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Product Detailed Parameters
- Description:PTC RESET FUSE 30V 8A RADIAL
- Series:Multifuse®, MF-R
- Mfr:Bourns Inc.
- Package:Tape & Box (TB)
- 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-AP is a resettable polymeric positive temperature coefficient (PPTC) device from the Multifuse MF-R series, designed for overcurrent protection in low-voltage power supply circuits. It features radial leads and cured flame-retardant epoxy polymer insulation compliant with UL 94V-0 standards. The component is RoHS compliant and halogen-free, providing reliable load protection across various electronic applications.
Feature Summary
- Provides automatic circuit interruption during overcurrent events
- Features cured flame-retardant epoxy polymer insulation
- Utilizes radial lead configuration for through-hole mounting
Applications
- Computer and peripheral equipment
- General electronics circuits
- Automotive applications
Procurement Notes
Verify specific electrical parameters such as hold current, trip current, and maximum voltage against the official datasheet before integration. Confirm that the radial lead spacing and insulation requirements align with the target PCB layout and safety certification needs for the end product.
Selection Notes
Select this component based on the required operating voltage and continuous current ratings for the protected circuit. Ensure the ambient temperature range supports the thermal characteristics of the PPTC material. Verify compatibility with assembly processes and compliance with environmental directives.
Part Context
This part belongs to the Bourns Multifuse MF-R series of resettable fuses. These devices are engineered to replace traditional fusible links in low-voltage systems, offering reusable protection capabilities while maintaining compact form factors suitable for dense circuit board designs.
Replacement Considerations
Consult official substitution guides for equivalent PPTC devices with matching hold and trip currents. Verify that alternative components meet identical UL 94V-0 insulation and RoHS compliance standards.
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