16R110BPR

Ptc Resettable Fuses Overview

The Littelfuse 16R110BPR is a PolySwitch resettable PTC device from the USBR series, designed for overcurrent protection. It features a maximum voltage rating of 16 V and a hold current of 1.1 A. The trip current is specified at 2.2 A, with a maximum fault current rating of 40 A. Initial resistance is 140 mOhms, and power dissipation is 700 mW. Operating temperature ranges from -40 C to +85 C. The component utilizes radial leads with a 5.1 mm spacing and measures 14.2 mm in length, 7.4 mm in width, and 3 mm in height.

Ptc Resettable Fuses Feature Summary

• Provides reliable overcurrent protection by raising resistance as it heats to limit current flow.
• Radial leaded form factor allows for PCB mounting in circuits, wiring harnesses, and components.
• Solid-state design offers repeated use without replacement after tripping events.

Ptc Resettable Fuses Applications

• Protection for automotive actuators, screens, and small motors.
• Overcurrent safeguarding for telephony and networking equipment.
• Circuit and wiring harness protection in power supply applications.

Ptc Resettable Fuses Procurement Notes

Verify availability status carefully as this specific part number may be discontinued or subject to limited supply constraints. Confirm that the radial lead configuration and 16V rating align with current design requirements before finalizing procurement plans. Check for updated datasheets to ensure compliance with latest environmental standards.

Ptc Resettable Fuses Selection Notes

Select this component when a 1.1 A hold current and 16 V maximum voltage are required for radial leaded applications. Ensure the circuit's operating temperature stays within the -40 C to +85 C range. Verify that the 40 A maximum fault current rating exceeds potential surge levels in the target application environment.

Ptc Resettable Fuses Part Context

This device belongs to the Littelfuse USBR series of PolySwitch resettable fuses. These components are engineered for compact overcurrent protection in various electronic systems. The radial lead construction distinguishes it from surface-mount alternatives within the broader PolySwitch family.

Ptc Resettable Fuses Replacement Considerations

Consult official Littelfuse documentation for verified substitute part numbers. Cross-reference specifications such as hold current, voltage rating, and package dimensions to ensure functional equivalence in existing designs.

Ptc Resettable Fuses FAQ

What is the initial resistance value of the 16R110BPR?

The initial resistance is 140 mOhms.

What is the maximum fault current rating?

The maximum fault current rating is 40 A.