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BC817-40 AI Analysis:
Specs, Applications & Alternatives

AI summary

BC817-40 product

BC817-40

Transistors - Bipolar (BJT) - Single

NPNTransistorSOT-23AF

The BC817-40 is a standard NPN general-purpose transistor in a SOT-23 package, widely used for AF amplification.

Best for

  • General AF amplification
  • Small signal switching

Avoid if

  • High-power applications exceeding 0.3W dissipation

Check before use

  • Thermal management in high-density layouts

Key specifications

VCEO
45 V
IC
500 mA
hFE
250-630

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General AF

Datasheet

3f984df5213bd8b432fca59b8a21be46_2304140030_Foshan-Blue-Rocket-Elec-BC817-40_C305475.pdf

800 KB

Datasheet AI

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

EDA Symbol
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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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Alternative components

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

Design and risk insights

Questions & answers

It is a general-purpose NPN bipolar junction transistor (BJT) designed for audio frequency (AF) applications.