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MF-RHT400-2-14
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Product Detailed Parameters
- Description：PTC 4.0A 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)：4:00 AM
- Current - Trip (It)：7.5 A
- Current - Max：100 A
- Time to Trip：5 s
- Resistance - Initial (Ri) (Min)：24 mOhms
- Resistance - Post Trip (R1) (Max)：60 mOhms
- Operating Temperature：-40°C ~ 125°C
- Grade：Automotive
- Qualification：AEC-Q200
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.394" L x 0.118" W (10.00mm x 3.00mm)
- Height - Seated (Max)：0.591" (15.00mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The Bourns MF-RHT400-2-14 is a radial leaded Polymeric Positive Temperature Coefficient (PPTC) resettable fuse from the MF-RHT series, designed for high-temperature circuit protection. It features a holding current of 4.0 A and a maximum voltage rating of 16 V DC. The device exhibits a typical resistance of 240 mΩ and operates within a temperature range of -40°C to +125°C. Certified to AEC-Q200 standards, it provides reliable overcurrent protection in demanding automotive and industrial environments.
Feature Summary
- Self-resetting overcurrent protection utilizing PTC technology
- AEC-Q200 qualified for automotive reliability requirements
- Radial leaded package suitable for PCB mounting
Applications
- Automotive electronic circuits
- Industrial power supply protection
- Consumer electronics overcurrent safeguarding
Procurement Notes
Verify component authenticity through authorized Bourns distributors or direct manufacturer channels. Confirm that the specific suffix matches project requirements for voltage and current ratings. Ensure compliance with RoHS directives and check for any regional distribution restrictions prior to ordering.
Selection Notes
Select this component based on the required 4.0 A holding current and 16 V maximum voltage constraints. Consider the radial leaded form factor for through-hole assembly processes. Validate thermal performance capabilities against the operational environment's temperature extremes to ensure long-term reliability.
Part Context
This part belongs to the MF-RHT series of high-temperature resettable fuses manufactured by Bourns Inc. The series is engineered to provide robust circuit protection in applications requiring durability under elevated thermal conditions. It complements Bourns' portfolio of automotive-grade passive components.
Replacement Considerations
Consult official Bourns documentation for verified substitute part numbers. Generic equivalents may not match the specific AEC-Q200 certification or high-temperature performance characteristics required for this application.
