B59115P1120A062

Ptc Resettable Fuses Overview

The B59115P1120A062 is a ceramic PTC self-resetting fuse manufactured by TDK. It features an 80V maximum voltage rating and a hold current (Ih) of 70 mA, with a trip current (It) of 145 mA. The component exhibits a typical resistance of 55 Ohms at 25°C and operates within a temperature range of -40°C to 60°C. Packaged in a 3225 (8063 metric) surface-mount format measuring 8.00mm x 6.30mm x 3.80mm, it complies with AEC-Q200 automotive standards.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit protection through self-resetting functionality upon fault clearance
• Complies with AEC-Q200 automotive qualification standards for reliability
• Utilizes a compact surface-mount package suitable for automated PCB assembly

Ptc Resettable Fuses Applications

• Overcurrent protection in DC-DC converters
• Short circuit protection in electronic circuits
• Protection for battery packs and power supplies
• Circuit safeguarding in notebook computers and consumer electronics

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix 'A062' against official TDK documentation to confirm the exact hold current and packaging configuration. Ensure that the selected variant meets the required thermal and electrical specifications for the target application environment. Cross-reference the datasheet for precise derating curves and pulse handling capabilities before finalizing procurement.

Ptc Resettable Fuses Selection Notes

Select this component when designing circuits requiring robust overcurrent protection with automatic recovery capabilities. Consider the 70 mA hold current and 145 mA trip current thresholds to ensure proper circuit operation under normal load conditions. Verify compatibility with the 3225 footprint and confirm that the operating temperature range aligns with the system's environmental requirements.

Ptc Resettable Fuses Part Context

This device belongs to the B59115 series of PTC thermistors designed for circuit protection. It serves as a resettable fuse alternative to traditional one-time fuses, offering repeated protection cycles. The series is widely utilized in automotive and industrial applications where space constraints and reliability are critical design factors.

Ptc Resettable Fuses Replacement Considerations

Compatible substitutes include other TDK B59115 series variants with matching 55 Ohm resistance and similar current ratings. Verify equivalent AEC-Q200 certification and identical 3225 package dimensions to ensure direct replacement without PCB layout modifications.