MF-RX050/72-AP is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Bourns Inc.
In Stock: 531
Unit Price: $0.78000
Datasheet

Parametric Equivalent


Bourns Inc.
In Stock: 0
Unit Price: $0.32340
Datasheet

Parametric Equivalent


Bourns Inc.
In Stock: 0
Unit Price: $0.33880
Datasheet

Parametric Equivalent


Bourns Inc.
In Stock: 0
Unit Price: $0.33880
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 68,885
Unit Price: $0.52000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 17,288
Unit Price: $0.62000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 14,561
Unit Price: $0.62000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 6,985
Unit Price: $0.76000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 6,020
Unit Price: $0.56000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 2,812
Unit Price: $0.62000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 1,006
Unit Price: $0.49000
Datasheet
Polymeric PTC Resettable Fuse 72V 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 72V 500 mA Ih Through Hole Radial, Disc
Basics of NTC and PTC Thermistors - Another Teaching Moment

MF-RX050/72-AP

DigiKey Part Number
MF-RX050/72-APCT-ND - Cut Tape (CT)
MF-RX050/72-APTB-ND - Tape & Box (TB)
Manufacturer
Manufacturer Product Number
MF-RX050/72-AP
Description
PTC RESET FUSE 72V 500MA RADIAL
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 72V 500 mA Ih Through Hole Radial, Disc
Datasheet
 Datasheet
EDA/CAD Models
MF-RX050/72-AP 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
Cut Tape (CT)
Tape & Box (TB)
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
72V
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 (11)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MF-RX050/72-0Bourns Inc.531MF-RX050/72-0-ND$0.78000Parametric Equivalent
MF-RX050/72-0-17Bourns Inc.0118-MF-RX050/72-0-17-ND$0.32340Parametric Equivalent
MF-RX050/72-2-17Bourns Inc.0118-MF-RX050/72-2-17TR-ND$0.33880Parametric Equivalent
MF-RX050/72-AP-17Bourns Inc.0118-MF-RX050/72-AP-17TB-ND$0.33880Parametric Equivalent
RXEF050Littelfuse Inc.68,885RXEF050HF-ND$0.52000Parametric Equivalent
In-Stock: 0
2,000 estimated in stock on 30-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$0.82000$0.82
5$0.67800$3.39
10$0.62600$6.26
50$0.51920$25.96
100$0.47910$47.91
250$0.43064$107.66
500$0.39718$198.59
1,000$0.36619$366.19
Tape & Box (TB)
QuantityUnit PriceExt Price
2,000$0.33748$674.96
4,000$0.31085$1,243.40
6,000$0.29618$1,777.08
10,000$0.27858$2,785.80
14,000$0.26750$3,745.00
20,000$0.26250$5,250.00
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.