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Product Detailed Parameters
- Description：PTC RESET FUSE 30V 1.6A RADIAL
- Series：Multifuse®, MF-R
- Mfr：Bourns Inc.
- Package：Bulk
- 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-R160-0-99 is a radial leaded polymeric positive temperature coefficient (PPTC) resettable fuse from the Multifuse MFR series. It provides overcurrent protection with a hold current of 1.6 A and a trip current of 3.2 A. The device supports a maximum voltage of 30 VDC and a maximum fault current of 40 A. Initial resistance is typically 105 mΩ, ranging up to 150 mΩ. It operates within a temperature range of -40°C to +85°C and features a 5.1 mm lead spacing.
Feature Summary
- Provides automatic circuit protection by increasing resistance significantly during overcurrent events
- Self-resetting functionality restores normal operation after fault conditions are removed
- Radial through-hole construction facilitates standard PCB mounting processes
Applications
- Overcurrent protection for portable electronic devices
- Protection circuits in telecommunications equipment
- Surge protection for automotive electronics
- Power supply input protection in industrial control systems
Procurement Notes
Verify that the ordering suffix matches the required package configuration. Confirm that the hold current and voltage ratings align with the specific circuit design requirements. Ensure compliance with RoHS standards if applicable to the manufacturing process. Cross-reference the datasheet parameters against the intended operating environment temperatures.
Selection Notes
Select this component based on the 1.6 A hold current requirement and 30 VDC maximum voltage limit. Consider the 40 A maximum fault current capability for short-circuit scenarios. Evaluate the thermal environment to ensure operation remains within the specified -40°C to +85°C range. Verify PCB footprint compatibility with the 5.1 mm lead spacing.
Part Context
This part belongs to the Bourns Multifuse MFR series of high-current PTC resettable fuses. The series offers various hold current options for different power levels. The MF-R160 variant specifically targets applications requiring moderate current protection with robust fault handling capabilities in compact radial packages.
Replacement Considerations
The MF-R160-0-99 is functionally equivalent to the MF-R160. Both share identical electrical specifications and physical dimensions. Substitution requires verification of lead spacing and mounting style compatibility with the existing PCB layout.
