MF-USMF050-2 PTC resettable fuse from Bourns with 0.5A hold current and 1.0A trip current. Rated for 13.2V max voltage and 40A max current in a 1210 surface mount package.
Mfr Part #:

MF-USMF050-2

Available from 1 distributors
Mfr Name: Bourns
Bourns
PTC resettable fuse from Bourns with 0.5A hold current and 1.0A trip current. Rated for 13.2V max voltage and 40A max current in a 1210 surface mount package.
Total Stock: 1,514 pcs
$ Price Range: $0.15 - $0.35

MF-USMF050-2 Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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1,514 pcs
1514 pcs On Request 1 On Request On Request On Request On Request On Request

MF-USMF050-2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
AEC-Q200
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-USMF050-2 Description

Short technical summary and product information.

The Bourns MF-USMF050-2 is a polymeric PTC resettable fuse designed for overcurrent protection in electronic circuits. It features a hold current of 0.5 A at 23°C and a trip current of 1.0 A, with a maximum voltage rating of 13.2 V and a maximum interrupt current of 40 A.

 

This device offers fast tripping with a typical time to trip of 0.1 seconds at 8 A. The resistance ranges from 0.18 Ω minimum to 0.9 Ω maximum at 23°C, and tripped power dissipation is typically 0.6 W. It is AEC-Q200 compliant for automotive applications and is RoHS and halogen free.

 

The MF-USMF050-2 is housed in a 1210 (3225 metric) surface mount package with dimensions 3.22 mm length, 2.58 mm width, and 0.85 mm maximum thickness. It operates over a temperature range of -40°C to 85°C. This component is suitable for automated assembly and is available in tape and reel packaging.

MF-USMF050-2 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-USMF
Canonical Name: Bourns MF-USMF050-2 PTC Resettable Fuse, 0.5A Hold, 1.0A Trip, 13.2V, 1210 Package
Subcategory: Surface Mount PTC

MF-USMF050-2 Compliance

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

MF-USMF050-2 Estimated Pricing

Qty Low High
1+ $0.35 $0.35
10+ $0.32 $0.32
50+ $0.27 $0.27
100+ $0.24 $0.24
250+ $0.22 $0.22
500+ $0.20 $0.20
1,000+ $0.18 $0.18
3,000+ $0.16 $0.16
6,000+ $0.15 $0.15

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

MF-USMF050-2 Features

  • 0.5 A hold current with 1.0 A trip current.
  • Rated for 13.2 V maximum voltage and 40 A.
  • Fast tripping in 0.1 seconds at 8 A.
  • AEC-Q200 compliant for automotive use.
  • Surface mount 1210 package for automated assembly.

MF-USMF050-2 Applications

  • Overcurrent protection in automotive electronics.
  • Used in battery charging and protection circuits.
  • Ideal for power supply output protection.
  • Suitable for portable device circuit protection.

MF-USMF050-2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the MF-USMF050-2?

0.5 A at 23°C.

What is the trip current?

1.0 A at 23°C.

What is the maximum voltage rating?

13.2 V.

What is the maximum interrupt current?

40 A.

What is the time to trip?

0.1 seconds at 8 A.

What is the package size?

1210 (3225 metric) surface mount package.

Is this component AEC-Q200 compliant?

Yes, it is AEC-Q200 compliant.

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