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Product Detailed Parameters
- Description：PTC RESET FUSE 30V 1.6A RADIAL
- Series：Multifuse®, MF-R
- Mfr：Bourns Inc.
- Package：Tape & Box (TB)
- 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-AP-99 is a PTC resettable fuse from the MFR series, designed for circuit protection. It features a hold current of 1.6 A and a trip current of 3.2 A with an 8-second trip time. The device supports a maximum voltage of 30 VDC and can handle a maximum fault current of 40 A. Its resistance ranges from 55 mΩ to 150 mΩ, with a typical value of 105 mΩ. Operating within a temperature range of -40°C to +85°C, it utilizes radial leads spaced at 5.1 mm. The component measures 10.2 mm in diameter and 16.8 mm in height, housed in a flame-retardant UL94V-0 epoxy case.
Feature Summary
- Provides automatic circuit protection through self-resetting polymeric positive temperature coefficient (PPTC) technology
- Encased in a flame-retardant UL94V-0 epoxy housing for enhanced safety
- Features radial lead termination for standard PCB mounting applications
Applications
- Overcurrent protection in consumer electronics
- Protection circuits in industrial control systems
- Power supply input filtering and safeguarding
Procurement Notes
Verify the specific suffix 'AP-99' against official Bourns documentation, as this variant may indicate obsolete status or specialized packaging not present in standard datasheets. Confirm availability through authorized distributors, noting that some sources list this exact part number as no longer manufactured. Ensure compliance with RoHS standards if required by your application specifications.
Selection Notes
Select this component when a 1.6 A hold current and 30 VDC rating are required for low-voltage circuit protection. Consider the radial package dimensions and 5.1 mm lead spacing for PCB layout compatibility. Evaluate the 40 A maximum fault current capability against potential short-circuit scenarios to ensure adequate safety margins during fault conditions.
Part Context
This component belongs to the Bourns MFR series of PTC resettable fuses, which are widely used for overcurrent protection in various electronic devices. The series offers multiple current ratings and voltage options, providing designers with flexible solutions for protecting sensitive components from damage due to excessive current flow.
Replacement Considerations
Publicly confirmed substitute part numbers for the MF-R160-AP-99 are not available in the provided source material. Consult Bourns technical support or authorized distributors for recommended alternatives if this specific variant is unavailable.
