ProjectsPricingInsights

0443003.DR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

0443003.DR product

0443003.DR

Fuses

Surface MountSlo-Blo3A250V

The 0443003.DR is a 3A, 250V NANO2 Slo-Blo surface mount fuse from Littelfuse, optimized for lead-free reflow soldering processes.

Best for

  • AC/DC power supplies
  • Lighting systems

Avoid if

  • Applications requiring fast-acting protection

Check before use

  • Thermal management requirements

Key specifications

Rated Current
3 A
Rated Voltage
250 VAC
Fuse Type
Slo-Blo

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level 1
ECCN
-
HTSUS
-

Application

Power SuppliesLighting

Datasheet

0443003.DR-Littelfuse-datasheet-138082423.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 0443003.DR: 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

It is a 3A, 250V surface mount fuse from the Littelfuse 443 Series, featuring a time-lag (Slo-Blo) characteristic.