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MF-RX020/72-0-17
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Product Detailed Parameters
- Description：PTC RESETTABLE 0.2A 72V RADIAL L
- Series：Multifuse®, MF-RX/72
- Mfr：Bourns Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：72V
- Current - Hold (Ih) (Max)：200 mA
- Current - Trip (It)：400 mA
- Current - Max：40 A
- Time to Trip：2.2 s
- Resistance - Initial (Ri) (Min)：1.5 Ohms
- Resistance - Post Trip (R1) (Max)：4.4 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)：0.500" (12.70mm)
- Thickness (Max)：-
- Lead Spacing：0.201" (5.10mm)
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Overview
The MF-RX020/72-0-17 is a resettable fuse from Bourns Inc., designed for overcurrent protection in electronic circuits. It features a polymeric positive temperature coefficient (PPTC) construction that provides automatic reset functionality after fault conditions are cleared. This component operates within a specific voltage and current range, ensuring reliable performance in protecting sensitive components from damage due to excessive current flow.
Feature Summary
- Automatic reset capability eliminates the need for manual replacement after an overcurrent event.
- Polymeric PPTC technology ensures stable resistance characteristics under normal operating conditions.
- Compact form factor allows for easy integration into various electronic devices.
Applications
- Protection of USB ports in computers and peripherals.
- Overcurrent safeguarding in automotive electronics.
- Safety enhancement in consumer appliances with high power consumption.
Procurement Notes
Verify compatibility with your circuit's voltage and current requirements before procurement. Ensure that the selected part number matches the exact specifications needed for your application. Cross-reference datasheets to confirm technical details such as hold current and trip current values.
Selection Notes
Consider the environmental conditions where the device will operate, including temperature ranges and potential exposure to moisture or chemicals. Evaluate the expected lifespan and reliability metrics provided by the manufacturer to ensure long-term performance meets your project needs.
Part Context
This model belongs to Bourns' family of resettable fuses, which are widely used across industries for their robustness and ease of use. The MF-RX series is known for its compact design and efficient protection capabilities, making it suitable for space-constrained applications requiring reliable overcurrent management.
Replacement Considerations
For replacements, consider parts like MF-RX020/72-0-18 if higher current ratings are required. Always verify that any substitute maintains equivalent electrical characteristics and physical dimensions to ensure seamless integration without compromising system integrity.
