SMD1210P020TSA

Ptc Resettable Fuses Overview

The SMD1210P020TSA is a PolySwitch resettable polymeric positive temperature coefficient (PPTC) device manufactured by Littelfuse Inc. It belongs to the POLY-FUSE SMD1210 series and is housed in a 1210 (3225 Metric) concave surface-mount package. The component features a maximum voltage rating of 30V, a hold current (Ih) of 200 mA, a trip current (It) of 400 mA, and a maximum current capacity of 10 A. It is supplied in tape and reel packaging.

Ptc Resettable Fuses Feature Summary

• Polymeric PTC technology provides automatic reset functionality after fault clearance
• Surface mount design with concave body for PCB integration
• Overcurrent protection mechanism triggered by thermal response

Ptc Resettable Fuses Applications

• Battery pack protection
• Portable electronics circuits
• LED lighting arrays
• Networking equipment interfaces

Ptc Resettable Fuses Procurement Notes

Verify component authenticity through official Littelfuse channels or authorized distributors. Confirm part number accuracy as the SMD1210P020TSA is listed as obsolete; check for valid replacement alternatives if new production units are required. Ensure storage conditions comply with manufacturer specifications to maintain material integrity prior to soldering.

Ptc Resettable Fuses Selection Notes

Select this component based on its 200 mA hold current and 30V rating for low-voltage circuit protection. Consider the 1210 package size for board space constraints. Evaluate thermal management requirements as PPTC devices rely on ambient temperature for tripping characteristics. Verify that the application's fault current does not exceed the 10 A maximum capacity.

Ptc Resettable Fuses Part Context

This device is part of the POLY-FUSE SMD1210 series from Littelfuse Inc., designed for surface-mount overcurrent protection. It utilizes polymeric technology to provide resettable fuse functionality, replacing traditional one-time fuses in applications requiring repeated fault tolerance. The series targets compact electronic designs needing reliable circuit safeguarding.

Ptc Resettable Fuses Replacement Considerations

Public confirmed substitute part numbers include SMD1210P020TFA from Littelfuse Inc., which shares similar electrical characteristics within the same series.