1812L Series - PolySwitch® Lead-Free Surface Mount Resettable PPTC

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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The 1812L series device provides surface mount overcurrent protection for applications where resettable protection is desired.

Features:

  • RoHS compliant and lead-free
  • Fast response to fault currents
  • Compact design saves board space
  • Low resistance
  • Low-profile
  • Compatible with high temperature solders

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
(A)
Max Volts
(V)
IMAX
(A)
PDMAX
(W)
RMIN
(Ω)
R1max
(Ω)
Max
Time
To
Trip
(A)
Max
Time
to
Trip Time
(Sec)
RTYP
(Ω)
Operating TemperaturePartner ECAD ModelsStockSamplesCompare
1812L0100.10.3301000.81.6150.51.57-40° to 85°C1812L010CheckOrder
1812L010/600.10.360100.81.6150.51.5-40° to 85°C1812L010/60CheckOrder
1812L0140.140.3460100.81.561.50.154-40° to 85°C1812L014CheckOrder
1812L0200.20.4301000.80.8580.022.9-40° to 85°C1812L020CheckOrder
1812L020/600.20.460400.81.44.412-40° to 85°C1812L020/60CheckOrder
1812L035/300.350.7530400.80.41.780.15-40° to 85°C1812L035/30CheckOrder
1812L0500.51151000.80.15180.150.6-40° to 85°C1812L050CheckOrder
1812L050/300.51301000.80.15180.15-40° to 85°C1812L050/30CheckOrder
1812L050/600.51601001.50.15180.15-40° to 85°C1812L050/60CheckOrder
1812L0750.751.513.21000.80.10.4580.20.26-40° to 85°C1812L075CheckOrder
1812L075/240.751.5241000.80.110.2980.20.2-40° to 85°C1812L075/24CheckOrder
1812L075/330.751.5331000.80.110.480.20.26-40° to 85°C1812L075/33CheckOrder
1812L1101.12.281000.80.040.2180.30.12-40° to 85°C1812L110CheckOrder
1812L110/161.11.95161000.80.060.1880.50.12-40° to 85°C1812L110/16CheckOrder
1812L110/241.11.9524200.80.060.280.50.12-40° to 85°C1812L110/24CheckOrder
1812L110/331.11.9533200.80.060.280.50.12-40° to 85°C1812L110/33CheckOrder
1812L125/161.252.5161000.80.050.1480.4-40° to 85°C1812L125/16CheckOrder
1812L125/61.252.561000.80.050.1480.40.09-40° to 85°C1812L125/6CheckOrder
1812L1501.25381000.80.040.1180.30.07-40° to 85°C1812L150CheckOrder
1812L150/121.53121000.80.040.1180.50.07-40° to 85°C1812L150/12CheckOrder
1812L150/161.53161000.80.040.1180.5-40° to 85°C1812L150/16CheckOrder
1812L150/241.5324200.80.040.1281.50.07-40° to 85°C1812L150/24CheckOrder
1812L1601.62.881000.80.030.1810.066-40° to 85°C1812L160CheckOrder
1812L160/121.62.8121000.80.030.1810.066-40° to 85°C1812L160/12CheckOrder
1812L20023.581000.80.020.06820.04-40° to 85°C1812L200
1812L200/1223.51210020.020.0782-40° to 85°C1812L200/12CheckOrder
1812L200TH2481000.80.020.0782-40° to 85°C1812L200THCheckOrder
1812L2602.6561000.80.0150.04782.50.03-40° to 85°C1812L260
1812L260/122.65121000.80.0150.05585-40° to 85°C1812L260/12CheckOrder
1812L260/162.65161001.20.0150.051650.03-40° to 85°C1812L260/16CheckOrder
1812L260TH2.6581000.80.0150.04782.50.03-40° to 85°C1812L260THCheckOrder
1812L3003561000.80.0120.0484-40° to 85°C1812L300CheckOrder
1812L125
Obsolete: 2016 -02-05
1.252.5161000.80.050.1480.40.09-40° to 85°C1812L125
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
1812L010DR PTC 30V POLYFUSE SURF MOUNT 1812 .100A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L010DR_11-14-2018 REACH209_Declaration_1812L010DR_09-24-2020 No
09/15/2009
Does not Contain
