FRU090-30F

Ptc Resettable Fuses Overview

The FRU090-30F is a radial leaded PTC resettable fuse belonging to the FRU series, manufactured by Fuzetec Technology. It functions as a polymeric positive temperature coefficient device designed for overcurrent protection in electronic circuits. The component utilizes a polymer composite that increases resistance significantly upon heating during fault conditions, thereby limiting current flow. Once the fault is removed and the device cools, it returns to its low-resistance state, allowing for automatic circuit restoration without manual replacement.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit restoration after overcurrent events
• Utilizes polymer composite technology for rapid response to thermal changes
• Features radial leads for through-hole mounting on printed circuit boards

Ptc Resettable Fuses Applications

• Overcurrent protection for portable electronic devices
• Circuit safeguarding in consumer electronics power supplies
• Protection of communication equipment input lines

Ptc Resettable Fuses Procurement Notes

Verify the manufacturer designation carefully, as the FRU series is produced by both RFE International and Fuzetec Technology. Confirm that the specific part number corresponds to the intended manufacturer's datasheet specifications. Ensure the component meets required safety certifications for the target market before procurement.

Ptc Resettable Fuses Selection Notes

Select this component based on the required hold current and trip current ratings suitable for the specific application voltage. Consider the physical size constraints of the PCB layout due to the radial lead configuration. Evaluate the maximum fault current capability to ensure the device can safely interrupt potential surge currents without damage.

Ptc Resettable Fuses Part Context

This component is part of the broader FRU series of resettable fuses. Similar variants exist with different current ratings and voltage classifications within the same product family from both RFE International and Fuzetec Technology. These devices serve as reusable alternatives to traditional one-time fusible links in modern electronic designs.

Ptc Resettable Fuses Replacement Considerations

Direct substitutes may include other FRU series parts from Fuzetec or equivalent radial PPTC devices from RFE International. Verify electrical parameters such as holding current and tripping current match exactly. Physical dimensions and lead spacing must be compatible with existing board layouts.