MF-RX185/72-0-14

$0.57

Description：PTC RESET FUSE 72V 1.85A RADIAL
Series：Multifuse®, MF-RX/72
Mfr：Bourns Inc.
Package：Bulk

SKU:a7d195f1fbd0 Category: PTC Resettable Fuses Brand: Bourns Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 72V 1.85A RADIAL
Series：Multifuse®, MF-RX/72
Mfr：Bourns Inc.
Package：Bulk
Type：Polymeric
Voltage - Max：72V
Current - Hold (Ih) (Max)：1.85 A
Current - Trip (It)：3.7 A
Current - Max：40 A
Time to Trip：12.6 s
Resistance - Initial (Ri) (Min)：80 mOhms
Resistance - Post Trip (R1) (Max)：190 mOhms
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.701" L x 0.122" W (17.80mm x 3.10mm)
Height - Seated (Max)：0.902" (22.90mm)
Thickness (Max)：-
Lead Spacing：0.201" (5.10mm)

Download product information

MF-RX185/72-0-14

Overview

The Bourns MF-RX185/72-0-14 is a radial leaded PTC resettable fuse from the MF-RX/72 series. It features a 1.85 A hold current and a 3.7 A trip current, rated for a maximum voltage of 72 VDC. The device has a maximum resistance of 120 mΩ and a maximum fault current rating of 40 A. It operates within a temperature range of -40°C to +85°C and utilizes a bulk packaging format.

Feature Summary

Provides automatic circuit protection through polymer positive temperature coefficient technology
Offers repeatable thermal response without requiring manual replacement after fault conditions
Designed for direct PCB mounting using radial lead termination style

Applications

Overcurrent protection in consumer electronic devices
Surge protection for telecommunications equipment ports
Circuit safeguarding in industrial control systems

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to ensure correct lead configuration and compliance status. Confirm that the radial lead spacing matches the target printed circuit board layout requirements before finalizing procurement decisions.

Selection Notes

Select this component when a 72 VDC system requires a 1.85 A continuous operating current with a 3.7 A trip threshold. Ensure the application environment remains within the specified -40°C to +85°C operational temperature range for reliable performance.

Part Context

This part belongs to the Bourns MF-RX/72 series of self-resetting fuses. The series provides robust overcurrent protection solutions characterized by low resistance and fast tripping capabilities for various electronic applications.

Replacement Considerations

Consult official substitution guides for compatible alternatives within the same series or voltage class. Verify electrical parameters match exactly before implementing any cross-reference components.

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.