RUEF500K is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Littelfuse Inc.
In Stock: 17,105
Unit Price: $0.94000
Datasheet

Direct


Littelfuse Inc.
In Stock: 219
Unit Price: $0.92000
Datasheet

Similar


Eaton - Electronics Division
In Stock: 0
Unit Price: $0.59136
Datasheet
Polymeric PTC Resettable Fuse 30V 5 A 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 30V 5 A Ih Through Hole Radial, Disc
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RUEF500K

DigiKey Part Number
RUEF500KHF-ND
Manufacturer
Manufacturer Product Number
RUEF500K
Description
PTC RESET FUSE 30V 5A RADIAL
Manufacturer Standard Lead Time
17 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 30V 5 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
14.5 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
10 mOhms
Series
Resistance - Post Trip (R1) (Max)
50 mOhms
Packaging
Bag
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
Through Hole
Type
Polymeric
Package / Case
Radial, Disc
Voltage - Max
30V
Size / Dimension
0.551" L x 0.118" W (14.00mm x 3.00mm)
Current - Hold (Ih) (Max)
5 A
Height - Seated (Max)
1.008" (25.60mm)
Current - Trip (It)
10 A
Lead Spacing
0.400" (10.15mm)
Current - Max
100 A
Approval Agency
CQC, CSA, TUV, UL
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RUEF500Littelfuse Inc.17,105RUEF500HF-ND$0.94000Direct
RUEF500-1Littelfuse Inc.219RUEF500-1HF-ND$0.92000Direct
PTR030V0500-TR1Eaton - Electronics Division0283-PTR030V0500-TR1TR-ND$0.59136Similar
In-Stock: 0
250 estimated in stock on 14-Dec-2026
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All prices are in USD
Bag
QuantityUnit PriceExt Price
1$0.88000$0.88
5$0.73200$3.66
10$0.67600$6.76
50$0.56040$28.02
100$0.51710$51.71
250$0.46480$116.20
500$0.42866$214.33
1,000$0.39518$395.18
5,000$0.33825$1,691.25
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.