RUEF300 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Littelfuse Inc.
In Stock: 0
Unit Price: $1.01000
Datasheet

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Littelfuse Inc.
In Stock: 0
Unit Price: $0.88000
Datasheet

Similar


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

Direct


Eaton - Electronics Division
In Stock: 0
Unit Price: $0.42113
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Bel Fuse Inc.
In Stock: 0
Unit Price: $0.47000
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
Building Automation – Protect/Sense/Control
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RUEF300

DigiKey Part Number
RUEF300HF-ND
Manufacturer
Manufacturer Product Number
RUEF300
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
EDA/CAD Models
RUEF300 Models
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
Bag
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
30R300UULittelfuse Inc.0F2026-ND$1.01000Direct
30R300UPRLittelfuse Inc.0F1983CT-ND$0.88000Similar
MF-R300Bourns Inc.0MF-R300-ND$0.57000Similar
PTR030V0300-TREaton - Electronics Division0283-PTR030V0300-TR-ND$0.42113Direct
0ZRB0300FF1ABel Fuse Inc.05923-0ZRB0300FF1A-ND$0.47000Similar
In-Stock: 0
500 estimated in stock on 09-Mar-2027
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All prices are in USD
Bag
QuantityUnit PriceExt Price
1$0.57000$0.57
5$0.47400$2.37
10$0.43600$4.36
50$0.36200$18.10
100$0.33410$33.41
250$0.30036$75.09
500$0.27702$138.51
1,000$0.25544$255.44
5,000$0.21122$1,056.10
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