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
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
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Category
Time to Trip
12.7 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
10 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
30V
Size / Dimension
0.551" L x 0.118" W (14.00mm x 3.00mm)
Current - Hold (Ih) (Max)
4 A
Height - Seated (Max)
0.839" (21.30mm)
Current - Trip (It)
8 A
Lead Spacing
0.199" (5.05mm)
Current - Max
100 A
Approval Agency
CQC, CSA, TUV, UL
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RUEF400-2Littelfuse Inc.23,869RUEF400-2HFTR-ND$0.95000Direct
PTR030V0400-TR1Eaton - Electronics Division0283-PTR030V0400-TR1TR-ND$0.57904Similar
In-Stock: 4,518
Check for Additional Incoming Stock
All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$0.95000$0.95
5$0.78800$3.94
10$0.72700$7.27
50$0.60340$30.17
100$0.55680$55.68
250$0.50052$125.13
500$0.46164$230.82
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,500$0.34779$521.68
3,000$0.32041$961.23
4,500$0.30793$1,385.68
10,500$0.29050$3,050.25
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