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RKEF Type
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
RKEF Type
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

RKEF050

DigiKey Part Number
RKEF050HF-ND
Manufacturer
Manufacturer Product Number
RKEF050
Description
PTC RESET FUSE 60V 500MA RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 60V 500 mA Ih Through Hole Radial, Disc
Datasheet
 Datasheet
EDA/CAD Models
RKEF050 Models
Product Attributes
Type
Description
Select All
Category
Manufacturer
Littelfuse Inc.
Series
Packaging
Bag
Part Status
Active
Type
Polymeric
Voltage - Max
60V
Current - Hold (Ih) (Max)
500 mA
Current - Trip (It)
1 A
Current - Max
40 A
Time to Trip
800 ms
Resistance - Initial (Ri) (Min)
320 mOhms
Resistance - Post Trip (R1) (Max)
900 mOhms
Operating Temperature
-40°C ~ 85°C
Ratings
-
Mounting Type
Through Hole
Package / Case
Radial, Disc
Size / Dimension
0.280" L x 0.140" W (7.10mm x 3.56mm)
Height - Seated (Max)
0.450" (11.43mm)
Thickness (Max)
-
Lead Spacing
0.199" (5.05mm)
Approval Agency
CSA, TUV, UL
Product Questions and Answers

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All prices are in USD
Bag
QuantityUnit PriceExt Price
1$0.51000$0.51
5$0.42000$2.10
10$0.38800$3.88
50$0.32200$16.10
100$0.29720$29.72
250$0.26720$66.80
500$0.24646$123.23
1,000$0.22727$227.27
5,000$0.18795$939.75
Manufacturers Standard Package