RS120-025

Ptc Resettable Fuses Overview

The OptiFuse RS120-025 is a radial leaded resettable polymeric PTC fuse designed for overcurrent protection in consumer and industrial products operating at higher AC voltages. It features a holding current of 250 mA and a maximum voltage rating of 120 V, with an interrupting capacity of 20 A. The component utilizes through-hole mounting technology and is constructed from polymer materials to provide reliable circuit protection against excessive current conditions.

Ptc Resettable Fuses Feature Summary

• Provides resettable overcurrent protection for electronic circuits
• Designed for operation at higher AC voltage levels
• Utilizes radial lead configuration for through-hole mounting

Ptc Resettable Fuses Applications

• Consumer electronics equipment
• Industrial product circuit protection
• Higher AC voltage system safeguarding

Ptc Resettable Fuses Procurement Notes

Verify the specific part number suffix to ensure correct current rating alignment with design requirements. Confirm that the radial lead package matches the target PCB layout specifications. Ensure the voltage rating meets or exceeds the maximum circuit potential. Validate that the interrupting capacity is sufficient for the application's fault current levels before finalizing procurement decisions.

Ptc Resettable Fuses Selection Notes

Select this component when a resettable protection mechanism is required for AC circuits exceeding standard low-voltage thresholds. Consider the 250 mA holding current limit to ensure normal operation without nuisance tripping. Evaluate the physical dimensions of the radial leads against available board space. Assess the thermal environment to guarantee proper heat dissipation during both normal and trip states.

Ptc Resettable Fuses Part Context

This device belongs to the RS120 series of radial leaded resettable PTC fuses. The series is engineered specifically for applications requiring robust overcurrent protection in environments with elevated AC voltage levels. The RS120-025 variant represents a specific current rating within this broader family of polymer-based protective components.

Ptc Resettable Fuses Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative manufacturers. Ensure any replacement maintains equivalent voltage and current ratings for safe operation.