Polymeric PTC Resettable Fuse 16V 1.25 A Ih Surface Mount 1812 (4532 Metric), Concave
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Polymeric PTC Resettable Fuse 16V 1.25 A Ih Surface Mount 1812 (4532 Metric), Concave
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

1812L125/16DR

DigiKey Part Number
F3779TR-ND - Tape & Reel (TR)
F3779CT-ND - Cut Tape (CT)
F3779DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
1812L125/16DR
Description
PTC RESET FUSE 16V 1.25A 1812
Manufacturer Standard Lead Time
13 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 16V 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
16V
Size / Dimension
0.179" L x 0.128" W (4.55mm x 3.24mm)
Current - Hold (Ih) (Max)
1.25 A
Thickness (Max)
0.049" (1.25mm)
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/16-2Littelfuse Inc.7,479MINISMDC125F16-2TR-ND$0.67000Direct
MF-MSMF125/16X-2Bourns Inc.1,492118-MF-MSMF125/16X-2TR-ND$0.78000Similar
PTS181216V125Eaton - Electronics Division4,452283-3158-2-ND$0.25000Direct
0ZCG0125AF2BBel Fuse Inc.21,0875923-0ZCG0125AF2BTR-ND$0.33000Similar
FSMD125-16RRFE/Fuzetec1,5003451-FSMD125-16RTR-ND$0.25000Direct
In-Stock: 2,326
Check for Additional Incoming Stock
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.67000$0.67
5$0.55800$2.79
10$0.51400$5.14
50$0.42640$21.32
100$0.39340$39.34
250$0.35364$88.41
500$0.32618$163.09
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,500$0.24580$368.70
3,000$0.22649$679.47
4,500$0.21585$971.32
7,500$0.21137$1,585.28
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.