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MGP440ZRW-T03
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Product Detailed Parameters
- Description：PTC RESET FUSE LOWRHO STRAP
- Series：-
- Mfr：Littelfuse Inc.
- Package：Bag
- Type：-
- Voltage - Max：-
- Current - Hold (Ih) (Max)：-
- Current - Trip (It)：-
- Current - Max：-
- Time to Trip：-
- Resistance - Initial (Ri) (Min)：-
- Resistance - Post Trip (R1) (Max)：-
- Resistance - 25°C (Typ)：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：-
- Package / Case：-
- Size / Dimension：-
- Height - Seated (Max)：-
- Thickness (Max)：-
- Lead Spacing：-
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Overview
The MGP440ZRW-T03 is a surface-mount PTC resettable fuse from the Littelfuse 440 Series. It functions as an over-current protection device utilizing positive temperature coefficient polymer technology. The component is designed for low resistance applications, indicated by its 'LOWRHO' designation in manufacturer documentation. It operates within standard industrial temperature ranges and complies with RoHS directives, ensuring it is lead-free and halogen-free. This series provides reliable circuit protection against excessive current conditions through automatic reset capabilities.
Feature Summary
- Provides automatic resettable over-current protection using polymer PTC technology
- Designed for surface mount assembly on printed circuit boards
- Constructed with lead-free and halogen-free materials compliant with environmental standards
Applications
- Over-current protection for electronic circuits
- Surface mount PCB integration
- Industrial equipment safety systems
Procurement Notes
Verify the specific electrical parameters such as hold current and trip current against the official Littelfuse datasheet before implementation. Confirm that the package type matches the board layout requirements. Ensure compliance with project-specific environmental regulations regarding RoHS status. Cross-reference the part number to distinguish between similar variants in the 440 Series family.
Selection Notes
Select this component based on the required holding current and maximum voltage ratings for the target application. Consider the physical size constraints for surface mount placement. Evaluate the thermal environment to ensure proper operation of the resettable fuse characteristics. Verify compatibility with automated assembly processes given the surface mount form factor.
Part Context
This part belongs to the Littelfuse 440 Series, which comprises surface mount fuses designed for over-current protection. The series is characterized by its compact footprint and reliability in modern electronics. The MGP440ZRW-T03 variant specifically addresses applications requiring low resistance paths while maintaining robust protection capabilities.
Replacement Considerations
Consult the official Littelfuse substitution guide for verified alternative part numbers within the 440 Series or compatible families. Ensure any substitute maintains identical electrical ratings and package dimensions. Do not assume interchangeability without verifying technical specifications against the original design requirements.
