1812L020/60DR

Ptc Resettable Fuses Overview

The Littelfuse 1812L020/60DR is a surface-mount polymer PTC resettable fuse from the 1812L series. It features a maximum voltage rating of 60 VDC and a hold current (Ih) of 0.2 A. The trip current (It) is specified at 0.4 A, with a maximum trip time of 3 seconds. The device has a minimum initial resistance of 5 Ohms and a maximum post-trip resistance of 10 Ohms. It supports a maximum fault current of 100 A and operates within a temperature range of -40°C to +85°C. Power dissipation is rated at 800 mW.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit protection through reversible polymer positive temperature coefficient behavior
• Designed for surface mount assembly in compact electronic layouts
• Offers halogen-free construction compliant with environmental standards

Ptc Resettable Fuses Applications

• Overcurrent protection for portable consumer electronics
• Circuit safeguarding in telecommunications equipment
• Protection for peripheral interfaces and data lines

Ptc Resettable Fuses Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number with official Littelfuse documentation. Confirm that the specific suffix matches the required electrical ratings. Ensure handling procedures account for surface mount requirements. Check for RoHS compliance status relevant to the target market regulations before finalizing procurement orders.

Ptc Resettable Fuses Selection Notes

Select this component when a 60 VDC rating and 0.2 A hold current are required for space-constrained designs. The 1812 package size suits high-density PCB layouts. Consider the 5 Ohm minimum resistance impact on low-voltage circuits. Evaluate thermal management needs given the 800 mW power dissipation limit during normal operation.

Ptc Resettable Fuses Part Context

This part belongs to the 1812L series of resettable fuses, which are widely used for overcurrent protection in various electronic applications. The series offers multiple voltage and current ratings within a standardized 1812 footprint, allowing designers to scale protection levels while maintaining consistent board space utilization across different product lines.

Ptc Resettable Fuses Replacement Considerations

Consult official Littelfuse substitution guides for verified equivalents. Cross-reference parameters such as voltage, hold current, and package dimensions to ensure functional compatibility without altering design specifications.