MF-RX300/72-0 is out of stock and can be placed on backorder.
Available Substitutes:

Similar


Littelfuse Inc.
In Stock: 0
Unit Price: $2.12000
Datasheet

Similar


Littelfuse Inc.
In Stock: 0
Unit Price: $1.04000
Datasheet
Polymeric PTC Resettable Fuse 72V 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 72V 3 A Ih Through Hole Radial, Disc
Basics of NTC and PTC Thermistors - Another Teaching Moment

MF-RX300/72-0

DigiKey Part Number
MF-RX300/72-0-ND
Manufacturer
Manufacturer Part Number
MF-RX300/72-0
Description
PTC RESET FUSE 72V 3A RADIAL
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 72V 3 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
EDA/CAD Models
MF-RX300/72-0 Models
Product Attributes
Filter Similar Products
Show Empty Attributes
Category
Resistance - Initial (Ri) (Min)
40 mOhms
Manufacturer
Bourns Inc.
Resistance - Post Trip (R1) (Max)
100 mOhms
Series
Operating Temperature
-40°C ~ 85°C
Packaging
Bulk
Mounting Type
Through Hole
Part Status
Active
Package / Case
Radial, Disc
Type
Polymeric
Size / Dimension
0.980" L x 0.122" W (24.90mm x 3.10mm)
Voltage - Max
72V
Height - Seated (Max)
1.181" (30.00mm)
Current - Hold (Ih) (Max)
3 A
Lead Spacing
0.402" (10.20mm)
Current - Trip (It)
6 A
Approval Agency
cURus, TUV
Current - Max
40 A
Base Product Number
Time to Trip
19.8 s
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
60R300XFLittelfuse Inc.0F1927-ND$2.12000Similar
RXEF300Littelfuse Inc.0RXEF300HF-ND$1.04000Similar
In-Stock: 0
500 estimated in stock on 18-Jan-2027
Request Stock Notification
All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$0.95000$0.95
5$0.78400$3.92
10$0.72400$7.24
50$0.60040$30.02
100$0.55410$55.41
250$0.49804$124.51
500$0.45930$229.65
1,000$0.42343$423.43
5,000$0.34991$1,749.55
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.