0ZRR0250FF2A

Ptc Resettable Fuses Overview

The 0ZRR0250FF2A is a polymeric resettable fuse from the Bel Fuse 0ZRR series, designed for through-hole radial mounting. It features a maximum holding current of 2.5 A and a trip current of 5 A. The device supports a maximum voltage of 60 VDC with a maximum fault current rating of 40 A. Initial resistance is specified at 3 mOhms. Operating temperature ranges from -40°C to +85°C. Physical dimensions include a diameter of 7.4 mm and a height of 3.1 mm.

Ptc Resettable Fuses Feature Summary

• Utilizes polymeric positive temperature coefficient technology for automatic circuit protection
• Provides resettable functionality after fault condition removal without replacement
• Designed for through-hole radial PCB mounting applications

Ptc Resettable Fuses Applications

• Overcurrent protection in consumer electronics circuits
• Protection for portable computing devices and peripherals
• Circuit safeguarding in industrial control systems

Ptc Resettable Fuses Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number against official Bel Fuse documentation. Confirm that the received items match the specified 2.5 A holding current and 60 VDC rating. Ensure packaging integrity remains intact to prevent damage to the polymeric element during storage and handling prior to assembly.

Ptc Resettable Fuses Selection Notes

Select this component when a 2.5 A hold current and 60 VDC rating are required for radial through-hole applications. Consider the 3 mOhms initial resistance for low-impedance circuit designs. Evaluate the -40°C to +85°C operating range against environmental conditions. Compare physical dimensions of 7.4 mm diameter against available board space constraints.

Ptc Resettable Fuses Part Context

This component belongs to the 0ZRR series of polymeric resettable fuses manufactured by Bel Fuse Inc. The series offers various current ratings within a consistent radial package format. These devices serve as reusable alternatives to traditional one-time fuses in low-voltage DC circuits requiring overcurrent protection.

Ptc Resettable Fuses FAQ

What is the maximum fault current this fuse can withstand?

The 0ZRR0250FF2A has a maximum fault current rating of 40 A.

Does the device require replacement after tripping?

No, it is a resettable fuse that automatically returns to a low-resistance state once the fault current is removed and the device cools down.