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BC857 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BC857 product

BC857

Bipolar (BJT)

PNPTransistorSOT-23Switching

The BC857 is a standard PNP silicon epitaxial transistor in a SOT-23 package, widely used for general-purpose switching and amplification.

Best for

  • General purpose switching
  • Small signal amplification

Avoid if

  • High power applications exceeding 200mW
  • High-frequency circuits requiring >100MHz

Check before use

  • Gain group (hFE) classification
  • Thermal dissipation in dense layouts

Key specifications

Polarity
PNP
VCEO
45 V
IC
100 mA

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Purpose

Datasheet

cc4f50883a2f5b6d41db80ba7dcf05fe_1810010533_ST-Semtech-BC857_C148244.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for BC857: 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 is a PNP silicon epitaxial transistor designed for switching and amplifier applications, typically supplied in a surface-mount SOT-23 package.