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MF-RHT650-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 16V 6.5A RADIAL
- Series：Multifuse®, MF-RHT
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：16V
- Current - Hold (Ih) (Max)：6.5 A
- Current - Trip (It)：12:00 AM
- Current - Max：100 A
- Time to Trip：5.5 s
- Resistance - Initial (Ri) (Min)：11 mOhms
- Resistance - Post Trip (R1) (Max)：26 mOhms
- Operating Temperature：-40°C ~ 125°C
- Grade：Automotive
- Qualification：AEC-Q200
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.500" L x 0.118" W (12.70mm x 3.00mm)
- Height - Seated (Max)：0.874" (22.20mm)
- Thickness (Max)：-
- Lead Spacing：0.114" (2.90mm)
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Overview
The Bourns MF-RHT650-2 is a radial leaded Polymer Positive Temperature Coefficient (PPTC) resettable fuse from the Multifuse RHT series. It features a 6.5 A hold current and a 16 V maximum voltage rating. The device trips at 12 A with a maximum resistance of 26 mOhms. It supports a maximum fault current of 100 A and dissipates up to 4.3 W. Operating temperatures range from -40°C to +125°C. The component measures 12.7 mm in diameter and height, with a 5.1 mm lead spacing. It holds AEC-Q200 qualification for automotive reliability.
Feature Summary
- Provides overcurrent protection through automatic resistance increase during fault conditions
- Eliminates nuisance tripping caused by ambient temperature variations
- Offers robust circuit safeguarding in high-voltage and high-temperature environments
Applications
- Automotive circuitry protection
- Overcurrent surge protection for high-reliability electronic equipment
- Industrial transportation systems
- Communication infrastructure
- Consumer electronic devices
Procurement Notes
Verify that the specific part number matches the required electrical parameters, particularly the 6.5 A hold current and 16 V rating. Confirm AEC-Q200 qualification status if automotive application is intended. Ensure the radial leaded package dimensions and 5.1 mm lead spacing fit the target PCB layout. Check RoHS compliance documentation for regulatory requirements.
Selection Notes
Select this component when a radial leaded PPTC fuse is required for circuits operating up to 16 VDC. The 6.5 A hold current suits applications needing moderate overcurrent protection. Consider the 125°C operating temperature limit for thermal management. Compare against other MF-RHT series variants if different current ratings or package styles are needed.
Part Context
This device belongs to the Bourns Multifuse RHT series, designed for high-temperature polymer PTC applications. The series provides cost-effective protection against short circuits and overcurrent faults. It serves as an alternative to traditional fuses by offering resettable functionality without manual replacement after a fault event.
Replacement Considerations
MF-RHT650-0: Same electrical specifications but potentially different packaging or minor parameter tolerances; verify datasheet details before substitution.
