MF-RX250-AP-14

Description：PTC RESET FUSE 60V 2.5A RADIAL
Series：Multifuse®, MF-RX
Mfr：Bourns Inc.
Package：Tape & Box (TB)

SKU:e786fbbb9984 Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 60V 2.5A RADIAL
Series：Multifuse®, MF-RX
Mfr：Bourns Inc.
Package：Tape & Box (TB)
Type：Polymeric
Voltage - Max：60V
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" Dia x 0.122" T (21.30mm x 3.10mm)
Height - Seated (Max)：1.050" (26.67mm)
Thickness (Max)：-
Lead Spacing：0.402" (10.20mm)

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MF-RX250-AP-14

Overview

The MF-RX250-AP-14 is a PTC resettable fuse manufactured by Bourns Inc. It features a radial disc package designed for through-hole mounting. The component has a maximum post-trip resistance (R1) of 130 mOhms and operates within a temperature range of -40°C to 85°C. It is classified as a telecom PTC resettable fuse.

Feature Summary

Provides overcurrent protection via positive temperature coefficient technology
Designed for automatic circuit restoration after fault clearance
Constructed in a radial disc form factor for through-hole integration

Applications

Telecommunications equipment circuits
General electronic device power input protection
Overcurrent safeguarding in consumer electronics

Procurement Notes

Verify the specific suffix AP-14 against the official Bourns datasheet to confirm lead time and availability status, as stock levels vary by distributor. Ensure the ordering part number matches the required voltage and current ratings precisely. Confirm RoHS compliance requirements with the supplier before finalizing procurement orders to meet regulatory standards.

Selection Notes

Select this component based on its 60V rating and 2.5A hold current capabilities. Evaluate the 130 mOhms maximum post-trip resistance for voltage drop considerations in the target circuit. Ensure the operating temperature range of -40°C to 85°C aligns with the environmental conditions of the application design.

Part Context

This part belongs to the MF-RX/250 series of telecom PTC resettable fuses from Bourns. The series is engineered for protecting sensitive electronic circuits against overcurrent events. These devices offer a reliable alternative to traditional fuses by providing resettable protection without requiring manual replacement after tripping.

Replacement Considerations

Consult the official Bourns substitution guide for compatible alternatives. Verify that any substitute maintains equivalent voltage, current, and physical dimensions. Cross-reference technical specifications to ensure performance parity in the specific application environment.

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.