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RXEF110-1 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 72V 1.1A RADIAL. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for RXEF110-1
- Description：PTC RESET FUSE 72V 1.1A RADIAL
- Series：PolySwitch®
- Mfr：Littelfuse Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：72V
- Current - Hold (Ih) (Max)：1.1 A
- Current - Trip (It)：2.2 A
- Current - Max：40 A
- Time to Trip：8.2 s
- Resistance - Initial (Ri) (Min)：150 mOhms
- Resistance - Post Trip (R1) (Max)：250 mOhms
- Operating Temperature：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.504" Dia x 0.118" T (12.80mm x 3.00mm)
- Height - Seated (Max)：0.689" (17.50mm)
- Thickness (Max)：-
- Lead Spacing：0.200" (5.08mm)
Ptc Resettable Fuses datasheet and documents for RXEF110-1
Ptc Resettable Fuses Overview
The Littelfuse RXEF110-1 is a PolySwitch PTC resettable fuse designed for PCB mounting. It features radial leads with a 5.8 mm spacing and operates within a temperature range of -40°C to +85°C. Key electrical parameters include a hold current of 1.1 A, trip current of 2.2 A, maximum voltage of 72 VDC, and maximum interrupt rating of 40 A. The device exhibits a resistance of 380 mΩ.
Ptc Resettable Fuses Feature Summary
- Polymeric PTC technology provides automatic circuit protection against overcurrent conditions.
- Radial lead configuration facilitates through-hole PCB integration.
- RoHS compliant construction supports environmentally conscious manufacturing.
Ptc Resettable Fuses Applications
- Consumer electronics power supply circuits
- Portable computing devices
- Peripheral interface protection
Ptc Resettable Fuses Procurement Notes
Verify the specific suffix designation during procurement to ensure correct packaging and variant matching. Confirm RoHS compliance status and datasheet revisions align with project requirements. Cross-reference manufacturer part numbers to avoid substitution errors in high-volume assembly lines.
Ptc Resettable Fuses Selection Notes
Select this component based on the 1.1 A hold current and 72 VDC rating suitability for low-voltage DC applications. Ensure the 40 A maximum interrupt rating exceeds potential fault currents. Verify thermal derating requirements at operating temperatures above ambient levels.
Ptc Resettable Fuses Part Context
This part belongs to the RXEF series of PolySwitch resettable fuses from Littelfuse. The series offers radial leaded options compatible with automated assembly processes. It serves as a reusable alternative to traditional one-time fusible links in electronic circuit design.
Ptc Resettable Fuses Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official Littelfuse resources for cross-reference data before implementing alternative components.
Ptc Resettable Fuses FAQ
What is the maximum interrupt rating?
The maximum interrupt rating is 40 A.
Does the device support surface mount installation?
No, the RXEF110-1 utilizes radial leads intended for through-hole PCB mounting.
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