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, widely used for general-purpose switching and amplification.

Best for

  • General purpose switching
  • Low-power amplification

Avoid if

  • High-power applications exceeding 300mW
  • High-frequency RF circuits

Check before use

  • Thermal dissipation
  • hFE gain range

Key specifications

VCEO
45 V
IC
500 mA
hFE
250-600
Package
SOT-23

Compliance & Environment

RoHS
RoHS Compliant
REACH
REACH Unaffected
MSL
-
ECCN
EAR99
HTSUS
-

Application

General PurposeSwitching

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

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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 BC817-40 is a general-purpose NPN bipolar junction transistor (BJT) designed for surface-mount applications in a SOT-23 package.