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MF-R800-0-99
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Product Detailed Parameters
- Description：PTC RESET FUSE 30V 8A RADIAL
- Series：Multifuse®, MF-R
- Mfr：Bourns Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：30V
- Current - Hold (Ih) (Max)：8:00 AM
- Current - Trip (It)：16 A
- Current - Max：40 A
- Time to Trip：18.8 s
- Resistance - Initial (Ri) (Min)：5 mOhms
- Resistance - Post Trip (R1) (Max)：30 mOhms
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.953" L x 0.118" W (24.20mm x 3.00mm)
- Height - Seated (Max)：1.295" (32.90mm)
- Thickness (Max)：-
- Lead Spacing：0.402" (10.20mm)
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Overview
The Bourns MF-R800-0-99 is a PTC self-resettable fuse from the MF-R series, designed for overcurrent protection in electronic circuits. It features an 8A hold current and a 16A trip action current at a maximum DC voltage of 30V. The component has a minimum initial resistance of 5mΩ and a maximum post-trip resistance of 30mΩ. It operates within a temperature range of -40°C to +85°C and supports a maximum power dissipation of 4W. The device utilizes a through-hole package with a 10.2mm pin spacing, measuring 24.20 x 3.00mm in size.
Feature Summary
- Provides automatic circuit recovery after fault clearance without manual replacement
- Offers robust overcurrent protection against short circuits and thermal overload conditions
- Ensures low impedance during normal operation to minimize signal or power loss
Applications
- Overcurrent protection for portable electronic devices
- Circuit safeguarding in automotive electronics systems
- Protection for industrial control equipment and instrumentation
- Surge protection in telecommunications infrastructure
Procurement Notes
Verify the specific ordering suffix matches the required packaging configuration before purchase. Confirm that the lead time aligns with project schedules, as availability may vary by region. Ensure the procurement channel provides valid manufacturer documentation for quality assurance purposes.
Selection Notes
Select this component based on the 8A hold current requirement and 30V maximum rating. Evaluate the thermal environment to ensure the operating temperature range remains within specified limits. Consider the physical dimensions and through-hole mounting style for PCB layout compatibility.
Part Context
This part belongs to the Bourns MF-R series of PTC resettable fuses, which are widely used for secondary protection in various electronic applications. The series offers a balance of performance and reliability for protecting sensitive components from excessive current flow.
Replacement Considerations
Consult official Bourns documentation for direct substitutes. Verify that any alternative component matches the electrical ratings and physical footprint requirements.
