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BC817-40 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BC817-40 product

BC817-40

Transistors - Bipolar (BJT) - Single

NPNBJTAmplifierSOT-23

The BC817-40 is a standard NPN general-purpose amplifier transistor in a SOT-23 package, suitable for audio frequency applications requiring up to 500mA collector current.

Best for

  • Audio frequency amplification
  • General switching

Avoid if

  • High-power applications exceeding 300mW dissipation

Check before use

  • Thermal dissipation in compact SOT-23 layouts

Key specifications

VCEO
45 V
IC
500 mA
hFE
250-600

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General AF application

CAD Models

Download ECAD models for BC817-40: 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 BC817-40 is an NPN bipolar junction transistor (BJT) designed for general-purpose amplification, particularly in audio frequency (AF) circuits.