MF-LR450 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Littelfuse Inc.
In Stock: 0
Unit Price: $1.11000
Datasheet

Similar


Littelfuse Inc.
In Stock: 0
Unit Price: $0.62000
Datasheet

Similar


Littelfuse Inc.
In Stock: 0
Unit Price: $0.75000
Datasheet
Polymeric PTC Resettable Fuse 16V 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 16V 4.5 A Ih User Defined Strap
Basics of NTC and PTC Thermistors - Another Teaching Moment

MF-LR450

DigiKey Part Number
MF-LR450-ND
Manufacturer
Manufacturer Part Number
MF-LR450
Description
PTC RESET FUSE 16V 4.5A STRAP
Manufacturer Standard Lead Time
14 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 16V 4.5 A Ih User Defined Strap
Datasheet
 Datasheet
EDA/CAD Models
MF-LR450 Models
Product Attributes
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Category
Time to Trip
5 s
Manufacturer
Bourns Inc.
Resistance - Initial (Ri) (Min)
11 mOhms
Series
Resistance - Post Trip (R1) (Max)
28 mOhms
Packaging
Bulk
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
User Defined
Type
Polymeric
Package / Case
Strap
Voltage - Max
16V
Size / Dimension
0.984" L x 0.402" W (25.00mm x 10.21mm)
Current - Hold (Ih) (Max)
4.5 A
Thickness (Max)
0.039" (1.00mm)
Current - Trip (It)
8.9 A
Approval Agency
cURus, TUV
Current - Max
100 A
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LR4-450FLittelfuse Inc.0LR4-450F-ND$1.11000Direct
MINISMDC260F/16-2Littelfuse Inc.0MINISMDC260F/16-2TR-ND$0.62000Similar
VTP110FLittelfuse Inc.0VTP110F-ND$0.75000Similar
In-Stock: 0
500 estimated in stock on 29-Mar-2027
Request Stock Notification
All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$0.91000$0.91
5$0.75600$3.78
10$0.69800$6.98
50$0.57940$28.97
100$0.53470$53.47
250$0.48060$120.15
500$0.44322$221.61
1,000$0.40861$408.61
5,000$0.33768$1,688.40
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.