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MF-RHT100-0
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Product Detailed Parameters
- Description：PTC RESET FUSE 30V 1A RADIAL
- Series：Multifuse®, MF-RHT
- Mfr：Bourns Inc.
- Package：Bag
- Type：Polymeric
- Voltage - Max：30V
- Current - Hold (Ih) (Max)：1:00 AM
- Current - Trip (It)：1.8 A
- Current - Max：40 A
- Time to Trip：5.2 s
- Resistance - Initial (Ri) (Min)：180 mOhms
- Resistance - Post Trip (R1) (Max)：430 mOhms
- Operating Temperature：-40°C ~ 125°C
- Grade：Automotive
- Qualification：AEC-Q200
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.382" L x 0.118" W (9.70mm x 3.00mm)
- Height - Seated (Max)：0.535" (13.60mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The Bourns MF-RHT100-0 is a radial leaded polymeric positive temperature coefficient (PPTC) resettable fuse designed for high-temperature applications. It features a holding current of 1.0 A and a maximum voltage rating of 30 VDC. The device exhibits a typical resistance of 180 mOhms and operates within a temperature range of -40°C to +125°C. It holds AEC-Q200 qualification, ensuring reliability in automotive environments.
Feature Summary
- Provides automatic circuit protection by increasing resistance during overcurrent conditions
- Supports repeated tripping and recovery without manual replacement
- Designed for high-temperature operation suitable for demanding environments
Applications
- Automotive electronics circuits requiring AEC-Q200 compliance
- High-temperature PCB mounting applications
- Overcurrent protection for low-voltage DC systems up to 30V
Procurement Notes
Verify the specific suffix and package configuration against official Bourns documentation before ordering. Confirm that the 30V rating aligns with system requirements, as other variants in this series may support different voltage levels. Ensure the radial lead style matches the target PCB footprint design.
Selection Notes
Select this component when a 1.0 A holding current and 30 VDC maximum voltage are required. Consider the 180 mOhms resistance value for power loss calculations. Verify that the -40°C to +125°C operating range meets the environmental constraints of the application.
Part Context
This part belongs to the Multifuse MF-RHT series, which focuses on high-temperature PPTC resettable fuses. The series offers various current ratings and voltage options, all sharing radial lead construction and AEC-Q200 qualification for automotive use.
Replacement Considerations
Consult official Bourns substitution guides for direct replacements. Variants such as MF-RHT100-2 or MF-RHT100-4 may offer different packaging but similar electrical characteristics.
