LR4-730F is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Bourns Inc.
In Stock: 0
Unit Price: $0.55440
Datasheet

Similar


Bourns Inc.
In Stock: 0
Unit Price: $1.81000
Datasheet

Similar


Bel Fuse Inc.
In Stock: 2,500
Unit Price: $0.61000
Datasheet
Polymeric PTC Resettable Fuse 20V 7.3 A Ih User Defined Strap
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Polymeric PTC Resettable Fuse 20V 7.3 A Ih User Defined Strap
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LR4-730F

DigiKey Part Number
LR4-730F-ND
Manufacturer
Manufacturer Product Number
LR4-730F
Description
PTC RESET FUSE 20V 7.3A STRAP
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 20V 7.3 A Ih User Defined Strap
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
5 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
6 mOhms
Series
Resistance - Post Trip (R1) (Max)
15 mOhms
Packaging
Bag
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
User Defined
Type
Polymeric
Package / Case
Strap
Voltage - Max
20V
Size / Dimension
1.106" L x 0.559" W (28.10mm x 14.20mm)
Current - Hold (Ih) (Max)
7.3 A
Thickness (Max)
0.039" (1.00mm)
Current - Trip (It)
14.1 A
Approval Agency
CSA, TUV, UL
Current - Max
100 A
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MF-LR730Bourns Inc.0MF-LR730-ND$0.55440Direct
MF-LR730/20-0Bourns Inc.0118-MF-LR730/20-0-ND$1.81000Similar
0ZSC0730FF1EBel Fuse Inc.2,5002266-0ZSC0730FF1E-ND$0.61000Similar
In-Stock: 0
1,000 estimated in stock on 09-Mar-2027
Request Stock Notification
All prices are in USD
Bag
QuantityUnit PriceExt Price
1$1.46000$1.46
5$1.21400$6.07
10$1.12000$11.20
50$0.92960$46.48
100$0.85760$85.76
250$0.77068$192.67
500$0.71058$355.29
1,000$0.65489$654.89
5,000$0.58988$2,949.40
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.