MF-R900 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Littelfuse Inc.
In Stock: 0
Unit Price: $2.37000
Datasheet

Direct


Littelfuse Inc.
In Stock: 0
Unit Price: $1.80000
Datasheet

Direct


Littelfuse Inc.
In Stock: 0
Unit Price: $0.00000
Datasheet

Similar


Littelfuse Inc.
In Stock: 0
Unit Price: $1.27000
Datasheet

Direct


Eaton - Electronics Division
In Stock: 0
Unit Price: $1.05000
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Eaton - Electronics Division
In Stock: 0
Unit Price: $0.68138
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Bel Fuse Inc.
In Stock: 0
Unit Price: $0.88000
Datasheet
Polymeric PTC Resettable Fuse 30V 9 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 9 A Ih Through Hole Radial, Disc
Basics of NTC and PTC Thermistors - Another Teaching Moment

MF-R900

DigiKey Part Number
MF-R900-ND
Manufacturer
Manufacturer Product Number
MF-R900
Description
PTC RESET FUSE 30V 9A RADIAL
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 30V 9 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
EDA/CAD Models
MF-R900 Models
Product Attributes
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Category
Time to Trip
20 s
Manufacturer
Bourns Inc.
Resistance - Initial (Ri) (Min)
5 mOhms
Series
Resistance - Post Trip (R1) (Max)
20 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
0.953" L x 0.118" W (24.20mm x 3.00mm)
Current - Hold (Ih) (Max)
9 A
Height - Seated (Max)
1.295" (32.90mm)
Current - Trip (It)
18 A
Lead Spacing
0.402" (10.20mm)
Current - Max
40 A
Approval Agency
cURus, TUV
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (7)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
30R900UHLittelfuse Inc.0F1921-ND$2.37000Direct
30R900UMRLittelfuse Inc.0F5553CT-ND$1.80000Direct
RUEF900K-0.144Littelfuse Inc.0RUEF900K-0.144HF-ND$0.00000Direct
RUEF900Littelfuse Inc.0RUEF900HF-ND$1.27000Similar
PTR030V0900-BKEaton - Electronics Division0283-PTR030V0900-BK-ND$1.05000Direct
In-Stock: 0
500 estimated in stock on 20-Nov-2026
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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.