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MHP-30-36-T
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Product Detailed Parameters
- Description：PTC RESET FUSE 36V 30A BLADE
- Series：MHP
- Mfr：Littelfuse Inc.
- Package：Tray
- Type：Polymeric
- Voltage - Max：36V
- Current - Hold (Ih) (Max)：30 A
- Current - Trip (It)：50 A
- Current - Max：100 A
- Time to Trip：4.5 s
- Resistance - Initial (Ri) (Min)：-
- Resistance - Post Trip (R1) (Max)：-
- Resistance - 25°C (Typ)：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Holder
- Package / Case：Blade Type
- Size / Dimension：1.024" L x 0.370" W (26.00mm x 9.40mm)
- Height - Seated (Max)：0.217" (5.50mm)
- Thickness (Max)：-
- Lead Spacing：-
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Overview
The Littelfuse MHP-30-36-T is a Metal Hybrid Protection (MHP) device designed for overcurrent and overtemperature protection of rechargeable batteries. It integrates a polymer positive temperature coefficient (PPTC) resettable fuse with a bimetallic thermal cutoff to ensure robust safety in lithium-ion and lithium-polymer battery packs. The component features an activation temperature rating of 90°C, a nominal current rating of 30A, and a maximum resistance of 5mΩ at 25°C. It meets IEC 60730-1 and IEC 60730-2-9 standards and holds UL recognition.
Feature Summary
- Combines PPTC resettable fuse technology with a bimetallic thermal cutoff for dual-mode protection against overcurrent and overheating.
- Utilizes PPTC fuses as heaters to maintain the latching state of the bimetallic thermal cutoff until fault conditions are removed.
- Provides higher current ratings compared to typical standalone thermal cutoff devices while maintaining compact dimensions suitable for ultra-thin designs.
Applications
- Protection of lithium-ion and lithium-polymer batteries in notebook PCs
- Overcurrent and thermal safeguarding for power tool battery packs
- Safety integration within prismatic cell configurations for mobile phones
Procurement Notes
Verify that the specific part number corresponds to the required activation temperature and current rating for your battery pack design. Confirm compliance with relevant safety standards such as IEC 60730 and UL recognition requirements applicable to your target market. Ensure compatibility with the assembly process and spatial constraints of the final enclosure.
Selection Notes
Select this component when high-current protection is required alongside precise thermal cutoff capabilities. The integrated design eliminates the need for separate fuse and thermal switch components, simplifying the bill of materials. Consider the low maximum resistance rating to minimize power loss during normal operation and the compact form factor for space-constrained battery modules.
Part Context
This device belongs to the Mini Breaker or Metal Hybrid Protection (MHP) family from Littelfuse. These devices are engineered specifically for portable electronics and power tools where space is limited but stringent safety regulations apply. The series leverages advanced polymer technology to provide reliable, long-lived resettable fuse performance combined with irreversible thermal protection.
Replacement Considerations
Publicly confirmed substitute part numbers for this specific model are not available in the provided documentation. Verify electrical parameters and physical dimensions before considering alternative manufacturers' hybrid protection devices.
