30R500UFL37

Ptc Resettable Fuses Overview

The Littelfuse Inc. model 30R500UFL37 is a PolySwitch resettable PTC device designed for overcurrent protection in electronic circuits. This component utilizes through-hole mounting with radial leads and features a lead-free construction compliant with environmental standards. It operates within a temperature range of -40°C to 85°C and is housed in a rectangular package. The device functions as a temperature-dependent resistor, providing reliable circuit safeguarding against fault conditions while maintaining low resistance during normal operation.

Ptc Resettable Fuses Feature Summary

• Provides reliable overcurrent protection by increasing resistance when heated during fault conditions
• Features radial leaded construction for secure through-hole PCB mounting
• Constructed with lead-free materials ensuring compliance with environmental regulations

Ptc Resettable Fuses Applications

• Protection of automotive actuators and small motors
• Safeguarding telecommunication and networking equipment
• Overcurrent protection for power supply circuits and wiring harnesses

Ptc Resettable Fuses Procurement Notes

Verify the specific part number suffix against official Littelfuse documentation to confirm exact electrical ratings and packaging configuration. Ensure compatibility with assembly processes by checking RoHS and halogen-free status requirements. Cross-reference thermal characteristics with system operating temperatures to validate performance under expected load conditions before finalizing procurement orders.

Ptc Resettable Fuses Selection Notes

Select this component based on its radial leaded form factor suitable for through-hole applications requiring robust mechanical attachment. Consider the operating temperature range and resettable nature for environments where manual fuse replacement is impractical. Evaluate the low initial resistance characteristic to minimize voltage drop impact on sensitive downstream components during normal circuit operation.

Ptc Resettable Fuses Part Context

This part belongs to the PolySwitch resettable PPTC family from Littelfuse, which offers solid-state protection solutions. These devices serve as alternatives to traditional fuses by automatically resetting after cooling down post-fault. The series supports various industries including automotive, telecom, and industrial power supplies, emphasizing durability and repeated fault tolerance without permanent circuit interruption.

Ptc Resettable Fuses Replacement Considerations

Consult official Littelfuse substitution guides for verified equivalent part numbers. Ensure any substitute matches the original radial leaded package and through-hole mounting requirements. Verify that alternative options maintain identical or superior thermal and electrical performance specifications for the intended application environment.