RKEF500-2 is out of stock and can be placed on backorder.
Available Substitutes:

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Bel Fuse Inc.
In Stock: 0
Unit Price: $1.29000
Datasheet
Polymeric PTC Resettable Fuse 60V 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 60V 5 A Ih Through Hole Radial, Disc
Basics of NTC and PTC Thermistors - Another Teaching Moment

RKEF500-2

DigiKey Part Number
18-RKEF500-2TR-ND - Tape & Reel (TR)
18-RKEF500-2CT-ND - Cut Tape (CT)
Manufacturer
Manufacturer Part Number
RKEF500-2
Description
PTC RESET FUSE 60V 5A RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 60V 5 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
28 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
12 mOhms
Series
Resistance - Post Trip (R1) (Max)
50 mOhms
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
Through Hole
Type
Polymeric
Package / Case
Radial, Disc
Voltage - Max
60V
Size / Dimension
1.140" L x 0.120" W (29.00mm x 3.00mm)
Current - Hold (Ih) (Max)
5 A
Height - Seated (Max)
1.142" (29.00mm)
Current - Trip (It)
10 A
Lead Spacing
0.400" (10.15mm)
Current - Max
40 A
Approval Agency
CSA, TUV, UL
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
0ZRP0500FF2ABel Fuse Inc.05923-0ZRP0500FF2ATR-ND$1.29000Similar
In-Stock: 0
1,000 estimated in stock on 26-Apr-2027
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All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$1.41000$1.41
5$1.36200$6.81
10$1.27400$12.74
50$1.05400$52.70
100$0.87830$87.83
250$0.85632$214.08
500$0.72460$362.30
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000$0.60796$607.96
2,000$0.56006$1,120.12
3,000$0.54350$1,630.50
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