MF-R050-AP Bourns MF-R050-AP is a polymeric PTC resettable fuse rated for 60V max and 500mA hold current, with a 4-second trip time. It comes in a through-hole radial disc package.
Mfr Part #:

MF-R050-AP

Available from 1 distributors
Mfr Name: Bourns
Bourns
Bourns MF-R050-AP is a polymeric PTC resettable fuse rated for 60V max and 500mA hold current, with a 4-second trip time. It comes in a through-hole radial disc package.
Total Stock: 4,000 pcs
$ Price Range: $0.21 - $0.59

MF-R050-AP 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
Non-Authorised Inventory information
4,000 pcs
4000 pcs On Request 1 On Request On Request On Request On Request On Request

MF-R050-AP Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Height
Lead Spacing
Lead Style
Mounting Type
Operating Temperature
Resistance
SVHC Present
Storage Temperature
Tape & Reel
Time to Trip
Type
Voltage

MF-R050-AP Description

Short technical summary and product information.

The Bourns MF-R050-AP is a polymeric positive temperature coefficient (PTC) resettable fuse designed for overcurrent protection in electronic circuits. It has a maximum voltage rating of 60V and a hold current of 500mA, with a trip current of 1.00A. The device trips within 4 seconds at 2.5A, providing reliable circuit protection.

 

Key electrical specifications include a post-trip resistance of 1.17 ohms maximum at 23°C, and an initial resistance range of 0.41 ohms minimum to 0.77 ohms maximum. The maximum interrupt current is 40A, and typical tripped power dissipation is 0.75W. The operating temperature range is -40°C to 85°C.

 

The MF-R050-AP is housed in a radial disc package with a diameter of 0.311 inches (7.90mm) and a thickness of 0.122 inches (3.10mm). It features through-hole mounting with a lead spacing of 5.10mm and a seated height of 13.70mm. The device is RoHS compliant and lead-free.

MF-R050-AP Quick Information

Product Type: PTC Resettable Fuse
Series: MF-R050
Canonical Name: Bourns MF-R050-AP PTC Resettable Fuse
Subcategory: Polymeric PTC

MF-R050-AP Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 70
REACH Status: REACH Unaffected
Lead Free: Yes

MF-R050-AP Estimated Pricing

Qty Low High
1+ $0.59 $0.59
10+ $0.47 $0.47
50+ $0.44 $0.44
100+ $0.33 $0.33
200+ $0.31 $0.31
500+ $0.29 $0.29
1,000+ $0.26 $0.26
2,000+ $0.24 $0.24
4,000+ $0.21 $0.21

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

MF-R050-AP Features

  • 60V maximum voltage rating.
  • 500mA hold current rating.
  • 4-second trip time at 2.5A.
  • Through-hole radial disc package.
  • RoHS compliant and lead-free.

MF-R050-AP Applications

  • Overcurrent protection in power supplies.
  • Protection for motors and transformers.
  • Used in battery charging circuits.
  • Ideal for consumer electronics.

MF-R050-AP FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the Bourns MF-R050-AP?

The hold current is 500 mA.

What is the maximum voltage rating?

The maximum voltage is 60 V.

How long does it take to trip?

The time to trip is 4 seconds at 2.5A.

What is the post-trip resistance?

The maximum post-trip resistance is 1.17 ohms at 23°C.

What is the operating temperature range?

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

What package does the MF-R050-AP come in?

It comes in a radial disc package with through-hole mounting.

Is the MF-R050-AP RoHS compliant?

Yes, it is marked as RoHS compliant.

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