1812L010/60DR PTC 60V POLYFUSE SURF MOUNT 1812 0.10A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L010-60DR_02-09-2021 REACH201_Declaration_1812L010-60DR_09-24-2019 Yes
09/15/2009
Does not Contain
1812L014DR PTC 60V POLYFUSE SURF MOUNT 1812 .140A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L014DR_10-8-2019 REACH209_Declaration_1812L014DR_09-28-2020 Yes
09/15/2009
Does not Contain
1812L020PR PTC 30V POLYFUSE SURF MOUNT 1812 .200A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L020PR_07-08-2019 REACH219_Declaration_1812L020PR_09-29-2021 Yes
09/15/2009
Does not Contain
1812L020/60DR PTC 60V POLYFUSE SURF MOUNT 1812 0.20A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L020-60DR_01-25-2021 REACH219_Declaration_1812L020-60DR_8-6-2021 Yes
09/15/2009
Does not Contain
1812L035/30DR PTC 30V POLYFUSE 1812 HALOGEN-FREE .35A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L035-30DR_01-29-2021 REACH205_Declaration_1812L035-30DR_05-06-2020 Yes
09/15/2009
Does not Contain
1812L050PR PTC 15V POLYFUSE SURF MOUNT 1812 .500A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L050PR_05-14-2019 REACH211_Declaration_1812l050PR_05-05-2021 No
09/15/2009
Does not Contain
1812L050/30PR PTC 30V POLYFUSE SURF MOUNT 1812 .500A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L050-30PR_07-31-2019 REACH219_Declaration_1812L050-30PR_11-24-2021 Yes
09/15/2009
Does not Contain
1812L050/60MR PTC 60V POLYFUSE SURF MOUNT 1812 0.5A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L050-60MR_07-09-2019 REACH205_Declaration_1812L050-60MR_03-10-2020 Yes
09/15/2009
Does not Contain
1812L075PR PTC 13.2V POLYFUSE SURF MOUNT 1812 .750A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L075PR_06-29-2019 REACH219_Declaration_1812L075PR_8-16-2021 Yes
09/15/2009
Does not Contain
1812L075/24DR PTC 24V POLYFUSE SURF MOUNT 1812 .750A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L075-24DR_09-01-2021 REACH219_Declaration_1812L075-24DR_09-01-2021 Yes
09/15/2009
Does not Contain
1812L075/33DR PTC 33V POLYFUSE SURF MOUNT 1812 .750A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L075-33DR_11-22-2021 REACH219_Declaration_1812L075-33DR_8-16-2021 Yes
09/15/2009
Does not Contain
1812L110PR-A PTC 8V POLYFUSE SURF MOUNT 1812 1.10A RoHS No 04/03/2014 PbFree No 04/03/2014 CoC_RoHS10_1812L110PR-A_02-26-2020 REACH205_Declaration_1812L110PR-A_02-26-2020 Yes
04/03/2014
Does not Contain
1812L110PR PTC 8V POLYFUSE SURF MOUNT 1812 1.10A RoHS No 04/03/2014 PbFree No 04/03/2014 CoC_RoHS10_1812L110PR_04-05-2019 REACH219_Declaration_1812L110PR_08-06-2021 Yes
04/03/2014
Does not Contain
1812L110/16DR PTC 16V POLYFUSE SURF MOUNT 1812 1.10A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L110-16DR_05-14-2019 REACH211_Declaration_1812L110-16DR_03-15-2021 No
09/15/2009
Does not Contain
1812L110/24DR PTC 24V POLYFUSE 1812 HALOGEN-FREE 1.10A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L110-24DR_12-16-2020 REACH219_Declaration_1812L110-24DR_08-03-2021 Yes
09/15/2009
Does not Contain
1812L110/24DR-A PTC 24V POLYFUSE SURF MOUNT 1812 1.10A RoHS No 09/18/2002 PbFree No 09/18/2002 Yes
09/15/2009
1812L110/33MR-A PTC 33V POLYFUSE SURF MOUNT 1812 1.10A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L110-33MR-A_08-27-2020 REACH209_Declaration_1812L110-33MR-A_08-27-2020 No
