B59995C0160A051

Ptc Resettable Fuses Overview

The B59995C0160A051 is a ceramic PTC resettable fuse manufactured by TDK. It features a maximum voltage of 20V and a hold current (Ih) of 150 mA. The trip current (It) is specified at 300 mA, with a maximum fault current rating of 700 mA. Typical resistance at 25°C is 1.5 Ohms. The component utilizes a radial, disc-style through-hole package with dimensions of 4.00mm diameter and 3.50mm height. It operates within a temperature range of -40°C to +85°C and carries UL certification.

Ptc Resettable Fuses Feature Summary

• Provides overcurrent protection via self-resetting polymer positive temperature coefficient technology
• Offers reliable circuit safeguarding against short circuits and excessive current conditions
• Designed for compact mounting in space-constrained electronic assemblies

Ptc Resettable Fuses Applications

• Overcurrent protection in portable consumer electronics
• Circuit safeguarding in automotive infotainment systems
• Protection for industrial control board interfaces

Ptc Resettable Fuses Procurement Notes

Verify the specific model suffix to ensure correct voltage and current ratings, as variations exist within the B59995 series. Confirm that the radial lead spacing matches the target PCB footprint requirements. Check for RoHS compliance status if restricted substances are a concern for the assembly process. Ensure storage conditions maintain moisture sensitivity level integrity prior to soldering.

Ptc Resettable Fuses Selection Notes

Select this component when a low-voltage, high-reliability resettable fuse is required for protecting sensitive downstream circuitry. The 20V rating suits low-voltage DC power lines common in modern digital devices. Consider the thermal environment, as ambient temperature affects the hold current performance. The radial package facilitates easy manual or automated insertion into standard through-hole layouts.

Ptc Resettable Fuses Part Context

This part belongs to the B59995 series of PTC thermistors from TDK Electronics, formerly EPCOS. The series is widely used for circuit protection across various industries. TDK acquired EPCOS, integrating these components into its broader portfolio of electronic materials and systems. The B59995 series is known for its robustness and consistent performance in protecting electronic circuits from overcurrent events.

Ptc Resettable Fuses Replacement Considerations

Direct substitutes include other B59995 series variants with matching 20V and 150mA specifications, such as B59995C0160A050. Verify that any replacement maintains the same physical dimensions and electrical characteristics to ensure compatibility with existing designs.