Polymeric PTC Resettable Fuse 30V 4 A Ih Through Hole Radial, Disc
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Polymeric PTC Resettable Fuse 30V 4 A Ih Through Hole Radial, Disc
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

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
17 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
Product Questions and Answers

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In-Stock: 246
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Quantity
All prices are in EUR
Cut Tape (CT)
QuantityUnit PriceExt Price
10,70000 €0,70 €
50,58000 €2,90 €
100,53500 €5,35 €
500,44380 €22,19 €
1000,40940 €40,94 €
2500,36804 €92,01 €
5000,33946 €169,73 €
Tape & Reel (TR)
QuantityUnit PriceExt Price
1.5000,25576 €383,64 €
3.0000,23564 €706,92 €
4.5000,22455 €1.010,48 €
7.5000,22448 €1.683,60 €
Manufacturers Standard Package
Unit Price without VAT:0,70000 €
Unit Price with VAT:0,83300 €