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BC857B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BC857B product

BC857B

Transistors - Bipolar (BJT) - Single

PNPBJTSOT-23General Purpose

The BC857B is a standard PNP BJT in an SOT-23 package, suitable for general-purpose amplification and switching tasks.

Best for

  • General purpose signal amplification
  • Low-power switching

Avoid if

  • High-voltage applications exceeding -45V
  • High-current switching above 100mA

Check before use

  • Thermal management in small SOT-23 footprints

Key specifications

VCEO
-45 V
IC
-100 mA
hFE
200 - 450

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Purpose

Datasheet

db99dcf44e727f0109b9b74342fca4b6_2405161609_ALJ-BC857B_C22400348.pdf

800 KB

Datasheet AI

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

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

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 epitaxial planar transistor designed for general-purpose switching and amplification, packaged in a surface-mount SOT-23 format.