RUEF300U-2 is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Littelfuse Inc.
In Stock: 1,000
Unit Price: $0.54000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.57000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.24320
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.42000
Datasheet

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.57000
Datasheet
Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
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RUEF300U-2

DigiKey Part Number
18-RUEF300U-2TR-ND - Tape & Reel (TR)
18-RUEF300U-2CT-ND - Cut Tape (CT)
Manufacturer
Manufacturer Part Number
RUEF300U-2
Description
PTC RESET FUSE 30V 3A RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
10.8 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
20 mOhms
Series
Resistance - Post Trip (R1) (Max)
80 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
0.449" L x 0.118" W (11.40mm x 3.00mm)
Current - Hold (Ih) (Max)
3 A
Height - Seated (Max)
0.650" (16.50mm)
Current - Trip (It)
6 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 (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RUEF300K-APLittelfuse Inc.1,000RUEF300K-APCT-ND$0.54000Parametric Equivalent
RUEF300Littelfuse Inc.0RUEF300HF-ND$0.57000Parametric Equivalent
RUEF300-2Littelfuse Inc.0RUEF300-2HFTR-ND$0.24320Parametric Equivalent
RUEF300-APLittelfuse Inc.0RUEF300-APHFCT-ND$0.42000Parametric Equivalent
RUEF300ULittelfuse Inc.0RUEF300U-ND$0.57000Parametric Equivalent
In-Stock: 0
3,000 estimated in stock on 01-Apr-2027
Request Stock Notification
All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$0.60000$0.60
5$0.58600$2.93
10$0.56800$5.68
50$0.47800$23.90
100$0.39680$39.68
250$0.36076$90.19
500$0.30666$153.33
1,000$0.27058$270.58
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.23801$714.03
6,000$0.22325$1,339.50
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