d6ad45dc9c56546fffaf6_1912111437_Foshan-Blue-Rocket-Elec-BC857-B_C358495.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for BC857-B: 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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Alternative components

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

Design and risk insights

Questions & answers

The BC857-B is a PNP silicon bipolar junction transistor (BJT) housed in a SOT-23 surface-mount package, optimized for low-current, low-voltage amplification.