MF-RX065/72-AP

$0.26

Description：PTC RESET FUSE 72V 650MA RADIAL
Series：MF-RX/72
Mfr：Bourns Inc.
Package：Tape & Box (TB)

SKU:3742d0139d3b Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 72V 650MA RADIAL
Series：MF-RX/72
Mfr：Bourns Inc.
Package：Tape & Box (TB)
Type：-
Voltage - Max：72V
Current - Hold (Ih) (Max)：650 mA
Current - Trip (It)：1.3 A
Current - Max：40 A
Time to Trip：5.3 s
Resistance - Initial (Ri) (Min)：-
Resistance - Post Trip (R1) (Max)：-
Operating Temperature：-
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.382" Dia x 0.122" W (9.70mm x 3.10mm)
Height - Seated (Max)：0.598" (15.20mm)
Thickness (Max)：-
Lead Spacing：0.201" (5.10mm)

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MF-RX065/72-AP

Overview

The Bourns MF-RX065/72-AP is a radial leaded Polymeric Positive Temperature Coefficient (PPTC) resettable fuse from the Multifuse MF-RX/72 series. Designed for overcurrent protection, this component features a hold current of 650 mA and a trip current of 1.3 A. It operates with a maximum voltage rating of 72 VDC and exhibits an initial resistance of 0.4 Ohms. The device is rated for a power dissipation of 450 mW and functions within a temperature range of -40°C to +85°C. Physical dimensions include a diameter of 7.4 mm, height of 12.7 mm, and length of 7.4 mm, with a lead spacing of 5.1 mm.

Feature Summary

Provides automatic circuit recovery after fault clearance without manual replacement
Offers robust overcurrent protection in high-voltage and high-temperature environments
Eliminates nuisance tripping caused by ambient temperature variations

Applications

Automotive electronics circuit protection
Consumer electronics surge and overcurrent safeguarding
Industrial instrumentation and telecommunications equipment

Procurement Notes

Verify the specific suffix AP against the manufacturer's latest datasheet to confirm packaging type and compliance status. Ensure the selected variant matches the required hold and trip currents for the target application circuit. Cross-reference the part number with official Bourns documentation to validate RoHS directives and agency certifications before finalizing procurement specifications.

Selection Notes

Select this component when designing circuits requiring radial leaded PPTC protection with a 72VDC maximum rating. The 650mA hold current suits low-power signal lines or control circuits. Evaluate the thermal environment to ensure operation remains within the specified -40°C to +85°C range. Confirm that the physical footprint and lead spacing fit the PCB layout constraints effectively.

Part Context

This part belongs to the Bourns Multifuse MF-RX/72 series, which utilizes advanced polymer technology for reliable circuit protection. The series is engineered to provide cost-effective solutions for space-constrained layouts while maintaining high reliability standards across automotive and industrial sectors.