MF-R250-0-10-99

Description：PTC RESET FUSE 30V 2.5A RADIAL
Series：Multifuse®, MF-R
Mfr：Bourns Inc.
Package：Bulk

SKU:114a6ed40057 Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 30V 2.5A RADIAL
Series：Multifuse®, MF-R
Mfr：Bourns Inc.
Package：Bulk
Type：Polymeric
Voltage - Max：30V
Current - Hold (Ih) (Max)：2.5 A
Current - Trip (It)：5:00 AM
Current - Max：40 A
Time to Trip：10.3 s
Resistance - Initial (Ri) (Min)：25 mOhms
Resistance - Post Trip (R1) (Max)：70 mOhms
Resistance - 25°C (Typ)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.472" L x 0.118" W (12.00mm x 3.00mm)
Height - Seated (Max)：0.720" (18.30mm)
Thickness (Max)：-
Lead Spacing：0.201" (5.10mm)

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MF-R250-0-10-99

Overview

The Bourns MF-R250-0-10-99 is a radial leaded PPTC resettable fuse from the MF-R series. It features a hold current of 2.5A and a trip current of 5.0A. The device has a maximum voltage rating of 30V and a maximum fault current capacity of 40A. Its resistance is specified at 48 milliohms. The component operates within a temperature range of -40°C to +85°C, with a lead spacing of 5.1mm.

Feature Summary

Provides automatic circuit protection through self-resetting polymer positive temperature coefficient technology
Offers robust overcurrent safeguarding for sensitive electronic components
Designed for reliable performance in PCB mounted applications

Applications

Consumer electronics power supply circuits
Industrial control system protection
Telecommunications equipment interfaces

Procurement Notes

Verify the specific suffix configuration against official documentation to ensure correct packaging and tolerance specifications. Confirm RoHS compliance status as required by project standards. Check for obsolescence notices or recommended new design alternatives due to potential lifecycle changes.

Selection Notes

Select this component based on its 2.5A hold current and 30V rating requirements. Ensure the application environment stays within the -40°C to +85°C operational limits. Verify that the 48 milliohm resistance meets the circuit's power loss constraints.

Part Context

This part belongs to the Bourns Multifuse MF-R series of resettable fuses. These devices utilize polymeric technology to provide reusable overcurrent protection. The series is widely used across various industries for circuit safeguarding where standard fuses are impractical.

Replacement Considerations

Consult official Bourns documentation for direct cross-reference substitutes. Verify that any alternative maintains identical electrical ratings and physical dimensions.

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.