RUEF300,400,500,600,700,800,900 Series
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
RUEF300,400,500,600,700,800,900 Series
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

RUEF400

DigiKey Part Number
RUEF400HF-ND
Manufacturer
Manufacturer Product Number
RUEF400
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
EDA/CAD Models
RUEF400 Models
Product Attributes
Type
Description
Select All
Category
Manufacturer
Littelfuse Inc.
Series
Packaging
Bag
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)
0.760" (19.30mm)
Thickness (Max)
-
Lead Spacing
0.199" (5.05mm)
Approval Agency
CQC, 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: 18,269
Check for Additional Incoming Stock
All prices are in GBP
Bag
QuantityUnit PriceExt Price
1£0.51000£0.51
5£0.42600£2.13
10£0.39400£3.94
50£0.32660£16.33
100£0.30140£30.14
250£0.27092£67.73
500£0.24988£124.94
1,000£0.23039£230.39
5,000£0.19183£959.15
Manufacturers Standard Package
Unit Price without VAT:£0.51000
Unit Price with VAT:£0.61200