09/15/2009
Does not Contain
1812L110/33MR PTC 33V POLYFUSE SURF MOUNT 1812 1.10A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L110-33MR_02-01-2021 REACH219_Declaration_1812L110-33MR_08-13-2021 No
09/15/2009
Does not Contain
1812L125DR PTC 15V POLYFUSE SURF MOUNT 1812 1.25A RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
1812L125/16DR PTC 16V POLYFUSE 1812 HALOGEN-FREE 1.25A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L125-16DR_08-30-2019 REACH219_Declaration_1812L125-16DR_09-07-2021
Does not Contain
1812L125/6PR PTC 6V POLYFUSE SURF MOUNT 1812 1.25A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L125-6PR_07-31-2019 REACH201_Declaration_1812L125-6PR_07-31-2019 No
09/15/2009
Does not Contain
1812L150ZR PTC 8V POLYFUSE SURF MOUNT 1812 1.50A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L150ZR_08-25-2020 REACH219_Declaration_1812L150ZR_10-15-2021 No
09/15/2009
Does not Contain
1812L150/12DR PTC 12V POLYFUSE SURF MOUNT 1812 1.50A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L150-12DR_08-27-2021 REACH219_Declaration_1812L150-12DR_08-27-2021 No
09/15/2009
Does not Contain
1812L150/16DR PTC 16V POLYFUSE 1812 HALOGEN-FREE 1.50A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L150-16DR_11-27-2019 REACH219_Declaration_1812L150-16DR_8-6-2021 No
09/15/2009
Does not Contain
1812L150/24MR PTC 24V POLYFUSE SURF MOUNT 1812 1.50A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L150-24MR_05-06-2019 REACH209_Declaration_1812L150-24MR_7-14-2020 Yes
09/15/2009
Does not Contain
1812L160PR PTC 8V POLYFUSE SURF MOUNT 1812 1.60A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L160PR_02-22-2021 REACH211_Declaration_1812L160PR_02-22-2021 Yes
09/15/2009
Does not Contain
1812L160/12DR PTC 12V POLYFUSE SURF MOUNT 1812 1.60A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L160-12DR_05-16-2018 No
09/15/2009
1812L200DR PTC 8V POLYFUSE SURF MOUNT 1812 2A RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
1812L200/12DR PTC 12V POLYFUSE SURF MOUNT 1812 RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L200-12DR_08-31-2018 REACH205_Declaration_1812L200-12DR_3-19-2020 No
09/15/2009
Does not Contain
1812L200THPR PTC 8V POLYFUSE SMD THIN 1812 2.0A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L200THPR_7-3-2019 REACH211_Declaration_1812L200THPR_07-09-2021 No
09/15/2009
Does not Contain
1812L260ZR PTC 6V POLYFUSE SURF MOUNT 1812 2.60A RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
1812L260/12MR PTC 12V POLYFUSE SURF MOUNT 1812 2.6A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L260-12MR_09-09-2019 REACH219_Declaration_1812L260-12MR_10-28-2021 No
09/15/2009
Does not Contain
1812L260/16MR PTC 16V POLYFUSE SURF MOUNT 1812 2.60A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L260-16MR_05-28-2021 REACH211_Declaration_1812L260-16MR_05-27-2021 No
09/15/2009
Does not Contain
1812L260THDR PTC 8V POLYFUSE SMD THIN 1812 2.6A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L260THDR_08-30-2019 REACH219_Declaration_1812L260THDR_11-5-2021 Yes
09/15/2009
Does not Contain
1812L300MR PTC 6V POLYFUSE SURF MOUNT 1812 3.0A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L300MR_06-04-2019 No
09/15/2009
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