Technical Data 11050 Effective March 2020 PTSLR1812 Low resistance SMD PTC fuses HALOGEN Applications Pb HF FREE Data ports Micromotors and fans Low voltage test and measurement Low voltage hand held equipment PC-based medical equipment USB protection Secondary Li-ion battery protection Game consoles, set top boxes Battery charging & charging connections Agency information cURus Recognized file no. E343021 Product features TUV: File R 50455924 Positive temperature coefficient (PTC) Surface mount resettable fuse Low resistance Compact 1812 (4532 metric) footprint Part number system/ordering: Voltage rating 6 V Current rating from 1.90 A to 5.00 A PTSLR18126V190 PT= PTC resettable fuse Fast time-to-trip S= Surface mount LR= Low resistance 1812= Dimension code 6V= Maximum voltage 190= Ihold current rating (190= 1.90 A)PTSLR1812 Technical Data 11050 Effective March 2020 Low resistance SMD PTC fuses Product specifications Time-to-trip 1 2 3 4 5 6 Vmax lmax lhold ltrip Pd (maximum) Resistance Safety approvals typical Initial (R ) Post trip (R ) Part i 1 Part number (V ) (A) (A) (A) (W) (A) (seconds) minimum () maximum () marking cU us TV dc PTSLR18126V190 6 50 1.90 4.9 1.0 9.5 4.5 0.003 0.025 L190 PTSLR18126V260 6 50 2.60 6.0 1.0 13 2.0 0.003 0.024 L260 PTSLR18126V270 6 50 2.70 6.2 1.0 13 2.0 0.003 0.023 L270 PTSLR18126V300 6 50 3.00 6.2 1.0 8.0 5.0 0.003 0.021 L300 PTSLR18126V350 6 50 3.50 8.1 1.0 8.0 5.0 0.003 0.020 L350 PTSLR18126V370 6 50 3.70 9.1 1.0 18.5 2.0 0.003 0.018 L370 PTSLR18126V400 6 50 4.00 8.0 1.0 20 2.0 0.003 0.017 L400 PTSLR18126V450 6 50 4.50 9.0 1.0 22.5 2.0 0.001 0.014 L450 PTSLR18126V500 6 50 5.00 10 1.0 25 2.0 0.001 0.013 L500 1. Vmax: Maximum continuous voltage the device can withstand without damage at rated current 5. Pd: Power dissipated from the device when in tripped state at +23 C still air, unless otherwise 2. Imax: Maximum fault current the device can withstand without damage at rated voltage specified 3. Ihold: Maximum current the device will pass without interruption at +23 C still air unless 6. R : Minimum resistance of the device prior to tripping at +23 C i otherwise specified R : Maximum resistance of the device one hour after tripping at +23 C 1 4. Itrip: Minimum current that will transition the device from low resistance to high resistance at +23 C still air, unless otherwise specified Dimensionsmm Recommended pad layout A min A max B min B max C min C max D min D max E max E max F G H 4.37 4.73 3.07 3.41 0.40* 0.70* 0.20 1.20 0.15 0.65 3.45 1.78 3.50 0.60** 1.2** * PTSLR18126V190, PTSLR18126V260, PTSLR18126V270, PTSLR18126V300, PTSLR18126V350, PTSLR18126V370, PTSLR18126V400 ** PTSLR18126V450, PTSLR18126V500 Thermal derating curve 2 www.eaton.com/electronics R