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MF-RX250 Bourns MF-RX250 is a polymeric PTC resettable fuse with 60V max voltage and 2.5A hold current. It comes in a radial disc through-hole package.
Mfr Part #:

MF-RX250

Available from 2 distributors
Mfr Name: Bourns
Bourns
Bourns MF-RX250 is a polymeric PTC resettable fuse with 60V max voltage and 2.5A hold current. It comes in a radial disc through-hole package.
✓ Total Stock: 3,210 pcs

MF-RX250 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
AA2DE ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
210 pcs
On Request
210 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MF-RX250 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Height
Lead Spacing
Length
Mounting Type
Operating Temperature
Resistance
Tape & Reel
Time to Trip
Type
Voltage
Width
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MF-RX250 Description

Short technical summary and product information.

The Bourns MF-RX250 is a polymeric PTC resettable fuse designed for overcurrent protection in electronic circuits. It features a maximum voltage rating of 60V and a hold current of 2.5A. The low initial resistance of 130 mΩ minimizes power dissipation under normal operation. The device has a time to trip of 15.6 seconds under fault conditions.

 

It operates over a wide temperature range from -40°C to 85°C. The component is through-hole mounted in a radial disc package with a lead spacing of 10.20 mm. Its dimensions are 21.30 mm length, 3.10 mm width, and 26.40 mm height. The MF-RX250 is suitable for applications requiring automatic reset after an overcurrent event.

MF-RX250 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-RX/250
Canonical Name: Bourns MF-RX250 PTC Resettable Fuse, 60V, 2.5A, Through Hole, Radial Disc
Subcategory: Polymeric PTC Resettable Fuse

MF-RX250 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MF-RX250 Features

  • Polymeric PTC resettable fuse technology.
  • Rated for 60V maximum voltage.
  • Hold current rating of 2.5A.
  • Low initial resistance of 130 mΩ.

MF-RX250 Applications

  • Overcurrent protection in power supplies.
  • Used in battery pack protection circuits.
  • Suitable for motor protection applications.
  • Applied in telecommunications equipment.

MF-RX250 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current rating of the MF-RX250?

The hold current is 2.5 A.

What is the maximum voltage rating?

The maximum voltage is 60 V.

What is the package type?

Radial disc through-hole package.

What is the time to trip?

The time to trip is 15.6 seconds.

What is the operating temperature range?

-40°C to 85°C.

What is the initial resistance?

130 mΩ.

What is the lead spacing?

10.20 mm (0.402 inches).

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