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MF-RHT650-2-14
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Product Detailed Parameters
- Description：PTC 6.5A 16V RADIAL LEADED HI-TE
- Series：Multifuse®, MF-RHT
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- 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：0.201" (5.10mm)
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Overview
The Bourns MF-RHT650-2-14 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, with a trip current of 12 A. The device exhibits a low resistance of 26 mOhms and supports a maximum rated current of 100 A. Designed for high-temperature environments, it operates between -40°C and +125°C. The component measures 12.7 mm in diameter and 22.2 mm in height, with a 5.1 mm lead spacing. It carries AEC-Q100 automotive qualification.
Feature Summary
- Provides overcurrent protection using polymer PTC technology that resets automatically after fault clearance.
- Engineered for high-temperature stability to maintain performance in demanding thermal conditions.
- Automotive-grade construction ensures reliability under strict environmental standards.
Applications
- Automotive circuit protection
- High-reliability electronic equipment
- Industrial transportation systems
Procurement Notes
Verify the specific suffix '-14' against the official datasheet to confirm packaging details, as standard variants may use different reel or ammo pack configurations. Ensure the AEC-Q100 qualification status aligns with your specific automotive application requirements before finalizing procurement.
Selection Notes
Select this component when a radial leaded form factor is required for through-hole PCB mounting in space-constrained layouts. The 6.5 A hold current and 16 V rating suit low-voltage DC circuits. Consider the 26 mOhms resistance for power dissipation calculations and verify the 125°C operating limit matches the ambient thermal profile.
Part Context
This part belongs to the Bourns Multifuse RHT series, which specializes in high-temperature PPTC devices. The series offers robust protection against short circuits and overloads while eliminating tripping issues caused by temperature variations. It complements other Bourns protection components like the MF-USHT series.
Replacement Considerations
MF-RHT650-2
FAQ
What is the significance of the AEC-Q100 qualification?
AEC-Q100 qualification indicates that the component meets rigorous automotive reliability standards for integrated circuits and passive components, ensuring suitability for automotive applications.
How does the RHT series differ from standard PPTCs?
The RHT series is specifically designed for high-temperature environments, offering stable performance up to 125°C without unintended tripping due to ambient heat changes.
