MPTS1812L110R

Ptc Resettable Fuses Overview

The Meritek MPTS1812L110R is a polymeric positive temperature coefficient (PPTC) resettable fuse designed for circuit protection. It operates within a voltage range of up to 8V and handles an operating current of 1.1A. The component features a maximum post-trip resistance of 210mΩ and a trip time of 300ms. It functions reliably across a temperature range of -40°C to +85°C. The device utilizes an 1812 surface-mount package with dimensions of 4.55mm x 3.24mm, suitable for high-density electronic applications requiring overcurrent protection.

Ptc Resettable Fuses Feature Summary

• Polymeric PTC construction for automatic reset capability after fault clearance
• Surface-mount 1812 package design optimized for high-density PCB layouts
• Fast tripping response time for rapid overcurrent interruption
• Wide operational temperature range supporting diverse environmental conditions

Ptc Resettable Fuses Applications

• Portable electronic devices requiring compact overcurrent protection
• Battery-powered circuits needing resettable fuse solutions
• High-density consumer electronics assemblies
• Interface ports susceptible to short-circuit faults

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix 'R' indicates the correct reel packaging configuration if automated placement is required. Confirm that the 8V rating aligns with the target circuit's maximum operating voltage. Ensure the 1.1A hold current meets the application's normal load requirements without nuisance tripping. Cross-reference the 210mΩ max resistance to validate power dissipation limits in the final assembly.

Ptc Resettable Fuses Selection Notes

Select this component when space constraints necessitate an 1812 footprint. Choose based on the 1.1A operating current limit for low-voltage systems up to 8V. Consider the 210mΩ post-trip resistance for thermal management calculations. Evaluate the -40°C to +85°C range against environmental exposure. Opt for this PPTC type where manual fuse replacement is impractical or undesirable.

Ptc Resettable Fuses Part Context

This part belongs to Meritek's MPTS-R series of polymeric resettable fuses. The series provides circuit protection solutions using conductive polymer technology. These components offer reusable alternatives to traditional one-time fuses. The MPTS1812L110R specifically targets low-voltage, high-current density applications within the broader passive component portfolio.

Ptc Resettable Fuses Replacement Considerations

Direct substitutes must match the 1812 package, 1.1A hold current, and 8V max voltage ratings. Verify equivalent trip times and post-trip resistance values for circuit compatibility. Check manufacturer datasheets for cross-reference lists provided by Meritek. Ensure any alternative maintains the same temperature rating and resettable functionality.