RUEF400K-2 is out of stock and can be placed on backorder.
Available Substitutes:

Direct

RUEF400-2
Littelfuse Inc.
In Stock: 1,080
Unit Price: $0.71000
Datasheet

Parametric Equivalent

RUEF400K-AP
Littelfuse Inc.
In Stock: 40
Unit Price: $0.71000
Datasheet
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Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
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RUEF400K-2

DigiKey Part Number
RUEF400K-2HFTR-ND - Tape & Reel (TR)
RUEF400K-2HFCT-ND - Cut Tape (CT)
Manufacturer
Littelfuse Inc.
Manufacturer Product Number
RUEF400K-2
Description
PTC RESET FUSE 30V 4A RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 30V 4 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Littelfuse Inc.
Series
PolySwitch®, RUEF
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Part Status
Active
Type
Polymeric
Voltage - Max
30V
Current - Hold (Ih) (Max)
4 A
Current - Trip (It)
8 A
Current - Max
100 A
Time to Trip
12.7 s
Resistance - Initial (Ri) (Min)
10 mOhms
Resistance - Post Trip (R1) (Max)
50 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)
0.839" (21.30mm)
Thickness (Max)
-
Lead Spacing
0.199" (5.05mm)
Approval Agency
CQC, CSA, TUV, UL
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Quantity
All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$0.78000$0.78
5$0.65000$3.25
10$0.59900$5.99
50$0.49720$24.86
100$0.45880$45.88
250$0.41244$103.11
500$0.38038$190.19
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,500$0.30093$451.39
3,000$0.27726$831.78
4,500$0.26421$1,188.94
7,500$0.26413$1,980.97
Manufacturers Standard Package
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.