MF-RX012/250-2 The Bourns MF-RX012/250-2 is a radial-leaded PTC resettable fuse designed for circuit protection. It features a 60V maximum operating voltage and a 3A hold current.
Mfr Part #:

MF-RX012/250-2

Available from 1 distributors
Mfr Name: Bourns
Bourns
The Bourns MF-RX012/250-2 is a radial-leaded PTC resettable fuse designed for circuit protection. It features a 60V maximum operating voltage and a 3A hold current.
✓ Total Stock: 20,920 pcs
$ Price Range: $0.99

MF-RX012/250-2 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
20,920 pcs
20920 pcs On Request 1 On Request On Request 14+ On Request On Request

MF-RX012/250-2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Height
Lead Spacing
Lead Style
Length
Mounting Type
Operating Temperature
Resistance
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MF-RX012/250-2 Description

Short technical summary and product information.

The Bourns MF-RX012/250-2 is a PTC resettable fuse from the MF-RX/250 series. It is designed with radial leads for through-hole mounting and has a package type of Radial, Disc. This device offers a maximum operating voltage of 60V and a maximum interrupt rating of 250A.

 

Key electrical characteristics include a hold current (Ihold) of 3A and a trip current (Itrip) of 0.12A, both measured at 23°C. The initial resistance (R1) is a maximum of 0.24 Ohms, and the post-trip resistance is a maximum of 16.0 Ohms. The maximum time to trip is 1.0 second, with a tripped power dissipation of 2.5W at 23°C.

 

Environmental specifications include an operating temperature range of -40°C to +85°C. The fuse has agency recognition from cUL and TÜV. It is RoHS3 compliant and has an MSL rating of 1.

 

Mechanical dimensions include a lead spacing of 5.10mm, a length of 6.50mm, a width of 4.60mm, and a height of 11.00mm.

MF-RX012/250-2 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-RX/250
Canonical Name: Bourns MF-RX012/250-2 PTC Resettable Fuse
Subcategory: PTC Resettable Fuses

MF-RX012/250-2 Compliance

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

MF-RX012/250-2 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

MF-RX012/250-2 Features

  • 60V maximum operating voltage.
  • 3A maximum hold current.
  • 0.12A minimum trip current.
  • Maximum 16.0 Ohms post-trip resistance.
  • Radial leaded, through hole mounting.

MF-RX012/250-2 Applications

  • Suitable for telecom equipment protection circuits.
  • Used in customer premise equipment (CPE).
  • Ideal for central office and telecom center applications.
  • Protects access equipment from overcurrent conditions.

MF-RX012/250-2 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum operating voltage for the MF-RX012/250-2?

The maximum operating voltage is 60V.

What is the hold current for the MF-RX012/250-2?

The hold current (Ihold) is 3A at 23°C.

What is the trip current for the MF-RX012/250-2?

The trip current (Itrip) is a minimum of 0.12A at 23°C.

What is the maximum resistance of the MF-RX012/250-2 after tripping?

The maximum post-trip resistance is 16.0 Ohms.

What is the operating temperature range for this PTC fuse?

The operating temperature range is -40°C to +85°C.

How is the MF-RX012/250-2 mounted?

It is mounted using the through-hole method.

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