ProjectsPricingInsights

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

AI summary

BC817-40 product

BC817-40

Discrete Semiconductor Products

NPNBJTSOT-23General Purpose

The BC817-40 is a standard NPN bipolar junction transistor (BJT) in a SOT-23 package, widely used for general-purpose switching and amplification tasks.

Best for

  • General purpose switching
  • Low-power amplification

Avoid if

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

Check before use

  • Thermal management
  • Gain requirements

Key specifications

Type
NPN
VCEO
45 V
IC
500 mA
hFE
250-600

Compliance & Environment

RoHS
Compliant
REACH
Compliant
MSL
-
ECCN
-
HTSUS
-

Application

General Purpose

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
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

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 silicon epitaxial planar transistor designed for general-purpose applications, featuring a 45V collector-emitter breakdown voltage and a 500mA collector current capacity.