SMDH1210B110TF

Ptc Resettable Fuses Overview

The YAGEO SMDH1210B110TF is a surface-mount polymeric positive temperature coefficient (PPTC) resettable fuse designed for circuit protection. It belongs to the SMDH series, which is qualified under AEC-Q200 standards for automotive applications. The device features a 1210 package size with a maximum operating voltage of 60 V and a holding current of 1.1 A. It trips at a current of 3.3 A and can withstand a maximum fault current of 40 A. The component has a typical resistance of 50 mΩ and a power dissipation rating of 1.5 W. It operates within a temperature range of -40°C to +125°C.

Ptc Resettable Fuses Feature Summary

• AEC-Q200 qualified for high reliability in automotive environments
• Self-resetting action eliminates the need for manual replacement after fault clearance
• High thermal stability suitable for demanding operating conditions

Ptc Resettable Fuses Applications

• Automotive electronics circuit protection
• Portable device battery packs
• Peripheral interface circuits

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix and tape/reel specifications against the official datasheet before ordering. Confirm that the AEC-Q200 qualification status meets your project requirements. Ensure the selected package size fits the PCB footprint constraints. Check for any recent manufacturing changes or lifecycle notices from YAGEO.

Ptc Resettable Fuses Selection Notes

Select this component when a self-resetting overcurrent protection solution is required for 1210 footprints. Ensure the circuit's normal operating current remains below the 1.1 A holding current to prevent nuisance tripping. Verify that the expected fault currents do not exceed the 40 A maximum trip current rating. Consider the ambient temperature derating curves provided in the datasheet for accurate performance prediction.

Ptc Resettable Fuses Part Context

This part is part of YAGEO's SMDH series of high-temperature PPTC resettable fuses. The series is specifically engineered for automotive and industrial applications requiring robust protection. It complements other SMDH variants with different current ratings while maintaining consistent package dimensions and qualification standards.

Ptc Resettable Fuses Replacement Considerations

Direct substitutes must match the 1210 package, 1.1 A holding current, 60 V rating, and AEC-Q200 qualification. Verify that alternative components offer equivalent trip characteristics and power dissipation capabilities.