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MF-RX030/72-2-17
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Product Detailed Parameters
- Description：PTC RESETTABLE 0.3A 72V RADIAL L
- Series：Multifuse®, MF-RX/72
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- Type：Polymeric
- Voltage - Max：72V
- Current - Hold (Ih) (Max)：300 mA
- Current - Trip (It)：600 mA
- Current - Max：40 A
- Time to Trip：3 s
- Resistance - Initial (Ri) (Min)：760 mOhms
- Resistance - Post Trip (R1) (Max)：2.1 Ohms
- Operating Temperature：-40°C ~ 85°C
- Grade：Automotive
- Qualification：AEC-Q200
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：Radial, Disc
- Size / Dimension：0.291" Dia x 0.122" T (7.40mm x 3.10mm)
- Height - Seated (Max)：0.528" (13.40mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The Bourns MF-RX030/72-2-17 is a Multifuse PPTC resettable fuse from the MF-RX/72 series, designed for radial leaded PCB mounting. It features a hold current of 300 mA and a trip current of 600 mA, with a maximum voltage rating of 72 VDC. The component exhibits a resistance of 1.36 ohms and operates within a temperature range of -40°C to +85°C. Physical dimensions include a diameter of 7.4 mm and a height of 13.4 mm, with a lead spacing of 5.1 mm.
Feature Summary
- Provides overcurrent protection through polymer positive temperature coefficient (PPTC) technology.
- Offers reliable circuit safeguarding in high-voltage and high-temperature environments.
- Features radial leads for straightforward printed circuit board integration.
Applications
- Automotive circuit protection
- Industrial equipment surge protection
- Communication systems fault protection
Procurement Notes
Verify the specific suffix '-17' against official Bourns documentation to confirm packaging or tape-and-reel specifications. Ensure the component meets RoHS requirements and matches the intended thermal and electrical ratings for the target application environment before finalizing procurement orders.
Selection Notes
Select this component when a 300 mA hold current and 72 VDC rating are required for radial mounting. Consider the 1.36 ohm resistance and physical size constraints. Validate that the operating temperature range of -40°C to +85°C aligns with the system's environmental conditions.
Part Context
This part belongs to the Bourns Multifuse MF-RX/72 series, which specializes in radial leaded PPTC resettable fuses. The series is engineered for robust protection in demanding applications, offering a cost-effective alternative to traditional fuses while providing reusable circuit protection capabilities.
Replacement Considerations
Consult official Bourns substitution guides for confirmed equivalents. Verify that any substitute maintains identical hold current, trip current, and voltage ratings to ensure circuit compatibility and safety compliance.
