1812L125DR - Littelfuse Inc.

Manufacturer Part Number

1812L125DR

Manufacturer

Littelfuse

Introduction

The 1812L125DR is a surface mount polymeric positive temperature coefficient (PPTC) resettable fuse from Littelfuse's POLY-FUSE® series. It is designed to provide overcurrent and overtemperature protection for electronic circuits, helping to prevent damage in the event of a fault condition.

Product Features and Performance

Polymeric construction for reliable overcurrent and overtemperature protection

Holds up to 1.25A of current and trips at 2.5A

Maximum current capacity of 100A

Fast time-to-trip of 0.4 seconds

Initial resistance of 50mOhms, increasing to a maximum of 140mOhms after tripping

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

Product Advantages

Resettable design allows the fuse to be reused after a fault condition is cleared

Compact 1812 (4532 metric) surface mount package

Reliable performance and long service life

Key Reasons to Choose This Product

Provides effective circuit protection to prevent damage and ensure safety

Compact size and surface mount design for easy integration into electronic devices

Proven reliability and performance from a trusted brand in circuit protection

Quality and Safety Features

Tested and approved to meet industry safety standards

Robust polymeric construction for reliable operation

Compatibility

This product is compatible with a wide range of electronic devices and applications that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications equipment

Automotive electronics

Product Lifecycle

The 1812L125DR is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from Littelfuse or other manufacturers. Customers are advised to contact our website's sales team for more information on current product offerings and recommendations.