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MF-RHS350-0
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Product Detailed Parameters
- Description：FUSE PTC RESET 3.5A 16V
- Series：Multifuse®, MF-RHS
- Mfr：Bourns Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：16V
- Current - Hold (Ih) (Max)：3.5 A
- Current - Trip (It)：7:00 AM
- Current - Max：100 A
- Time to Trip：4.5 s
- Resistance - Initial (Ri) (Min)：0.018 Ohms
- Resistance - Post Trip (R1) (Max)：0.05 Ohms
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.331" L x 0.118" W (8.40mm x 3.00mm)
- Height - Seated (Max)：0.665" (16.90mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The Bourns MF-RHS350-0 is a radial leaded polymeric positive temperature coefficient (PPTC) resettable fuse from the MF-RHS series. Designed for high-temperature environments, it features a 3.5 A hold current and a 7 A trip current. The component supports a maximum voltage of 16 V and offers a maximum rated current of 100 A. It exhibits a typical resistance of 50 mΩ and operates within a temperature range of -40 °C to +125 °C. The device utilizes a through-hole mounting style with a 5.1 mm lead spacing.
Feature Summary
- Self-resetting protection mechanism utilizing PTC technology
- High-temperature capability suitable for demanding thermal conditions
- Radial leaded construction for reliable through-hole integration
Applications
- Overcurrent protection in consumer electronics
- Industrial system circuit safeguarding
- Telecommunication equipment power line protection
Procurement Notes
Verify the specific suffix '0' against the manufacturer's official datasheet to confirm exact electrical tolerances and packaging specifications. Ensure the selected variant matches the required hold and trip currents for the target application circuit. Confirm compliance with RoHS directives as indicated in the product documentation prior to final procurement.
Selection Notes
Select this component when a self-resetting overcurrent solution is required for low-voltage circuits operating up to 16 V. The 3.5 A hold current defines the continuous operational limit, while the 7 A trip current indicates the threshold for activation. Consider the 50 mΩ resistance impact on circuit efficiency and ensure the physical dimensions accommodate the available board space.
Part Context
This part belongs to the Bourns MF-RHS series of high-temperature PPTC resettable fuses. The series provides robust protection for sensitive electronic components against overcurrent conditions. These devices are engineered to automatically restore conductivity after cooling, offering a reusable alternative to traditional one-time fuses in various industrial and commercial applications.
Replacement Considerations
Consult the official Bourns replacement guide or cross-reference list for verified substitute part numbers. Do not assume interchangeability based solely on similar ratings; verify all electrical parameters and mechanical dimensions with the manufacturer before implementation.
