SMD2920P200TFA

Ptc Resettable Fuses Overview

The Littelfuse SMD2920P200TFA is a surface-mount polymeric positive temperature coefficient (PPTC) resettable fuse designed for overcurrent protection. It features a hold current of 2 A and a trip current of 4 A, operating at a maximum voltage of 15 VDC. The device has a maximum rated current of 40 A and a typical resistance of 30 mOhms. Housed in a 2920 package with dimensions of 7.98 mm length, 5.44 mm width, and 1.6 mm height, it operates within a temperature range of -40°C to +85°C.

Ptc Resettable Fuses Feature Summary

• Polymeric PTC technology provides automatic circuit recovery after fault conditions without manual replacement
• Surface mount design enables high-density PCB integration
• RoHS compliant construction supports environmentally conscious manufacturing

Ptc Resettable Fuses Applications

• Portable electronic devices requiring compact overcurrent protection
• Consumer electronics circuits needing resettable fuse solutions
• Battery-powered equipment safeguarding against short circuits

Ptc Resettable Fuses Procurement Notes

Verify component authenticity through authorized Littelfuse distributors or certified suppliers. Confirm RoHS compliance status and moisture sensitivity level handling requirements prior to assembly. Ensure storage conditions meet humidity specifications to maintain device reliability during soldering processes.

Ptc Resettable Fuses Selection Notes

Select this component when circuit protection requires a 2 A hold current and 15 VDC rating. The 2920 package size suits space-constrained designs. Verify that the 40 A max current capability meets fault condition requirements. Consider thermal derating factors for operation near the upper temperature limit.

Ptc Resettable Fuses Part Context

This part belongs to the SMD2920 series of PolySwitch resettable fuses from Littelfuse. The series offers various hold currents and voltage ratings in a standardized surface-mount footprint. These devices are engineered for applications demanding reliable, reusable overcurrent protection in compact form factors.

Ptc Resettable Fuses Replacement Considerations

The SMD2920P200TFA is listed as obsolete. Similar Littelfuse parts may serve as substitutes; verify electrical parameters and package compatibility before implementation.