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Product Detailed Parameters
- Description：PTC RESET FUSE 30V 1.6A RADIAL
- Series：Multifuse®, MF-R
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：30V
- Current - Hold (Ih) (Max)：1.6 A
- Current - Trip (It)：3.2 A
- Current - Max：40 A
- Time to Trip：8 s
- Resistance - Initial (Ri) (Min)：55 mOhms
- Resistance - Post Trip (R1) (Max)：150 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.402" Dia x 0.118" T (10.20mm x 3.00mm)
- Height - Seated (Max)：0.661" (16.80mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The Bourns MF-R160-2 is a radial lead PTC resettable fuse from the MFR series, rated for 30 VDC. It features a hold current of 1.6 A and a trip current of 3.2 A, with a maximum fault current rating of 40 A. The device exhibits an initial resistance range of 55 mΩ to 105 mΩ and trips within 8 seconds under specified conditions. Operating temperatures span from -40°C to +85°C, with a physical diameter of 10.2 mm.
Feature Summary
- Provides automatic circuit protection through self-resetting polymeric positive temperature coefficient technology
- Offers robust performance against overcurrent events with high reliability and minimal power dissipation
- Designed for PCB mounting with radial leads for straightforward integration into electronic assemblies
Applications
- Overcurrent protection in consumer electronics circuits
- Protection for portable devices and battery-powered equipment
- Industrial control system circuit safeguarding
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer part number with official Bourns documentation. Confirm that the specific suffix matches the required electrical characteristics and package style. Ensure compliance with relevant safety standards such as UL certification before finalizing procurement decisions for production use.
Selection Notes
Select this component based on the 1.6 A hold current requirement and 30 VDC voltage rating. Consider the 8-second trip time and 40 A maximum current capacity when evaluating fault scenarios. Verify that the radial package and 10.2 mm diameter fit the available board space and thermal environment constraints.
Part Context
This part belongs to the Bourns MFR series of multifuse PTC resettable fuses. These components are engineered for compact circuit protection applications where space is limited. The series provides a reliable alternative to traditional fusible links by offering reusable protection capabilities across various electronic industries.
Replacement Considerations
Direct substitutes include other Bourns MFR series variants with matching 1.6 A hold current and 30 VDC ratings. Verify that any replacement maintains identical trip times, resistance values, and physical dimensions to ensure compatibility with existing PCB layouts and thermal management designs.
