RXEF050S is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Littelfuse Inc.
In Stock: 5,996
Unit Price: $0.59000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 2,860
Unit Price: $0.43000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 2,000
Unit Price: $0.33000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.45000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.49000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.43000
Datasheet

Parametric Equivalent


Bourns Inc.
In Stock: 0
Unit Price: $0.75000
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Parametric Equivalent


Bourns Inc.
In Stock: 0
Unit Price: $0.29164
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Parametric Equivalent


Bourns Inc.
In Stock: 0
Unit Price: $0.30553
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Parametric Equivalent


Bourns Inc.
In Stock: 0
Unit Price: $0.71000
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Parametric Equivalent


Bourns Inc.
In Stock: 0
Unit Price: $0.30553
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
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

RXEF050S

DigiKey Part Number
RXEF050SHF-ND
Manufacturer
Manufacturer Part Number
RXEF050S
Description
PTC RESET FUSE 72V 500MA RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 72V 500 mA Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
4 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
500 mOhms
Series
Resistance - Post Trip (R1) (Max)
1.17 Ohms
Packaging
Bag
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
Through Hole
Type
Polymeric
Package / Case
Radial, Disc
Voltage - Max
72V
Size / Dimension
0.311" Dia x 0.118" T (7.90mm x 3.00mm)
Current - Hold (Ih) (Max)
500 mA
Height - Seated (Max)
0.539" (13.70mm)
Current - Trip (It)
1 A
Lead Spacing
0.199" (5.05mm)
Current - Max
40 A
Approval Agency
CQC, CSA, TUV, UL
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (11)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
72R050XPRLittelfuse Inc.5,99618-72R050XPRCT-ND$0.59000Parametric Equivalent
RXEF050S-APLittelfuse Inc.2,860RXEF050S-APHFCT-ND$0.43000Parametric Equivalent
RXEF050-APLittelfuse Inc.2,000RXEF050-APHFCT-ND$0.33000Parametric Equivalent
RXEF050Littelfuse Inc.0RXEF050HF-ND$0.45000Parametric Equivalent
RXEF050-1Littelfuse Inc.0RXEF050-1-ND$0.49000Parametric Equivalent
In-Stock: 0
500 estimated in stock on 01-Apr-2027
Request Stock Notification
All prices are in USD
Bag
QuantityUnit PriceExt Price
1$0.45000$0.45
5$0.37400$1.87
10$0.34500$3.45
50$0.28600$14.30
100$0.26400$26.40
250$0.23732$59.33
500$0.21890$109.45
1,000$0.20186$201.86
5,000$0.16697$834.85
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