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

AI summary

BC817-40 product

BC817-40

Transistors - Bipolar (BJT) - Single

NPNBJTSOT-23General Purpose

The BC817-40 is a standard NPN BJT in a SOT-23 package, suitable for general-purpose audio frequency amplification and switching tasks.

Best for

  • General AF amplification
  • Low-power switching

Avoid if

  • High-power applications exceeding 0.3W
  • High-voltage circuits above 45V

Check before use

  • Thermal dissipation in compact layouts

Key specifications

VCEO
45 V
IC
500 mA
hFE Range
250-630

Compliance & Environment

RoHS
Lead-free
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General AF

Datasheet

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

800 KB

Datasheet AI

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
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Where to Buy

Real-time and catalog pricing from verified distributors

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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) manufactured by YFW, commonly used in audio frequency (AF) applications.