0ZRE0025FF2B

Ptc Resettable Fuses Overview

The Bel Fuse 0ZRE0025FF2B is a radial PPTC resettable fuse rated for 240 VAC and 240 VDC. It features a hold current of 250 mA and a trip current of 560 mA. The device exhibits a low initial resistance of 3.8 mOhms, ensuring minimal voltage drop during normal operation. Designed for slow-blow protection, it withstands temperatures from -40°C to +85°C. Packaged in tape and reel format with a factory quantity of 1500 units, this component provides reliable overcurrent safeguarding for electronic circuits requiring high-voltage tolerance.

Ptc Resettable Fuses Feature Summary

• Polymer positive temperature coefficient construction enables automatic circuit recovery after fault clearance
• Radial leaded through-hole mounting facilitates integration into standard printed circuit board layouts
• High voltage rating supports protection applications across both AC and DC power systems

Ptc Resettable Fuses Applications

• Overcurrent protection for consumer electronics power inputs
• Industrial control system circuit safeguarding
• Telecommunications equipment line protection
• Computer peripheral interface circuitry

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix FF2B corresponds to the required tape and reel packaging configuration rather than bulk alternatives. Confirm that the 250 mA hold current aligns with the target circuit's continuous operating requirements. Ensure the 240 V maximum voltage rating exceeds the peak system voltage. Check RoHS compliance documentation if environmental regulations apply to the final assembly. Validate that the slow-blow characteristic matches the expected inrush current profile of the protected load.

Ptc Resettable Fuses Selection Notes

Select this component when the application demands high-voltage isolation capabilities combined with resettable protection functionality. The 250 mA rating suits moderate current loads where precise trip characteristics are necessary. Consider the radial package dimensions for adequate spacing on the PCB layout. Evaluate the thermal environment to ensure operation remains within the specified -40°C to +85°C range. Compare against lower voltage series if system constraints allow for reduced insulation requirements.

Ptc Resettable Fuses Part Context

This part belongs to the 0ZRE series of polymer resettable fuses designed by Bel Fuse. The series focuses on high-voltage applications, distinguishing itself from lower-voltage counterparts like the 0ZRB or 0ZRF lines. These devices utilize conductive polymer technology to provide durable, multi-use protection. The radial form factor ensures compatibility with automated insertion processes and manual assembly workflows commonly found in manufacturing environments.

Ptc Resettable Fuses Replacement Considerations

Direct substitutes include other Bel Fuse 0ZRE series parts with matching electrical ratings. Verify that alternative packages maintain similar thermal dissipation characteristics. Cross-reference datasheets to confirm identical trip time curves and voltage ratings. Ensure any replacement maintains the same axial or radial lead configuration for mechanical fit.