LR4-450F is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Bourns Inc.
In Stock: 0
Unit Price: $7.42000
Datasheet

Similar


Bel Fuse Inc.
In Stock: 0
Unit Price: $8.57000
Datasheet

Similar


Bourns Inc.
In Stock: 0
Unit Price: $14.77000
Datasheet

Similar


Bourns Inc.
In Stock: 0
Unit Price: $17.54000
Datasheet
Polymeric PTC Resettable Fuse 20V 4.5 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 4.5 A Ih User Defined Strap
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

LR4-450F

DigiKey Part Number
LR4-450F-ND
Manufacturer
Manufacturer Product Number
LR4-450F
Description
PTC RESET FUSE 20V 4.5A STRAP
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 20V 4.5 A Ih User Defined Strap
Datasheet
 Datasheet
Product Attributes
Filter Similar Products
Show Empty Attributes
Category
Time to Trip
5 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
11 mOhms
Series
Resistance - Post Trip (R1) (Max)
28 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
0.984" L x 0.413" W (25.00mm x 10.50mm)
Current - Hold (Ih) (Max)
4.5 A
Thickness (Max)
0.039" (1.00mm)
Current - Trip (It)
8.9 A
Approval Agency
CSA, TUV, UL
Current - Max
100 A
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (4)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MF-LR450Bourns Inc.0MF-LR450-ND$7.42000Direct
0ZSC0450FF1EBel Fuse Inc.05923-0ZSC0450FF1E-ND$8.57000Similar
MF-LR730/20-0Bourns Inc.0118-MF-LR730/20-0-ND$14.77000Similar
MF-LR900/20-0Bourns Inc.0MF-LR900/20-0-ND$17.54000Similar
In-Stock: 0
Check Lead Time
Request Stock Notification
All prices are in HKD
Bag
QuantityUnit PriceExt Price
1$9.06000$9.06
5$7.52200$37.61
10$6.93500$69.35
50$5.75340$287.67
100$5.30790$530.79
250$4.77044$1,192.61
500$4.39906$2,199.53
1,000$4.05494$4,054.94
5,000$3.55202$17,760.10
Manufacturers Standard Package