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MF-RHT500-0-14
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Product Detailed Parameters
- Description：PTC 5.0A 16V RADIAL LEADED HI-TE
- Series：Multifuse®, MF-RHT
- Mfr：Bourns Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：16V
- Current - Hold (Ih) (Max)：5:00 AM
- Current - Trip (It)：9:00 AM
- Current - Max：100 A
- Time to Trip：9 s
- Resistance - Initial (Ri) (Min)：17.5 mOhms
- Resistance - Post Trip (R1) (Max)：45 mOhms
- Operating Temperature：-40°C ~ 125°C
- Grade：Automotive
- Qualification：AEC-Q200
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.441" L x 0.118" W (11.20mm x 3.00mm)
- Height - Seated (Max)：0.744" (18.90mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The Bourns MF-RHT500-0-14 is a radial leaded polymeric positive temperature coefficient (PPTC) resettable fuse designed for high-temperature circuit protection. It features a hold current of 5.0 A and a trip current of 10 A, operating within a maximum voltage of 16 V. The device exhibits a typical resistance of 45 mOhms and can withstand a maximum fault current of 100 A. It functions reliably across an extended temperature range from -40 °C to +125 °C, with a lead spacing of 5.1 mm.
Feature Summary
- Provides automatic resettable overcurrent protection using PTC technology
- Engineered for reliable operation in high-temperature environments up to 125 °C
- Radial leaded construction facilitates through-hole PCB mounting
Applications
- High-temperature circuit protection in industrial electronics
- Overcurrent safeguarding in automotive electrical systems
- Protection for portable electronic devices requiring thermal resilience
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer part number MF-RHT500-0-14 with official Bourns documentation. Confirm that the specific ordering suffix matches the required radial leaded configuration and high-temperature rating. Ensure compliance with RoHS directives and relevant safety certifications such as UL or TUV before integration into final assemblies.
Selection Notes
Select this component when applications demand resettable protection under elevated thermal conditions. The 5.0 A hold current and 16 V rating suit low-voltage DC circuits. Verify that the 100 A maximum fault current capability aligns with the system's potential short-circuit levels. Ensure the radial lead pitch fits the target printed circuit board layout constraints.
Part Context
This device belongs to the Bourns MF-RHT series of high-temperature PPTC resettable fuses. The series is characterized by robust performance in demanding thermal environments. The MF-RHT500-0-14 variant specifically addresses needs for higher current handling compared to lower-amperage counterparts within the same product family.
Replacement Considerations
Compatible substitutes include other MF-RHT series variants with matching electrical ratings. Equivalent parts must maintain the 5.0 A hold current, 16 V maximum voltage, and radial leaded package style. Verify that alternative components meet the same high-temperature operational limits and safety certifications.
