MF-SM300-2 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Littelfuse Inc.
In Stock: 2,821
Unit Price: $0.84000
Datasheet

Similar


Littelfuse Inc.
In Stock: 0
Unit Price: $0.66000
Datasheet
Polymeric PTC Resettable Fuse 6V 3 A Ih Surface Mount 2-SMD
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Polymeric PTC Resettable Fuse 6V 3 A Ih Surface Mount 2-SMD
Basics of NTC and PTC Thermistors - Another Teaching Moment

MF-SM300-2

DigiKey Part Number
MF-SM300-2TR-ND - Tape & Reel (TR)
MF-SM300-2CT-ND - Cut Tape (CT)
MF-SM300-2DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
MF-SM300-2
Description
PTC RESET FUSE 6V 3A 2SMD
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 6V 3 A Ih Surface Mount 2-SMD
Datasheet
 Datasheet
EDA/CAD Models
MF-SM300-2 Models
Product Attributes
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Category
Resistance - Initial (Ri) (Min)
15 mOhms
Manufacturer
Bourns Inc.
Resistance - Post Trip (R1) (Max)
48 mOhms
Series
Operating Temperature
-40°C ~ 85°C
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Grade
Automotive
Part Status
Active
Qualification
AEC-Q200
Type
Polymeric
Mounting Type
Surface Mount
Voltage - Max
6V
Package / Case
2-SMD
Current - Hold (Ih) (Max)
3 A
Size / Dimension
0.287" L x 0.214" W (7.31mm x 5.44mm)
Current - Trip (It)
6 A
Thickness (Max)
0.118" (3.00mm)
Current - Max
100 A
Approval Agency
cURus, TUV
Time to Trip
35 s
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
2920L300/15DRLittelfuse Inc.2,821F2875TR-ND$0.84000Direct
SMD300F-2Littelfuse Inc.0SMD300F-2TR-ND$0.66000Similar
In-Stock: 0
2,000 estimated in stock on 18-Jan-2027
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.75000$0.75
5$0.61800$3.09
10$0.57000$5.70
50$0.47300$23.65
100$0.43640$43.64
250$0.39232$98.08
500$0.36184$180.92
1,000$0.33363$333.63
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,000$0.30748$614.96
4,000$0.28323$1,132.92
6,000$0.26986$1,619.16
10,000$0.25383$2,538.30
14,000$0.25000$3,500.00
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.