SMD1812B020TF

Ptc Resettable Fuses Overview

The YAGEO SMD1812B020TF is a surface-mount polymer PTC resettable fuse designed for circuit protection. It features a holding current of 200 mA and a trip current of 400 mA, operating within a maximum voltage rating of 30 VDC. The device has an initial resistance minimum of 800 mOhms and a maximum post-trip resistance of 5 Ohms. It supports a maximum fault current of 100 A with a power dissipation of 800 mW. The component operates between -40°C and +85°C, housed in a standard 1812 (4532 metric) package.

Ptc Resettable Fuses Feature Summary

• Polymeric positive temperature coefficient thermistor construction for self-resetting overcurrent protection
• Surface mount design compatible with automated PCB assembly processes
• Certified by UL, TUV, and cUL standards for global compliance

Ptc Resettable Fuses Applications

• Portable electronic devices requiring compact circuit protection
• Consumer electronics circuits needing overcurrent safeguarding
• Communication equipment interfaces

Ptc Resettable Fuses Procurement Notes

Verify the specific ordering suffix to confirm packaging configuration, as variations exist between cut tape, reel, and specialized formats like MouseReel. Confirm RoHS compliance status through official documentation prior to integration. Ensure the selected variant matches the required thermal and electrical ratings for the target application environment.

Ptc Resettable Fuses Selection Notes

Select this component when a low-profile surface-mount solution is required for low-voltage DC circuits. The 1812 footprint offers a balance between current handling capacity and board space efficiency. Consider the 800 mW power dissipation limit and the 30 VDC maximum voltage rating to ensure safe operation under normal and fault conditions without exceeding thermal constraints.

Ptc Resettable Fuses Part Context

This part belongs to the YAGEO SMD series of resettable fuses, which are polymeric positive temperature coefficient devices. These components provide reusable overcurrent protection by increasing resistance significantly upon overheating caused by excessive current flow. The series is engineered for surface-mount technology applications where traditional fuses are impractical due to size or replacement requirements.

Ptc Resettable Fuses Replacement Considerations

• YAG6737TR-ND
• YAG6737CT
• YAG6737DKR-ND

Ptc Resettable Fuses FAQ

What is the trip time specification for this fuse?

The trip time is specified as 20 ms.

Does this component support reflow soldering?

Yes, it is designed for surface mount technology and supports standard PCB assembly processes including reflow soldering.