MF-SM250-2 Bourns MF-SM250-2 is a surface-mount polymeric PTC resettable fuse rated for 15V max voltage, 2.5A hold current, and 5.0A trip current.
Mfr Part #:

MF-SM250-2

Available from 2 distributors
Mfr Name: Bourns
Bourns
Bourns MF-SM250-2 is a surface-mount polymeric PTC resettable fuse rated for 15V max voltage, 2.5A hold current, and 5.0A trip current.
Total Stock: 2,047 pcs
$ Price Range: $0.17 - $0.41

MF-SM250-2 Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,190 pcs
1190 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
857 pcs
857 pcs On Request 1 On Request On Request On Request On Request On Request

MF-SM250-2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
AEC-Q200
Agency Approvals
Automotive Grade
Current
Halogen Free
Length
Max Current
Mounting Type
Operating Temperature
Prop 65
Ratings
Resistance
Resistance - Min
Tape & Reel
Thickness (Max)
Time to Trip
Trip Current
Tripped Power Dissipation
Type
Voltage
Width

MF-SM250-2 Description

Short technical summary and product information.

The Bourns MF-SM250-2 is a polymeric PTC resettable fuse from the MF-SM series, designed for overcurrent protection in electronic circuits. It features a hold current of 2.5 A and a trip current of 5.0 A at 23 °C, with a maximum voltage rating of 15 V and a maximum interrupt current of 100 A. The device has a minimum resistance of 24 mΩ and a maximum resistance of 85 mΩ, with a typical tripped power dissipation of 1.9 W. The time to trip at 8.0 A is 25 seconds maximum.

 

This resettable fuse is housed in a 2-SMD surface-mount package measuring 8.75 mm in length, 6.71 mm in width, and 3.00 mm in thickness. It operates over a temperature range of -40 °C to +85 °C. The MF-SM250-2 is RoHS3 compliant, lead free, and halogen free, with agency approvals from cUL and TÜV. It is suitable for automated assembly and is compatible with current industry standards.

MF-SM250-2 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-SM250
Canonical Name: Bourns MF-SM250-2 PTC Resettable Fuse
Subcategory: Surface Mount Polymeric PTC

MF-SM250-2 Compliance

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

MF-SM250-2 Estimated Pricing

Qty Low High
1+ $0.41 $0.41
10+ $0.38 $0.38
50+ $0.31 $0.31
100+ $0.29 $0.29
250+ $0.24 $0.24
500+ $0.22 $0.22
1,000+ $0.21 $0.21
3,000+ $0.19 $0.19
6,000+ $0.17 $0.17

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

MF-SM250-2 Features

  • 2.5A hold current, 5.0A trip current.
  • 15V maximum voltage, 100A interrupt rating.
  • Surface mount 2-SMD package.
  • RoHS3 compliant, lead free, halogen free.
  • cUL and TÜV agency approved.

MF-SM250-2 Applications

  • Overcurrent protection in power supplies.
  • Protection for battery charging circuits.
  • Used in automotive and industrial electronics.
  • Suitable for portable electronic devices.

MF-SM250-2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the MF-SM250-2?

The hold current is 2.5 A at 23 °C.

What is the trip current of the MF-SM250-2?

The trip current is 5.0 A at 23 °C.

What is the maximum voltage rating?

The maximum voltage is 15 V.

What is the maximum interrupt current?

The maximum interrupt current is 100 A.

What is the operating temperature range?

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

What package does the MF-SM250-2 come in?

It comes in a 2-SMD surface mount package.

Is the MF-SM250-2 RoHS compliant?

Yes, it is RoHS3 compliant, lead free, and halogen free.

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