72R020XU

Ptc Resettable Fuses Overview

The Littelfuse 72R020XU is a PolySwitch resettable PPTC device from the RXEF series, designed for radial leaded through-hole mounting. It provides reliable overcurrent protection for circuits, wiring harnesses, and PCB components. The component features a maximum operating voltage of 72V and a hold current of 0.20A. It is RoHS compliant, lead-free, and halogen-free, suitable for high-volume electronics assembly.

Ptc Resettable Fuses Feature Summary

• Resettable overcurrent protection mechanism
• Radial leaded form factor for PCB integration
• RoHS compliant and halogen-free construction

Ptc Resettable Fuses Applications

• Computer motherboards
• USB hubs, ports and peripherals
• Battery packs

Ptc Resettable Fuses Procurement Notes

Verify the specific part number suffix against official Littelfuse documentation to confirm exact electrical ratings and agency approvals. Ensure compatibility with the target circuit's voltage and current requirements before procurement. Confirm that the radial leaded package style matches the design specifications.

Ptc Resettable Fuses Selection Notes

Select this component for applications requiring compact, resettable overcurrent protection in low-voltage environments. The radial leaded format facilitates easy insertion into standard PCB layouts. Consider the hold current and trip time characteristics relative to the protected circuit's normal operating parameters.

Ptc Resettable Fuses Part Context

This device belongs to the Littelfuse PolySwitch RXEF series, which offers a comprehensive range of radial-leaded PPTC products. These devices are engineered for reliable overcurrent protection in various electronic assemblies, providing a solid-state alternative to traditional fuses.

Ptc Resettable Fuses Replacement Considerations

Consult official Littelfuse substitution guides for verified equivalent parts. Ensure any replacement maintains the same voltage rating, hold current, and package type to guarantee circuit compatibility.