MF-R050 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Littelfuse Inc.
In Stock: 0
Unit Price: $0.65000
Datasheet

Similar


Littelfuse Inc.
In Stock: 0
Unit Price: $0.76000
Datasheet

Direct


Eaton - Electronics Division
In Stock: 0
Unit Price: $0.66000
Datasheet

Similar


Bel Fuse Inc.
In Stock: 0
Unit Price: $0.26000
Datasheet
Polymeric PTC Resettable Fuse 60V 500 mA Ih Through Hole Radial, Disc
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Polymeric PTC Resettable Fuse 60V 500 mA Ih Through Hole Radial, Disc
Basics of NTC and PTC Thermistors - Another Teaching Moment

MF-R050

DigiKey Part Number
MF-R050-ND
Manufacturer
Manufacturer Product Number
MF-R050
Description
PTC RESET FUSE 60V 500MA RADIAL
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 60V 500 mA Ih Through Hole Radial, Disc
Datasheet
 Datasheet
EDA/CAD Models
MF-R050 Models
Product Attributes
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Category
Resistance - Initial (Ri) (Min)
410 mOhms
Manufacturer
Bourns Inc.
Resistance - Post Trip (R1) (Max)
1.17 Ohms
Series
Operating Temperature
-40°C ~ 85°C
Packaging
Bulk
Mounting Type
Through Hole
Part Status
Active
Package / Case
Radial, Disc
Type
Polymeric
Size / Dimension
0.311" Dia x 0.122" T (7.90mm x 3.10mm)
Voltage - Max
60V
Height - Seated (Max)
0.539" (13.70mm)
Current - Hold (Ih) (Max)
500 mA
Lead Spacing
0.201" (5.10mm)
Current - Trip (It)
1 A
Approval Agency
cURus, TUV
Current - Max
40 A
Base Product Number
Time to Trip
4 s
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (4)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
60R050XULittelfuse Inc.0F2006-ND$0.65000Direct
60R050XPRLittelfuse Inc.0F1989CT-ND$0.76000Similar
PTR060V0050-TREaton - Electronics Division0283-PTR060V0050-TR-ND$0.66000Direct
0ZRC0050FF1EBel Fuse Inc.05923-0ZRC0050FF1E-ND$0.26000Similar
In-Stock: 0
500 estimated in stock on 19-Nov-2026
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All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$0.45000$0.45
5$0.37400$1.87
10$0.34500$3.45
50$0.28580$14.29
100$0.26380$26.38
250$0.23716$59.29
500$0.21878$109.39
1,000$0.20177$201.77
5,000$0.16692$834.60
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.