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

AI summary

BC817-40 product

BC817-40

Transistors - Bipolar (BJT) - Single

NPNBJTSOT-23Transistor

The BC817-40 is a standard NPN BJT in an SOT-23 package, optimized for general-purpose switching and amplification with a gain range of 250-600.

Best for

  • General purpose switching
  • Low-power amplification

Avoid if

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

Check before use

  • Thermal dissipation requirements
  • Gain matching for sensitive circuits

Key specifications

VCEO
45 V
IC
0.5 A
hFE
250 - 600

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Purpose

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

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

It is an NPN epitaxial planar transistor designed for general-purpose electronic applications, packaged in a surface-mount SOT-23 format.