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

RKEF250K

DigiKey Part Number
RKEF250KHF-ND
Manufacturer
Manufacturer Product Number
RKEF250K
Description
PTC RESET FUSE 60V 2.5A RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 60V 2.5 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
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)
2.5 A
Current - Trip (It)
5 A
Current - Max
40 A
Time to Trip
15.6 s
Resistance - Initial (Ri) (Min)
40 mOhms
Resistance - Post Trip (R1) (Max)
140 mOhms
Operating Temperature
-40°C ~ 85°C
Ratings
-
Mounting Type
Through Hole
Package / Case
Radial, Disc
Size / Dimension
0.551" L x 0.118" W (14.00mm x 3.00mm)
Height - Seated (Max)
0.902" (22.90mm)
Thickness (Max)
-
Lead Spacing
0.199" (5.05mm)
Approval Agency
CSA, TUV, UL
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

In-Stock: 2.874
Check for Additional Incoming Stock
All prices are in RON
Bag
QuantityUnit PriceExt Price
13,10000 lei3,10 lei
52,56400 lei12,82 lei
102,36300 lei23,63 lei
501,95940 lei97,97 lei
1001,80810 lei180,81 lei
2501,62540 lei406,35 lei
5001,49906 lei749,53 lei
1.0001,38212 lei1.382,12 lei
5.0001,15704 lei5.785,20 lei
Manufacturers Standard Package
Unit Price without VAT:3,10000 lei
Unit Price with VAT:3,75100 lei