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-AP

DigiKey Part Number
RUEF400K-APCT-ND - Cut Tape (CT)
RUEF400K-APTB-ND - Tape & Box (TB)
Manufacturer
Manufacturer Product Number
RUEF400K-AP
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
Cut Tape (CT)
Tape & Box (TB)
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 (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RUEF400Littelfuse Inc.20,021RUEF400HF-ND$5.51000Parametric Equivalent
RUEF400-1Littelfuse Inc.551RUEF400-1HF-ND$5.84000Parametric Equivalent
RUEF400-2Littelfuse Inc.8,130RUEF400-2HFCT-ND$6.74000Parametric Equivalent
RUEF400-APLittelfuse Inc.1,850RUEF400-APHFCT-ND$6.74000Parametric Equivalent
RUEF400KLittelfuse Inc.2,732RUEF400KHF-ND$5.51000Parametric Equivalent
In-Stock: 40
Check for Additional Incoming Stock
All prices are in HKD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$5.84000$5.84
5$4.80200$24.01
10$4.43100$44.31
50$3.68000$184.00
100$3.39470$339.47
250$3.05184$762.96
500$2.81454$1,407.27
Tape & Box (TB)
QuantityUnit PriceExt Price
1,000$2.59503$2,595.03
2,000$2.39155$4,783.10
3,000$2.27947$6,838.41
5,000$2.17150$10,857.50
Manufacturers Standard Package