1812L300MR is out of stock and can be placed on backorder.
Available Substitutes:

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Littelfuse Inc.
In Stock: 0
Unit Price: $0.68000
Datasheet

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Bourns Inc.
In Stock: 0
Unit Price: $0.34685
Datasheet

Direct


Eaton - Electronics Division
In Stock: 0
Unit Price: $0.33000
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Bel Fuse Inc.
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Unit Price: $0.33000
Datasheet
Polymeric PTC Resettable Fuse 6V 3 A Ih Surface Mount 1812 (4532 Metric), Concave
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 1812 (4532 Metric), Concave
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1812L300MR

DigiKey Part Number
F4162TR-ND - Tape & Reel (TR)
F4162CT-ND - Cut Tape (CT)
F4162DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
1812L300MR
Description
PTC RESET FUSE 6V 3A 1812
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 6V 3 A Ih Surface Mount 1812 (4532 Metric), Concave
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
4 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
12 mOhms
Series
Resistance - Post Trip (R1) (Max)
40 mOhms
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
Surface Mount
Type
Polymeric
Package / Case
1812 (4532 Metric), Concave
Voltage - Max
6V
Size / Dimension
0.179" L x 0.128" W (4.55mm x 3.24mm)
Current - Hold (Ih) (Max)
3 A
Thickness (Max)
0.059" (1.50mm)
Current - Trip (It)
5 A
Approval Agency
cURus, TUV
Current - Max
100 A
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (4)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
NANOSMDC200F-2Littelfuse Inc.0NANOSMDC200F-2TR-ND$0.68000Similar
MF-MSMF300/6X-2Bourns Inc.0118-MF-MSMF300/6X-2TR-ND$0.34685Similar
PTS18126V300Eaton - Electronics Division0283-PTS18126V300TR-ND$0.33000Direct
0ZCG0300FF2BBel Fuse Inc.05923-0ZCG0300FF2BTR-ND$0.33000Similar
In-Stock: 0
1,000 estimated in stock on 25-Feb-2027
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$1.91000$1.91
5$1.81400$9.07
10$1.72400$17.24
50$1.39120$69.56
100$1.17950$117.95
250$1.14928$287.32
500$0.96782$483.91
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000$0.81313$813.13
2,000$0.74890$1,497.80
3,000$0.74863$2,245.89
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.