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MF-RHT800-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 16V 8A RADIAL
- Series：Multifuse®, MF-RHT
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：16V
- Current - Hold (Ih) (Max)：8:00 AM
- Current - Trip (It)：15 A
- Current - Max：100 A
- Time to Trip：8 s
- Resistance - Initial (Ri) (Min)：8 mOhms
- Resistance - Post Trip (R1) (Max)：20 mOhms
- Operating Temperature：-40°C ~ 125°C
- Grade：Automotive
- Qualification：AEC-Q200
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.630" L x 0.118" W (16.00mm x 3.00mm)
- Height - Seated (Max)：0.886" (22.50mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The Bourns MF-RHT800-2 is a polymeric PTC resettable fuse rated for 16VDC maximum voltage and 8A hold current. It features a trip current of 13.6A to 15A, with a maximum fault current rating of 100A. The device exhibits a minimum resistance of 11mΩ and operates within a temperature range of -40°C to +125°C. Dimensions include a lead spacing of 5.1mm and a seated height up to 22.50mm.
Feature Summary
- Provides automatic circuit protection through self-resetting polymer technology
- Designed for high-current applications with robust fault handling capabilities
- Complies with AEC-Q200 automotive qualification standards
Applications
- Automotive electronic circuits requiring thermal protection
- Industrial power distribution systems
- Consumer electronics overcurrent safeguarding
Procurement Notes
Verify the specific suffix designation to confirm packaging configuration, as variants such as AP indicate Ammo packing while standard designations may imply Reel or Tape configurations. Ensure the selected component matches the required lead spacing and dimensional constraints for the target PCB layout. Confirm that the hold current and trip current ratings align precisely with the system's operational thresholds before finalizing procurement orders.
Selection Notes
Select this component when a radial through-hole PTC fuse is required for 16VDC systems carrying up to 8A continuous current. Consider the 100A maximum fault current capability for surge protection needs. Evaluate the operating temperature range limits against environmental conditions. Compare physical dimensions, specifically the 5.1mm lead spacing and height, against available board space constraints.
Part Context
This part belongs to the MF-RHT series of high-temperature PTC resettable fuses manufactured by Bourns Inc. The series is engineered for demanding environments, offering reliable performance in automotive and industrial sectors. It complements other Bourns protection devices by providing reusable overcurrent solutions without manual replacement requirements.
Replacement Considerations
Direct substitutes include the MF-RHT800-AP variant, which shares identical electrical specifications but utilizes Ammo packaging instead of Reel. Verify compatibility with existing footprints and ensure equivalent thermal characteristics are maintained during substitution.
