TRF250-120T - Littelfuse Inc.

Manufacturer Part Number

TRF250-120T

Manufacturer

Littelfuse

Introduction

The TRF250-120T is a PolySwitch® resettable fuse from Littelfuse. It offers reliable overcurrent protection for a wide range of electronic devices and applications. This resettable fuse provides a simple, cost-effective solution to protect against short circuits and overloads.

Product Features and Performance

Voltage rating of up to 60V (250V intermittent)

Current hold rating of 120mA

Current trip rating of 240mA

Maximum current rating of 3A

Time to trip of 1.2 seconds

Initial resistance of 7 ohms (minimum)

Post-trip resistance of up to 16 ohms (maximum)

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

Product Advantages

Resettable design allows for easy recovery after a fault condition

Small, compact size for space-constrained applications

Reliable protection against overcurrent events

Cost-effective solution compared to traditional fuses

Key Reasons to Choose This Product

Robust overcurrent protection for sensitive electronic components

Compact size and easy integration into various designs

Resettable functionality for convenient reset after a fault

Compliance with industry safety standards (CSA, TUV, UL)

Quality and Safety Features

Certified to meet safety standards (CSA, TUV, UL)

Reliable performance and long-term durability

Robust design to withstand harsh environmental conditions

Compatibility

The TRF250-120T is compatible with a wide range of electronic devices and applications that require overcurrent protection, such as:

Consumer electronics

Telecommunications equipment

Industrial automation and control systems

Power supplies and adapters

Medical devices

Automotive electronics

Application Areas

Overcurrent protection for sensitive electronic circuits

Short-circuit protection for power supply and distribution systems

Overload protection for motors, transformers, and other inductive loads

Safety protection for battery-powered devices and chargers

Product Lifecycle

The TRF250-120T is an active product, and there are currently no plans for discontinuation. Littelfuse offers a range of equivalent and alternative PolySwitch® resettable fuses that may also be suitable for your application. If you have any questions or need assistance, please contact our website's sales team.