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MF-RHS550-0
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Product Detailed Parameters
- Description：FUSE PTC RESET 5.5A 16V
- Series：Multifuse®, MF-RHS
- Mfr：Bourns Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：16V
- Current - Hold (Ih) (Max)：5.5 A
- Current - Trip (It)：11:00 AM
- Current - Max：100 A
- Time to Trip：10 s
- Resistance - Initial (Ri) (Min)：0.012 Ohms
- Resistance - Post Trip (R1) (Max)：0.032 Ohms
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.366" L x 0.118" W (9.30mm x 3.00mm)
- Height - Seated (Max)：0.768" (19.50mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The MF-RHS550-0 is a polymeric positive temperature coefficient (PPTC) resettable fuse from the Bourns MF-RHS series. It features a radial disc package designed for through-hole mounting. The component has a voltage rating of 16V and a holding current of 5.5A. Its trip current is specified at 11A, providing circuit protection against overcurrent conditions.
Feature Summary
- Provides resettable overcurrent protection using polymeric PTC technology
- Designed for high-temperature applications with elevated power ratings
- Utilizes a radial disc package suitable for through-hole board mounting
Applications
- High-temperature electronic circuits requiring robust protection
- Power supply input lines
- Consumer electronics internal wiring
Procurement Notes
Verify the specific suffix codes to ensure compatibility with required thermal and electrical specifications. Confirm that the radial lead configuration matches the target PCB layout. Cross-reference the datasheet parameters for holding and trip currents against the system requirements to ensure adequate protection margins without nuisance tripping during normal operation.
Selection Notes
Select this component when the application demands a resettable fuse capable of operating in high-temperature environments. The 5.5A holding current and 16V rating define the operational limits. Ensure the physical dimensions of the radial disc package fit within the available board space and that the through-hole mounting method aligns with the manufacturing process.
Part Context
This part belongs to the Bourns MF-RHS series, which offers a broader range of high-temperature PPTC solutions. The series is engineered for applications involving high working temperatures and high power ratings, distinguishing it from standard PTC fuses by its enhanced thermal stability and durability under stress.
Replacement Considerations
Consult official substitution lists for equivalent parts within the MF-RHS series or other Bourns PPTC families. Verify that any substitute maintains identical voltage, holding current, and package dimensions to ensure mechanical and electrical compatibility.
