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Mfr Part #
Quantity Available
Price
Series
Package
Product Status
Type
Voltage - Max
Current - Hold (Ih) (Max)
Current - Trip (It)
Current - Max
Time to Trip
Resistance - Initial (Ri) (Min)
Resistance - Post Trip (R1) (Max)
Operating Temperature
Ratings
Mounting Type
Package / Case
Size / Dimension
Height - Seated (Max)
Thickness (Max)
Lead Spacing
1812L Series
1812L020PR
PTC RESET FUSE 30V 200MA 1812
Littelfuse Inc.
34,336
In Stock
1 : $0.50000
Cut Tape (CT)
2,000 : $0.20687
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric30V200 mA400 mA100 A20 ms800 mOhms5 Ohms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.039" (1.00mm)-
1812L Series
1812L014DR
PTC RESET FUSE 60V 140MA 1812
Littelfuse Inc.
19,982
In Stock
1 : $0.50000
Cut Tape (CT)
1,500 : $0.21425
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric60V140 mA340 mA10 A150 ms1.5 Ohms6 Ohms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.077" (1.95mm)-
1812L Series
1812L110/33MR
PTC RESET FUSE 33V 1.1A 1812
Littelfuse Inc.
33,619
In Stock
1 : $0.58000
Cut Tape (CT)
1,000 : $0.25861
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric33V1.1 A1.95 A20 A500 ms60 mOhms200 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.079" (2.00mm)-
1812L Series
1812L075/24DR
PTC RESET FUSE 24V 750MA 1812
Littelfuse Inc.
36,637
In Stock
72,000
Factory
1 : $0.64000
Cut Tape (CT)
1,500 : $0.27781
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric24V750 mA1.5 A100 A200 ms110 mOhms290 mOhms-40°C ~ 85°CAEC-Q200Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.061" (1.55mm)-
1812L Series
1812L075/33DR
PTC RESET FUSE 33V 750MA 1812
Littelfuse Inc.
19,353
In Stock
1 : $0.64000
Cut Tape (CT)
1,500 : $0.27781
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric33V750 mA1.5 A20 A200 ms110 mOhms400 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.061" (1.55mm)-
1812L Series
1812L150/24MR
PTC RESET FUSE 24V 1.5A 1812
Littelfuse Inc.
44,275
In Stock
1 : $0.65000
Cut Tape (CT)
1,000 : $0.28906
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric24V1.5 A3 A20 A1.5 s40 mOhms120 mOhms-40°C ~ 85°CAEC-Q200Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.071" (1.80mm)-
1812L Series
1812L050/30PR
PTC RESET FUSE 30V 500MA 1812
Littelfuse Inc.
47,877
In Stock
1 : $0.98000
Cut Tape (CT)
2,000 : $0.41954
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric30V500 mA1 A100 A150 ms150 mOhms1 Ohms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.039" (1.00mm)-
1812L Series
1812L200/16DR
PTC RESET FUSE 16V 2A 1812
Littelfuse Inc.
4,855
In Stock
1 : $0.98000
Cut Tape (CT)
1,500 : $0.42717
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric16V2 A3.5 A100 A2 s20 mOhms70 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.047" (1.20mm)-
1812L Series
1812L035/60MR
PTC RESET FUSE 60V 350MA 1812
Littelfuse Inc.
12,983
In Stock
1 : $0.96000
Cut Tape (CT)
1,000 : $0.43466
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric60V350 mA700 mA10 A150 ms400 mOhms1.7 Ohms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.071" (1.80mm)-
1812L Series
1812L020/60DR
PTC RESET FUSE 60V 200MA 1812
Littelfuse Inc.
21,248
In Stock
1 : $0.60000
Cut Tape (CT)
1,500 : $0.60463
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric60V200 mA400 mA40 A2 s1.4 Ohms4.4 Ohms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.049" (1.25mm)-
1812L Series
1812L035/30DR
PTC RESET FUSE 30V 350MA 1812
Littelfuse Inc.
13,761
In Stock
6,000
Factory
1 : $1.91000
Cut Tape (CT)
1,500 : $0.83172
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric30V350 mA750 mA40 A150 ms400 mOhms1.7 Ohms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.049" (1.25mm)-
1812L Series
1812L200/12DR
PTC RESET FUSE 12V 2A 1812
Littelfuse Inc.
7,847
In Stock
22,500
Factory
1 : $1.91000
Cut Tape (CT)
1,500 : $0.83172
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric12V2 A3.5 A100 A2 s20 mOhms70 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.047" (1.20mm)-
1812L Series
1812L110PR
PTC RESET FUSE 8V 1.1A 1812
Littelfuse Inc.
