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BC857T AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BC857T product

BC857T

Interface

PNPBJTSOT-523Switching

The BC857T is a general-purpose PNP BJT in a SOT-523 package, suitable for low-power switching and audio amplification.

Best for

  • Low-power switching
  • Audio frequency amplification

Avoid if

  • High-power applications exceeding 150mW
  • New designs requiring long-term lifecycle support

Check before use

  • Verify current availability as the part is listed as obsolete.

Key specifications

Transistor Type
PNP
VCEO (Max)
-45 V
IC (Max)
-100 mA

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.21.0075

Application

General SwitchingAudio Amplification

CAD Models

Download ECAD models for BC857T: 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

Alternative components

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

Design and risk insights

Questions & answers

The BC857T is a PNP bipolar junction transistor (BJT) designed for switching and audio frequency (AF) amplifier applications, housed in a small-outline SOT-523 package.