SMDH1210B075TF

Ptc Resettable Fuses Overview

The YAGEO SMDH1210B075TF is a surface-mount polymer PTC resettable fuse designed for circuit protection. It belongs to the SMDH series and features a 1210 (3216 metric) package with dimensions of 3.2 mm length, 2.5 mm width, and 0.85 mm height. The component has a maximum voltage rating of 8 V and a hold current of 750 mA. It trips at a current of 1.5 A and can withstand a maximum fault current of 10 A. The initial resistance is typically 50 mOhms, rising to a maximum of 900 mOhms after tripping. It operates within a temperature range of -40°C to +85°C.

Ptc Resettable Fuses Feature Summary

• Provides overcurrent protection through automatic resetting upon cooling
• Complies with AEC-Q200 automotive qualification standards
• Features low profile surface mount construction for PCB integration

Ptc Resettable Fuses Applications

• Automotive electronics circuits requiring AEC-Q200 compliance
• Portable electronic device power line protection
• Interface circuit overcurrent safeguarding

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix 'SMDH' against official YAGEO documentation to confirm high-temperature automotive grade specifications. Ensure the 1210 package footprint matches the target PCB design. Confirm that the 8V voltage rating and 750mA hold current align with the system requirements before finalizing procurement.

Ptc Resettable Fuses Selection Notes

Select this component when an 8V maximum voltage and 750mA hold current are required for automotive or industrial applications. The 1210 package size offers a balance between current handling capacity and board space efficiency. Consider the trip current of 1.5A to ensure proper coordination with upstream protective devices in the circuit design.

Ptc Resettable Fuses Part Context

This part is a member of the YAGEO SMDH series of self-resetting fuses. It utilizes polymer positive temperature coefficient technology to provide reliable circuit protection. The series is characterized by its ability to automatically restore function after fault conditions clear, reducing maintenance needs compared to traditional fuses.

Ptc Resettable Fuses Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Cross-reference with other manufacturers' 1210 PPTC fuses only if electrical parameters match exactly.