14,698
In Stock
1 : $0.42000
Cut Tape (CT)
2,000 : $0.17392
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric8V1.1 A2.2 A100 A300 ms40 mOhms210 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.028" (0.71mm)-
1812L Series
1812L050PR
PTC RESET FUSE 15V 500MA 1812
Littelfuse Inc.
36,845
In Stock
1 : $0.50000
Cut Tape (CT)
2,000 : $0.20687
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric15V500 mA1 A100 A150 ms150 mOhms1 Ohms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.030" (0.75mm)-
1812L Series
1812L010DR
PTC RESET FUSE 30V 100MA 1812
Littelfuse Inc.
64,449
In Stock
66,000
Factory
1 : $0.50000
Cut Tape (CT)
1,500 : $0.21425
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric30V100 mA300 mA100 A1.5 s1.6 Ohms15 Ohms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.049" (1.25mm)-
1812L Series
1812L075PR
PTC RESET FUSE 13.2V 750MA 1812
Littelfuse Inc.
14,171
In Stock
1 : $0.51000
Cut Tape (CT)
2,000 : $0.21436
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric13.2V750 mA1.5 A100 A200 ms100 mOhms450 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.030" (0.75mm)-
1812L Series
1812L150ZR
PTC RESET FUSE 8V 1.25A 1812
Littelfuse Inc.
4,097
In Stock
20,000
Factory
1 : $0.51000
Cut Tape (CT)
2,000 : $0.21436
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric8V1.25 A3 A100 A300 ms40 mOhms110 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.049" (1.25mm)-
1812L200
1812L200THPR
PTC RESET FUSE 8V 2A 1812
Littelfuse Inc.
8,458
In Stock
1 : $0.56000
Cut Tape (CT)
2,000 : $0.23529
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric8V2 A3.5 A100 A2 s20 mOhms70 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.024" (0.60mm)-
1812L200
1812L260THDR
PTC RESET FUSE 8V 2.6A 1812
Littelfuse Inc.
10,721
In Stock
1 : $0.56000
Cut Tape (CT)
1,500 : $0.24369
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric8V2.6 A5.2 A100 A2.5 s15 mOhms47 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.039" (1.00mm)-
1812L Series
1812L110/16DR
PTC RESET FUSE 16V 1.1A 1812
Littelfuse Inc.
13,962
In Stock
1 : $0.58000
Cut Tape (CT)
1,500 : $0.24999
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric16V1.1 A1.95 A100 A300 ms60 mOhms180 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.049" (1.25mm)-
1812L Series
1812L160/12DR
PTC RESET FUSE 12V 1.6A 1812
Littelfuse Inc.
13,056
In Stock
30,000
Factory
1 : $0.58000
Cut Tape (CT)
1,500 : $0.24999
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric12V1.6 A2.8 A100 A1 s30 mOhms100 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.049" (1.25mm)-
1812L Series
1812L150/16DR
PTC RESET FUSE 16V 1.5A 1812
Littelfuse Inc.
4,486
In Stock
67,500
Factory
1 : $0.58000
Cut Tape (CT)
1,500 : $0.24999
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric16V1.5 A3 A100 A500 ms40 mOhms110 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.049" (1.25mm)-
1812L Series
1812L110/24DR
PTC RESET FUSE 24V 1.1A 1812
Littelfuse Inc.
10,249
In Stock
1 : $0.61000
Cut Tape (CT)
1,500 : $0.26390
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric24V1.1 A1.95 A20 A500 ms60 mOhms200 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.042" (1.07mm)-
1812L Series
1812L260/12MR
PTC RESET FUSE 12V 2.6A 1812
Littelfuse Inc.
10,012
In Stock
1 : $0.98000
Cut Tape (CT)
1,000 : $0.44243
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric12V2.6 A5 A100 A5 s15 mOhms55 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.179" L x 0.128" W (4.55mm x 3.24mm)-0.053" (1.34mm)-
1812L Series
1812L260/16MR
PTC RESET FUSE 16V 2.6A 1812
Littelfuse Inc.
10,669
In Stock
1 : $1.10000
Cut Tape (CT)
1,000 : $0.49676
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActivePolymeric16V2.6 A5 A100 A5 s15 mOhms50 mOhms-40°C ~ 85°C-Surface Mount1812 (4532 Metric), Concave0.186" L x 0.131" W (4.72mm x 3.33mm)-0.079" (2.00mm)-
Showing
of 49

PTC Resettable Fuses


PTC Resettable Fuses are designed to stop current flow when it exceeds a certain limit (overcurrent protection). The Fuses work by increasing its resistance as its temperature rises due to the current increase. The trip current ranges from 14 mA to 50 A with the Time to trip ranging from 8 ms to 90 s. PTC = Positive Temperature Coefficient.