MF-SM050-2 PTC resettable fuse from Bourns, rated 60V with 0.5A hold current. Surface mount in a 2-SMD package, suitable for overcurrent protection.
Mfr Part #:

MF-SM050-2

Available from 4 distributors
Mfr Name: Bourns
Bourns
PTC resettable fuse from Bourns, rated 60V with 0.5A hold current. Surface mount in a 2-SMD package, suitable for overcurrent protection.
Total Stock: 5,397 pcs
$ Price Range: $0.16 - $0.34

MF-SM050-2 Available from 4 distributors

Authorised
Non-Authorised

MF-SM050-2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
California Proposition 65
Current
Halogen Free
Hold Current
Length
Maximum Current
Mounting Type
Operating Temperature
Ratings
Resistance
Resistance - Initial (Rmin)
SVHC Present
Tape & Reel
Thickness (Max)
Time to Trip
Trip Current
Tripped Power Dissipation
Type
Voltage
Width

MF-SM050-2 Description

Short technical summary and product information.

The MF-SM050-2 is a polymeric PTC resettable fuse from Bourns' MF-SM series. It provides overcurrent protection with a hold current of 0.5A and trip current of 1A. Maximum voltage is 60V and maximum fault current is 40A. Initial resistance is typically 0.35Ω, rising to 1.4Ω after tripping. Time to trip is typically 2.5 seconds at 23°C, with 4W power dissipation in tripped state. Operating temperature ranges from -40°C to 85°C. It is surface mounted in a compact 2-SMD package measuring 7.31mm x 5.44mm x 3.18mm. This component is RoHS compliant, lead-free, and halogen-free, with AEC-Q200 qualification for automotive applications. Suitable for use in power supplies, battery protection, and automotive electronics.

MF-SM050-2 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-SM
Canonical Name: MF-SM050-2 PTC Resettable Fuse
Subcategory: Polymeric PTC Resettable Fuse

MF-SM050-2 Compliance

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

MF-SM050-2 Estimated Pricing

Qty Low High
1+ $0.34 $0.34
10+ $0.29 $0.29
50+ $0.26 $0.26
100+ $0.23 $0.23
200+ $0.21 $0.21
500+ $0.20 $0.20
1,000+ $0.19 $0.19
2,000+ $0.18 $0.18
4,000+ $0.16 $0.16

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

MF-SM050-2 Features

  • Hold current of 0.5A at 23°C.
  • Maximum voltage rating of 60V.
  • Surface mount 2-SMD package.
  • AEC-Q200 qualified for automotive.
  • RoHS and halogen free compliant.

MF-SM050-2 Applications

  • Used in overcurrent protection circuits.
  • Ideal for automotive electronics protection.
  • Suitable for battery pack protection.
  • Applicable in power supply units.

MF-SM050-2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the MF-SM050-2?

0.5 A at 23°C.

What is the maximum voltage rating?

60 V.

What is the maximum fault current?

40 A.

What is the time to trip?

Maximum 2.5 seconds at 23°C.

What is the package type?

2-SMD surface mount package.

What is the operating temperature range?

-40°C to 85°C.

Is the MF-SM050-2 RoHS compliant?

Yes, it is RoHS compliant, lead-free, and halogen-free.

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