PSR-28473-C-2

Ptc Resettable Fuses Overview

The PSR-28473-C-2 is a high-speed square body fuse manufactured by Littelfuse Inc. It belongs to the POWR-SPEED series, which is specifically engineered for the protection of power semiconductor devices including diodes, triacs, IGBTs, and SCRs. This component provides reliable overcurrent protection in demanding industrial applications.

Ptc Resettable Fuses Feature Summary

• Designed for high-speed circuit interruption to protect sensitive power semiconductors
• Square body construction optimized for compact mounting on printed circuit boards
• Engineered to withstand high surge currents typical in power electronics environments

Ptc Resettable Fuses Applications

• Protection of Insulated Gate Bipolar Transistors (IGBTs)
• Circuit safeguarding for Silicon Controlled Rectifiers (SCRs)
• Overcurrent protection for power diodes and triacs

Ptc Resettable Fuses Procurement Notes

Verify the specific electrical ratings and physical dimensions against the official Littelfuse datasheet before integration. Confirm that the package style matches the target PCB footprint requirements. Ensure the application voltage and current levels remain within the device's specified operational limits to guarantee proper function and safety compliance.

Ptc Resettable Fuses Selection Notes

Select this component when fast-acting protection is required for power semiconductor switches. Consider the square body form factor for space-constrained designs. Evaluate the interrupting capacity and voltage rating against the system's fault conditions. Compare with other POWR-SPEED variants if different current ratings or packaging options are needed for the specific power stage.

Ptc Resettable Fuses Part Context

This part is part of the POWR-SPEED family from Littelfuse, a line dedicated to protecting power electronic components. These fuses are distinct from general-purpose fuses due to their specialized speed characteristics and robust construction designed to handle the high energy stresses found in industrial power conversion and motor control circuits.

Ptc Resettable Fuses Replacement Considerations

Consult the official Littelfuse replacement guide for direct equivalents. Verify that any substitute maintains identical voltage ratings, current carrying capacity, and breaking capacity. Ensure the replacement part supports the same square body package dimensions for mechanical compatibility.