0443.500DR - Littelfuse Inc.

Manufacturer Part Number

500DR

Manufacturer

littelfuse

Introduction

The Littelfuse NANO²® 443 Series surface mount fuses are designed to provide reliable circuit protection in a compact and low profile package. These fuses offer a slow-blow response time and high breaking capacity, making them suitable for a wide range of applications that require overcurrent and short-circuit protection.

Product Features and Performance

Current rating of 500 mA

Voltage rating of 250 V AC

Slow-blow response time

High breaking capacity of 50 A

Melting I²t of 1.61

Wide operating temperature range of -55°C to 125°C

Compact 2-SMD, square end block package

Low DC cold resistance of 0.6 Ohms

Product Advantages

Reliable circuit protection in a small and low-profile package

Slow-blow response time helps prevent nuisance tripping

High breaking capacity ensures effective protection against short-circuit events

Wide operating temperature range supports use in diverse environments

Key Reasons to Choose This Product

Proven Littelfuse quality and reliability

Optimized for space-constrained applications

Excellent overcurrent and short-circuit protection

Ease of integration with surface mount assembly

Quality and Safety Features

cULus approved for safety and compliance

Robust design and construction for reliable performance

Compatibility

These NANO²® 443 Series fuses are designed for surface mount applications and can be easily integrated into a wide range of electronic devices and systems.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications equipment

Automotive electronics

Power supplies

Medical devices

Product Lifecycle

The Littelfuse NANO²® 443 Series fuses are currently in active production and are not nearing discontinuation. There are no direct equivalent or alternative models available from Littelfuse at this time. If customers require additional information or have specific needs, they are advised to contact our website's sales team.