ProjectsPricingInsights

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

AI summary

BC817-40-QR product

BC817-40-QR

Bipolar (BJT)

NPNTransistorAEC-Q101SOT23

The BC817-40-QR is a reliable, AEC-Q101 qualified NPN transistor suitable for general-purpose switching and amplification in automotive and industrial designs.

Best for

  • Automotive switching
  • General amplification
  • Small signal control

Avoid if

  • Applications requiring >500mA continuous current
  • High-power dissipation environments without adequate cooling

Check before use

  • Thermal derating
  • PCB layout for heat dissipation

Key specifications

VCEO
45 V
IC
500 mA
hFE
250 - 600

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.21.0075

Application

AutomotiveGeneral Switching

CAD Models

Download ECAD models for BC817-40-QR: 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

It is an NPN general-purpose transistor in a SOT23 package, rated for 45V and 500mA, qualified for automotive use.