0ZRN0750FF1A

Ptc Resettable Fuses Overview

The Bel Fuse 0ZRN0750FF1A is a radial leaded PPTC resettable fuse from the 0ZRN series, designed for circuit protection. It features a 750 mA hold current and a 1.5 A trip current, operating at a maximum voltage of 30 VDC. The device exhibits an initial resistance of 800 Ohms and can withstand a maximum fault current of 40 A. It functions within a temperature range of -40°C to +125°C. Physical dimensions include a length of 10.8 mm, width of 6.9 mm, and height of 3 mm, with a lead spacing of 2.54 mm.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit interruption and manual reset capability upon cooling following overcurrent events.
• Utilizes polymer positive temperature coefficient technology for reliable solid-state protection.
• Features radial leads suitable for through-hole printed circuit board mounting.

Ptc Resettable Fuses Applications

• Protection of portable electronic devices and battery packs
• Overcurrent safeguarding in consumer audio and video equipment
• Circuit protection for peripheral interfaces and communication ports

Ptc Resettable Fuses Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number with official Bel Fuse documentation. Confirm that the specific suffix matches the required packaging format, as variations exist between bulk and reel configurations. Ensure compliance with RoHS directives and validate thermal performance against application requirements before finalizing procurement specifications.

Ptc Resettable Fuses Selection Notes

Select this component when low holding current and high initial resistance are required for sensitive circuit protection. The 30 VDC rating limits suitability to low-voltage DC applications. Consider the slow-blow characteristic for circuits with brief inrush currents. Evaluate the physical footprint constraints against the specified dimensions to ensure compatibility with the target PCB layout.

Ptc Resettable Fuses Part Context

This component belongs to the 0ZRN series of radial leaded PTC resettable fuses manufactured by Bel Fuse. The series is characterized by compact axial or radial packages designed for space-constrained electronics. It serves as a reusable alternative to traditional one-time fuses, offering protection against overcurrent conditions in various commercial and industrial electronic assemblies.

Ptc Resettable Fuses Replacement Considerations

Direct substitutes within the same series include 0ZRN0070FF1A (700 mA) and 0ZRN0100FF1A (1.0 A). For higher current requirements, consider 0ZRN0150FF1A (1.5 A). Verify that replacement parts maintain identical voltage ratings and package dimensions to ensure mechanical and electrical compatibility.