ProjectsPricingInsights

BD441 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BD441 product

BD441

Transistors - Bipolar (BJT) - Single

NPNPower TransistorTO-126

The BD441 is an NPN power transistor suitable for medium-power switching and amplification applications.

Best for

  • Audio power amplifiers
  • Voltage regulators

Avoid if

  • High-frequency applications requiring >3MHz

Check before use

  • Verify current lifecycle status and availability

Key specifications

VCEO
80 V
IC
4 A
PC
25 W

Compliance & Environment

RoHS
RoHS non-compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.29.0095

Application

Power Management

Datasheet

Fairchild-Semiconductor-company-11.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for BD441: 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

Login required · CAD models billed separately as an add-on

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

The BD441 is an NPN bipolar junction transistor (BJT) in a TO-126 package, designed for power applications.