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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 MF-R160-2-99 is a polymeric PTC resettable fuse from the Bourns Multifuse MF-R series. It features a 30V maximum voltage rating and a 1.6A hold current, with a trip current of 3.2A occurring within 8 seconds. The device exhibits a minimum resistance of 0.055Ω and a maximum resistance of 150mΩ, supporting a power dissipation of 0.9W. Designed for through-hole radial disc mounting, it measures 10.2mm in length and 3mm in height. The component operates reliably within a temperature range of -40°C to 85°C and complies with UL and RoHS standards.
Feature Summary
- Polymeric positive temperature coefficient construction for automatic circuit protection
- Radial leaded disc package designed for through-hole PCB mounting
- Self-resetting functionality eliminates the need for manual replacement after fault clearance
Applications
- Overcurrent protection for portable electronic devices
- Circuit safeguarding in telecommunications equipment
- Protection for battery packs and power supply inputs
Procurement Notes
Verify component availability status carefully as this specific part number is listed as obsolete by major distributors. Confirm if alternative package types or updated series variants are available from the manufacturer. Ensure that any substitute components meet the original electrical requirements including hold current, trip time, and voltage ratings. Check for compliance with relevant safety certifications required for the target application.
Selection Notes
Select this component based on its specific 1.6A hold current and 30V rating for low-voltage DC circuits. Consider the radial disc form factor for through-hole assembly processes. Evaluate the thermal environment to ensure operation remains within the specified -40°C to 85°C range. Assess the maximum resistance value to confirm it does not introduce excessive voltage drop in the protected circuit path.
Part Context
This component belongs to the Bourns Multifuse MF-R series, which provides general-purpose overcurrent protection solutions. The series utilizes polymeric technology to offer reliable circuit interruption and recovery. These fuses are commonly integrated into consumer electronics and industrial control systems where compact size and resettable functionality are required for maintaining system uptime.
Replacement Considerations
DigiKey lists this product as obsolete and directs users to view substitutes or alternative package types. Verify compatible replacements that match the 1.6A hold current and 30V rating. Ensure substitute parts maintain the radial disc package style if through-hole mounting is mandatory.
