30R400UF is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Littelfuse Inc.
In Stock: 0
Unit Price: $0.67000
Datasheet

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Bourns Inc.
In Stock: 0
Unit Price: $0.59000
Datasheet

Direct


Eaton - Electronics Division
In Stock: 0
Unit Price: $0.57000
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Eaton - Electronics Division
In Stock: 0
Unit Price: $0.52317
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SCHURTER Inc.
In Stock: 0
Unit Price: $1.62000
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Bel Fuse Inc.
In Stock: 0
Unit Price: $0.52000
Datasheet
Polymeric PTC Resettable Fuse 30V 4 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 4 A Ih Through Hole Radial, Disc
Building Automation – Protect/Sense/Control
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30R400UF

DigiKey Part Number
F1919-ND
Manufacturer
Manufacturer Product Number
30R400UF
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
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
Bulk
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)
0.866" (22.00mm)
Current - Trip (It)
8 A
Lead Spacing
0.201" (5.10mm)
Current - Max
40 A
Approval Agency
cURus, TUV
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RUEF400Littelfuse Inc.0RUEF400HF-ND$0.67000Direct
MF-R400Bourns Inc.0MF-R400-ND$0.59000Similar
PTR030V0400-BKEaton - Electronics Division0PTR030V0400-BK-ND$0.57000Direct
PTR030V0400-TR1Eaton - Electronics Division0283-PTR030V0400-TR1TR-ND$0.52317Similar
PFRA.400SCHURTER Inc.0486-3519-ND$1.62000Similar
In-Stock: 0
200 estimated in stock on 10-Mar-2027
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All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$1.20000$1.20
5$0.99000$4.95
10$0.91400$9.14
50$0.75860$37.93
200$0.64560$129.12
400$0.59535$238.14
600$0.56772$340.63
1,000$0.53460$534.60
5,000$0.47175$2,358.75
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.