250R120U - Littelfuse Inc.

Manufacturer Part Number

250R120U

Manufacturer

Littelfuse

Introduction

The 250R120U is a polymeric PTC resettable fuse from Littelfuse's POLY-FUSE® series. It provides reliable circuit protection by automatically resetting after the fault condition is cleared, offering protection against overcurrent and short circuit events.

Product Features and Performance

Voltage rating up to 60V (250V internal)

Hold current of 120mA, trip current of 240mA, and max current of 3A

Time to trip of 2.5 seconds

Initial resistance of 4 ohms, post-trip resistance of 16 ohms

Operating temperature range of -40°C to 85°C

Product Advantages

Resettable protection, eliminating the need for manual replacement

Compact and space-saving design

Reliable performance in a wide temperature range

Certified by cURus and TUV for quality and safety

Key Reasons to Choose This Product

Robust circuit protection against overcurrent and short circuits

Automatic reset function for convenient and cost-effective use

Proven reliability and performance in various applications

Compliance with safety standards for peace of mind

Quality and Safety Features

cURus and TUV certifications for quality and safety assurance

Designed and manufactured to high-quality standards

Compatibility

This PTC resettable fuse is suitable for a wide range of applications that require overcurrent and short circuit protection, including consumer electronics, industrial equipment, and various other electronic devices.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications

Automotive electronics

Power supplies

Medical devices

Product Lifecycle

The 250R120U is an active product in the Littelfuse portfolio. At this time, there are no equivalent or alternative models available from Littelfuse. If you have any further questions or require additional information, please contact our website's sales team.