RUSBF110-AP

Ptc Resettable Fuses Overview

The RUSBF110-AP is a polymeric PTC resettable fuse from the Littelfuse PolySwitch series. It features a hold current of 1.1 A and a maximum voltage rating of 16 V. The device has a trip current of 2.2 A and a maximum fault current capacity of 40 A. It utilizes a radial, disc package with through-hole mounting. The component operates within a temperature range of -40°C to 85°C.

Ptc Resettable Fuses Feature Summary

• Provides overcurrent protection via polymeric positive temperature coefficient technology
• Offers resettable functionality for circuit maintenance
• Compatible with high-volume electronics assembly processes

Ptc Resettable Fuses Applications

• Overcurrent protection in consumer electronics
• Circuit safeguarding in industrial control systems
• Protection for portable device power inputs

Ptc Resettable Fuses Procurement Notes

Verify part authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific suffix corresponds to the required packaging format. Check for obsolescence status as this model may be discontinued. Ensure compliance with relevant safety standards for the target application region before procurement.

Ptc Resettable Fuses Selection Notes

Select based on hold current requirements relative to normal operating load. Verify voltage ratings exceed peak circuit voltages. Consider thermal derating factors for ambient temperatures above standard limits. Evaluate physical dimensions for PCB layout constraints. Compare against newer generation parts if availability is limited.

Ptc Resettable Fuses Part Context

This component belongs to the Littelfuse PolySwitch RUSBF series, designed for radial leaded applications. It serves as a resettable alternative to traditional single-use fuses. The series supports various form factors and termination methods suitable for automated assembly lines.

Ptc Resettable Fuses Replacement Considerations

The RUSBF110-2 is listed as an equivalent or substitute part. Verify electrical parameters match exactly before substitution. Check for any differences in packaging or marking codes.