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24LT180U is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 24V 1.8A STRAP. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for 24LT180U
- Description：PTC RESET FUSE 24V 1.8A STRAP
- Series：POLY-FUSE®, LT
- Mfr：Littelfuse Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：24V
- Current - Hold (Ih) (Max)：1.8 A
- Current - Trip (It)：3.8 A
- Current - Max：100 A
- Time to Trip：2.9 s
- Resistance - Initial (Ri) (Min)：40 mOhms
- Resistance - Post Trip (R1) (Max)：120 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：User Defined
- Package / Case：Strap
- Size / Dimension：0.984" L x 0.199" W (25.00mm x 5.05mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.039" (1.00mm)
- Lead Spacing：-
Ptc Resettable Fuses datasheet and documents for 24LT180U
Ptc Resettable Fuses Overview
The Littelfuse 24LT180U is a PolySwitch resettable PTC fuse with a strap-type package. It features a nominal voltage rating of 24V and a hold current (Ih) of 1.8A. The device provides overcurrent protection by increasing resistance when heated above its trip threshold, automatically resetting upon cooling.
Ptc Resettable Fuses Feature Summary
- Self-resetting polymeric PTC construction
- Strap-style form factor for direct circuit integration
- Automatic recovery after fault condition removal
Ptc Resettable Fuses Applications
- Battery pack protection
- Portable electronic devices
- Power supply input circuits
Ptc Resettable Fuses Procurement Notes
Verify component authenticity through authorized distributors. Confirm lot codes and date codes against the manufacturer's official documentation. Check for RoHS compliance status as indicated in the specific datasheet revision. Ensure storage conditions meet Littelfuse guidelines to maintain material integrity prior to assembly.
Ptc Resettable Fuses Selection Notes
Select based on system operating voltage not exceeding 24V and continuous current requirements below 1.8A. Evaluate thermal environment to ensure proper tripping characteristics. Consider physical dimensions of the strap package for PCB layout constraints. Verify that the reset time aligns with system restart requirements after an overcurrent event.
Ptc Resettable Fuses Part Context
This component belongs to the PolySwitch family of resettable fuses from Littelfuse. These devices offer reusable overcurrent protection compared to traditional one-time fuses. The strap type indicates a specific mounting style designed for high-current applications requiring robust electrical connections.
Ptc Resettable Fuses Replacement Considerations
The 24LT180SU is a documented variant within the same series. Verify if the 'U' suffix denotes specific packaging or testing differences compared to the 'SU' designation before substitution.
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