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24LT190U is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 24V 1.9A STRAP. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for 24LT190U
- Description：PTC RESET FUSE 24V 1.9A STRAP
- Series：POLY-FUSE®, LT
- Mfr：Littelfuse Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：24V
- Current - Hold (Ih) (Max)：1.9 A
- Current - Trip (It)：4.2 A
- Current - Max：100 A
- Time to Trip：3 s
- Resistance - Initial (Ri) (Min)：30 mOhms
- Resistance - Post Trip (R1) (Max)：100 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：User Defined
- Package / Case：Strap
- Size / Dimension：0.880" L x 0.417" W (22.35mm x 10.60mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.039" (1.00mm)
- Lead Spacing：-
Ptc Resettable Fuses datasheet and documents for 24LT190U
Ptc Resettable Fuses Overview
The Littelfuse 24LT190U is a polymeric resettable fuse belonging to the POLY-FUSE LT series. It features a strap mounting type and is rated for a maximum voltage of 24V with a hold current (Ih) of 1.9A. The device has a maximum trip current of 100A and a typical time to trip of 3 seconds. This component is currently classified as obsolete in the manufacturer's product lifecycle.
Ptc Resettable Fuses Feature Summary
- Polymeric construction provides resettable overcurrent protection capabilities
- Strap mounting design allows for flexible user-defined installation configurations
Ptc Resettable Fuses Applications
- General circuit protection applications requiring resettable fusing
- Electronic assemblies compatible with low-voltage DC systems
Ptc Resettable Fuses Procurement Notes
Verify component availability through authorized distributors, noting that this specific part number is listed as obsolete by the manufacturer. Confirm compatibility with existing board layouts due to the strap package style. Check for end-of-life notices or recommended alternative part numbers from Littelfuse before finalizing procurement plans.
Ptc Resettable Fuses Selection Notes
Select this component only if the application strictly requires a 24V maximum voltage rating and a 1.9A hold current. Ensure the design accommodates the strap mounting format rather than standard leaded packages. Consider the obsolete status when planning long-term production runs or maintenance cycles.
Ptc Resettable Fuses Part Context
This part belongs to the POLY-FUSE LT series of polymeric resettable fuses manufactured by Littelfuse Inc. These devices are designed for circuit protection within electronic systems, offering a reusable alternative to traditional one-time fuses. The series focuses on providing reliable overcurrent interruption for various consumer and industrial electronics.
Ptc Resettable Fuses Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, consult Littelfuse technical support for direct replacement recommendations.
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