MF-RX375

Description：PTC RESET FUSE 60V 3.75A RADIAL
Series：Multifuse®, MF-RX
Mfr：Bourns Inc.
Package：Bulk

SKU:3ecf504598b7 Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 60V 3.75A RADIAL
Series：Multifuse®, MF-RX
Mfr：Bourns Inc.
Package：Bulk
Type：Polymeric
Voltage - Max：60V
Current - Hold (Ih) (Max)：3.75 A
Current - Trip (It)：7.5 A
Current - Max：40 A
Time to Trip：24 s
Resistance - Initial (Ri) (Min)：30 mOhms
Resistance - Post Trip (R1) (Max)：80 mOhms
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：1.118" L x 0.122" W (28.40mm x 3.10mm)
Height - Seated (Max)：1.319" (33.50mm)
Thickness (Max)：-
Lead Spacing：0.402" (10.20mm)

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MF-RX375

Overview

The Bourns MF-RX375 is a radial leaded PTC resettable fuse from the MF-RX/72 series. It features a 3.75 A hold current and a 72 VDC maximum voltage rating. The trip current is specified at 7.5 A, with a maximum rated current of 40 A. Electrical resistance ranges between 30 mΩ and 80 mΩ. The component operates within a temperature range of -40°C to +85°C and has a power dissipation rating of 3.2 W.

Feature Summary

Provides automatic circuit protection through self-resetting polymer positive temperature coefficient technology
Offers dual certification for UL and RoHS compliance standards
Designed for PCB mounting using a radial leaded termination style

Applications

Overcurrent protection in consumer electronics circuits
Surge protection for automotive electronic systems
Circuit safeguarding in industrial control equipment

Procurement Notes

Verify the specific suffix designation (e.g., -0-14) against the official Bourns datasheet to confirm exact physical dimensions and packaging configuration. Ensure the selected variant matches the required hold current and voltage ratings for the target application circuit design.

Selection Notes

Select this component when a radial leaded form factor is required for through-hole PCB assembly. The 72V rating suits low-voltage DC applications. Verify that the ambient operating temperature remains within the specified -40°C to +85°C range to ensure reliable tripping characteristics.

Part Context

This part belongs to the Bourns MF-RX/72 series of resettable fuses. The series is characterized by compact radial packages suitable for space-constrained board layouts. These devices serve as reusable alternatives to traditional one-time fusible links in various commercial and industrial power distribution networks.

Replacement Considerations

Consult the official Bourns replacement guide for direct equivalents. Generic substitutes may differ in trip time or physical footprint. Verify compatibility with existing PCB hole spacing and thermal requirements before substitution.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.