1812L125/6PR is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Littelfuse Inc.
In Stock: 0
Unit Price: $0.48000
Datasheet

Direct


Littelfuse Inc.
In Stock: 0
Unit Price: $0.53000
Datasheet

Similar


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

Similar


Bourns Inc.
In Stock: 0
Unit Price: $0.61000
Datasheet

Direct


Eaton - Electronics Division
In Stock: 0
Unit Price: $0.24000
Datasheet
Polymeric PTC Resettable Fuse 6V 1.25 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 1.25 A Ih Surface Mount 1812 (4532 Metric), Concave
Building Automation – Protect/Sense/Control
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1812L125/6PR

DigiKey Part Number
F6621TR-ND - Tape & Reel (TR)
F6621CT-ND - Cut Tape (CT)
F6621DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
1812L125/6PR
Description
PTC RESET FUSE 6V 1.25A 1812
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 6V 1.25 A Ih Surface Mount 1812 (4532 Metric), Concave
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
400 ms
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
50 mOhms
Series
Resistance - Post Trip (R1) (Max)
140 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)
1.25 A
Thickness (Max)
0.030" (0.75mm)
Current - Trip (It)
2.5 A
Approval Agency
cURus, TUV
Current - Max
100 A
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MINISMDC125F-2Littelfuse Inc.0MINISMDC125F-2TR-ND$0.48000Direct
MINISMDC125F/16-2Littelfuse Inc.0MINISMDC125F16-2TR-ND$0.53000Direct
NANOSMDC200F-2Littelfuse Inc.0NANOSMDC200F-2TR-ND$0.68000Similar
MF-MSMF125/8X-2Bourns Inc.0118-MF-MSMF125/8X-2TR-ND$0.61000Similar
PTS18126V125Eaton - Electronics Division0283-3159-2-ND$0.24000Direct
In-Stock: 0
2,000 estimated in stock on 25-Feb-2027
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.58000$0.58
5$0.56000$2.80
10$0.54300$5.43
50$0.45680$22.84
100$0.37930$37.93
250$0.34480$86.20
500$0.29310$146.55
1,000$0.25861$258.61
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,000$0.23965$479.30
4,000$0.22077$883.08
6,000$0.21338$1,280.28
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.