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

Littelfuse_1812L
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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)
Temp
(deg C)
SizeRTYP
(Ω)
MountingStockSamplesCompare
1812L0100.10.3301000.81.6150.51.5-40¦C - + 85¦C1812 (4532)7Surface MountCheckOrder
1812L010/600.10.360100.81.6150.51.5-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
1812L0140.140.3460100.81.561.50.15-40¦C - + 85¦C1812 (4532)4Surface MountCheckOrder
1812L0200.20.4301000.80.8580.02-40¦C - + 85¦C1812 (4532)2.9Surface MountCheckOrder
1812L020/600.20.460400.81.44.412-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
1812L035/300.350.7530400.80.41.780.15-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
1812L0500.51151000.80.15180.15-40¦C - + 85¦C1812 (4532)0.6Surface MountCheckOrder
1812L050/300.51301000.80.15180.15-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
1812L050/600.51601001.50.15180.15-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
1812L0750.751.513.21000.80.10.4580.2-40¦C - + 85¦C1812 (4532)0.26Surface MountCheckOrder
1812L075/240.751.5241000.80.110.2980.2-40¦C - + 85¦C1812 (4532)0.2Surface MountCheckOrder
1812L075/330.751.5331000.80.110.480.2-40¦C - + 85¦C1812 (4532)0.26Surface MountCheckOrder
1812L1101.12.281000.80.040.2180.3-40¦C - + 85¦C1812 (4532)0.12Surface MountCheckOrder
1812L110/161.11.95161000.80.060.1880.5-40¦C - + 85¦C1812 (4532)0.12Surface MountCheckOrder
1812L110/241.11.9524200.80.060.280.5-40¦C - + 85¦C1812 (4532)0.12Surface MountCheckOrder
1812L110/331.11.9533200.80.060.280.5-40¦C - + 85¦C1812 (4532)0.12Surface MountCheckOrder
1812L1251.252.5161000.80.050.1480.4-40¦C - + 85¦C1812 (4532)0.09Surface MountCheckOrder
1812L125/161.252.5161000.80.050.1480.4-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
1812L125/61.252.561000.80.050.1480.4-40¦C - + 85¦C1812 (4532)0.09Surface MountCheckOrder
1812L1501.25381000.80.040.1180.3-40¦C - + 85¦C1812 (4532)0.07Surface MountCheckOrder
1812L150/121.53121000.80.040.1180.5-40¦C - + 85¦C1812 (4532)0.07Surface MountCheckOrder
1812L150/161.53161000.80.040.1180.5-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
1812L150/241.5324200.80.040.1281.5-40¦C - + 85¦C1812 (4532)0.07Surface MountCheckOrder
1812L1601.62.881000.80.030.181-40¦C - + 85¦C1812 (4532)0.066Surface MountCheckOrder
1812L160/121.62.8121000.80.030.181-40¦C - + 85¦C1812 (4532)0.066Surface MountCheckOrder
1812L20023.581000.80.020.0682-40¦C - + 85¦C1812 (4532)0.04Surface MountCheckOrder
1812L200/1223.51210020.020.0782-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
1812L200/1623.51610010.020.0782-40¦C - + 85¦C1812 (4532)0.04Surface MountCheckOrder
1812L200TH2481000.80.020.0782-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
1812L2602.6561000.80.0150.04782.5-40¦C - + 85¦C1812 (4532)0.03Surface MountCheckOrder
1812L260/122.65121000.80.0150.05585-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
1812L260/162.65161001.20.0150.05165-40¦C - + 85¦C1812 (4532)0.03Surface MountCheckOrder
1812L260TH2.6581000.80.0150.04782.5-40¦C - + 85¦C1812 (4532)0.03Surface MountCheckOrder
1812L3003561000.80.0120.0484-40¦C - + 85¦C1812 (4532)Surface MountCheckOrder
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 RoHS No 09/18/2002 PbFree No 09/18/2002 Yes
09/15/2009
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 REACH197_Declaration_1812L020PR_07-08-2019 Yes
09/15/2009
Does not Contain
1812L020/60DR RoHS No 09/18/2002 PbFree No 09/18/2002 Yes
09/15/2009
1812L035/30DR RoHS No 09/18/2002 PbFree No 09/18/2002 Yes
09/15/2009
1812L050PR PTC 15V POLYFUSE SURF MOUNT 1812 .500A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L050PR_05-14-2019 REACH209_Declaration_1812L050PR_10-28-2020 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 Yes
09/15/2009
1812L050/60MR RoHS No 09/18/2002 PbFree No 09/18/2002 Yes
09/15/2009
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 REACH201_Declaration_1812L075PR_01-17-2020 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 Yes
09/15/2009
1812L075/33DR PTC 33V POLYFUSE SURF MOUNT 1812 .750A RoHS No 09/18/2002 PbFree No 09/18/2002 Yes
09/15/2009
1812L110PR PTC 6V POLYFUSE SURF MOUNT 1812 1.10A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L110PR_04-05-2019 REACH209_Declaration_1812L110PR_11-10-2020 No
09/15/2009
Does not Contain
1812L110/16DR PTC 16V POLYFUSE SURF MOUNT 1812 1.10A RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
1812L110/24DR PTC 24V POLYFUSE 1812 HALOGEN-FREE 1.10A RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
1812L110/33MR PTC 33V POLYFUSE SURF MOUNT 1812 1.10A 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
09/15/2009
1812L125/6PR PTC 6V POLYFUSE SURF MOUNT 1812 1.25A RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
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 REACH209_Declaration_1812L150ZR_08-25-2020 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 No
09/15/2009
1812L150/16DR PTC 16V POLYFUSE 1812 HALOGEN-FREE 1.50A RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
1812L150/24MR PTC 24V POLYFUSE SURF MOUNT 1812 1.50A RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
1812L160PR PTC 8V POLYFUSE SURF MOUNT 1812 1.60A RoHS No 09/18/2002 PbFree No 09/18/2002 CoC_RoHS10_1812L160PR_06-11-2019 REACH197_Declaration_1812L160PR_06-11-2019 No
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 No
09/15/2009
1812L200/12DR RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
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 REACH197_Declaration_1812L200THPR_04-17-2019 No
09/15/2009
Does not Contain
1812L260/12MR PTC 12V POLYFUSE SURF MOUNT 1812 2.6A RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
1812L260/16MR PTC 16V POLYFUSE SURF MOUNT 1812 2.60A RoHS No 09/18/2002 PbFree No 09/18/2002 No
09/15/2009
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 REACH209_Declaration_1812L260THDR_07-22-2020 No
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_REACH209_Declaration_1812L300MR_09-24-2020 No
09/15/2009
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