MF-RX250/72-0

$0.61

Description：PTC RESET FUSE 72V 2.5A RADIAL
Series：Multifuse®, MF-RX/72
Mfr：Bourns Inc.
Package：Bulk

SKU:36c04e1dfef5 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 2.5A RADIAL
Series：Multifuse®, MF-RX/72
Mfr：Bourns Inc.
Package：Bulk
Type：Polymeric
Voltage - Max：72V
Current - Hold (Ih) (Max)：2.5 A
Current - Trip (It)：5:00 AM
Current - Max：40 A
Time to Trip：15.6 s
Resistance - Initial (Ri) (Min)：50 mOhms
Resistance - Post Trip (R1) (Max)：130 mOhms
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.839" L x 0.122" W (21.30mm x 3.10mm)
Height - Seated (Max)：1.039" (26.40mm)
Thickness (Max)：-
Lead Spacing：0.402" (10.20mm)

Download product information

MF-RX250/72-0

Overview

The MF-RX250/72-0 is a radial leaded PTC resettable fuse from the Bourns Multifuse MF-RX/72 series. It features a hold current of 2.5 A and a trip current of 5.0 A, with a maximum voltage rating of 72 VDC. The device has a minimum resistance of 0.05 Ohms and supports a maximum fault current of 40 A. It operates within a temperature range of -40°C to +85°C, utilizes a 10.2 mm lead spacing, and dissipates 1 W of power.

Feature Summary

Provides automatic circuit protection by increasing resistance in response to overcurrent conditions
Restores normal operation after cooling following fault clearance without replacement
Designed for PCB mounting with radial leads for through-hole integration

Applications

Overcurrent protection for portable electronic devices
Circuit safeguarding in consumer electronics
Protection for industrial instrumentation circuits
Power supply input protection in telecommunications equipment

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm exact electrical ratings and physical dimensions. Ensure the selected variant matches the required hold current and voltage specifications for the target application. Cross-reference datasheets to confirm compliance with RoHS directives and operating temperature ranges before procurement.

Selection Notes

Select this component based on the required 2.5 A hold current and 72 VDC maximum voltage constraints. Consider the 10.2 mm lead spacing for PCB layout compatibility. Evaluate the thermal environment to ensure operation remains within the specified -40°C to +85°C range. Confirm that the 40 A maximum fault current capability exceeds potential short-circuit levels in the circuit.

Part Context

This part belongs to the Bourns Multifuse MF-RX/72 series of polymer positive temperature coefficient resettable fuses. These components are engineered for high-reliability circuit protection applications requiring repeated overcurrent event handling. The series offers various current ratings while maintaining consistent voltage and package characteristics for design flexibility.