BK250-180-DZ

Ptc Resettable Fuses Overview

The YAGEO BK250-180-DZ is a polymeric positive temperature coefficient (PPTC) resettable fuse designed for PCB mounting. It features a radial leaded disc package with a 5.1 mm lead spacing. The component operates within a temperature range of -40°C to +85°C and has a maximum voltage rating of 250 V. Key electrical parameters include a hold current of 180 mA, a trip current of 540 mA, and a maximum rated current of 10 A. The device exhibits a resistance of 3 Ohms.

Ptc Resettable Fuses Feature Summary

• Provides overcurrent protection through automatic resistance increase during fault conditions
• Enables circuit restoration after cooling without manual replacement
• Supports surface or through-hole integration via radial leads

Ptc Resettable Fuses Applications

• Protection of portable electronic devices against overcurrent faults
• Overcurrent safeguarding in peripheral equipment interfaces
• Circuit protection within consumer electronics assemblies

Ptc Resettable Fuses Procurement Notes

Verify the specific datasheet version for the BK250-180-DZ to confirm compliance with RoHS directives and material declarations. Ensure that the procurement documentation matches the exact part number suffix to guarantee correct hold current and physical dimensions. Cross-reference the manufacturer's official specifications for thermal derating curves and mechanical tolerances before finalizing supply chain agreements.

Ptc Resettable Fuses Selection Notes

Select this component when the application requires a resettable fuse with a 180 mA hold current and a 250 V maximum voltage rating. The radial disc form factor suits designs needing compact footprint integration on printed circuit boards. Consider the 3 Ohm resistance value for impact on circuit power loss and ensure the operating environment stays within the specified -40°C to +85°C temperature range.

Ptc Resettable Fuses Part Context

This device belongs to the BK250 series of PPTC resettable fuses manufactured by YAGEO. The series offers various hold current options ranging from low milliampere values to higher amperage ratings. All units in this family share common voltage ratings and package styles, providing standardized protection solutions for diverse electronic product lines requiring reliable overcurrent management.

Ptc Resettable Fuses Replacement Considerations

Compatible substitutes include other BK250 series variants such as BK250-040-DZ or BK250-030-DZ for lower current applications. Higher current alternatives like BK250-180-DZ equivalents should be verified for matching voltage and package dimensions. Always validate thermal performance and physical fit before substituting.