250S130-RBDR

Ptc Resettable Fuses Overview

The Littelfuse 250S130-RBDR is a surface-mount polymer PTC resettable fuse from the POLY-FUSE 250S series. It features a hold current of 130 mA and a trip current of 260 mA, with a maximum voltage rating of 60 VDC (250V internal). The device has a maximum resistance of 20 Ohms after tripping and an initial resistance minimum of 9 Ohms. It supports a maximum fault current of 3 A and dissipates up to 1.2 W. Operating temperature ranges from -40°C to +85°C. Dimensions are 9.40 mm length, 7.40 mm width, and 3.70 mm height.

Ptc Resettable Fuses Feature Summary

• Provides overcurrent protection by increasing resistance when heated during fault conditions
• Automatically resets to low-resistance state after cooling down
• Designed for surface mount PCB integration

Ptc Resettable Fuses Applications

• Protection of circuits in battery-powered devices
• Overcurrent safeguarding for portable electronics
• Circuit protection in telecommunications equipment

Ptc Resettable Fuses Procurement Notes

Verify component authenticity through authorized Littelfuse distributors or certified suppliers. Confirm RoHS compliance status and manufacturing date codes upon receipt. Ensure storage conditions maintain moisture sensitivity level 1 integrity. Cross-reference datasheet specifications against incoming inventory to validate electrical parameters before implementation.

Ptc Resettable Fuses Selection Notes

Select this component for applications requiring reliable overcurrent protection in space-constrained designs. The 130 mA hold current suits low-power circuit monitoring. Verify that the 60 VDC rating aligns with system voltage requirements. Consider the 2-SMD package footprint for PCB layout compatibility. Evaluate thermal dissipation needs relative to the 1.2 W power rating.

Ptc Resettable Fuses Part Context

This part belongs to the Littelfuse POLY-FUSE 250S series of resettable fuses. These devices utilize polymer positive temperature coefficient technology. The series offers various hold currents and package styles for diverse circuit protection needs. The 250S130-RBDR specifically targets surface mount applications requiring compact protection solutions.

Ptc Resettable Fuses Replacement Considerations

Compatible substitutes include 250S130DR and 250S130VZR from the same manufacturer series. Verify identical hold current, trip current, and voltage ratings before substitution. Ensure package dimensions and mounting style match existing PCB design constraints.