39 ?2009 littelfuse, inc. revised: december 2, 2009 polyfuse ? resettable ptcs 1812l series surface mount > 1812l series 1812l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/1812l.html for current information. 1812l series the 1812l series ptc provides surface mount overcurrent protection for applications where resettable protection is desired. electrical characteristics part number marking i hold (a) i trip (a) v max (vdc) i max (a) p d max. (w) maximum time to trip resistance agency approvals current (a) time (sec.) r min ( ) r 1max ( ) 1812l010 lf010 0.10 0.30 30 100 0.8 0.50 1.50 1.600 15.000 xx 1812l014 lf014 0.14 0.34 60 10 0.8 1.50 0.15 1.500 6.000 xx 1812l020 lf020 0.20 0.40 30 100 0.8 8.00 0.02 0.800 5.000 xx 1812l050 2 lf050 0.50 1.00 15 100 0.8 8.00 0.15 0.150 1.000 xx 1812l050/30 lf050-30 0.50 1.00 30 100 0.8 8.00 0.15 0.150 1.000 xx 1812l075 2 lf075 0.75 1.50 13.2 100 0.8 8.00 0.20 0.100 0.450 xx 1812l075/24 lf075-24 0.75 1.50 24 100 0.8 8.00 0.20 0.110 0.290 xx 1812l075/33 lf075-33 0.75 1.50 33 20 0.8 8.00 0.20 0.110 0.400 xx 1812l110 2 lf110 1.10 2.20 6 100 0.8 8.00 0.30 0.040 0.210 xx 1812l110/16 lf110-16 1.10 1.95 16 100 0.8 8.00 0.30 0.060 0.180 xx 1812l110/24 lf110-24 1.10 1.95 24 20 0.8 8.00 0.50 0.060 0.200 xx 1812l110/33 lf110-33 1.10 1.95 33 20 0.8 8.00 0.50 0.060 0.200 xx 1812l125 2 lf125 1.25 2.50 15 100 0.8 8.00 0.40 0.050 0.250 xx 1812l125/6 lf125-6 1.25 2.50 6 100 0.8 8.00 0.40 0.050 0.140 xx 1812l125 /16 lf125-16 1.25 2.50 16 100 0.8 8.00 0.40 0.050 0.140 xx 1812l150 2 lf150 1.50 3.00 8 100 0.8 8.00 0.30 0.040 0.110 xx 1812l150/12 lf150-12 1.50 3.00 12 100 0.8 8.00 0.50 0.040 0.110 xx 1812l150/24 lf150-24 1.50 3.00 24 20 0.8 8.00 1.50 0.040 0.120 xx 1812l160 2 lf160 1.60 2.80 8 100 0.8 8.00 1.00 0.030 0.100 xx 1812l160/12 lf160-12 1.60 2.80 12 100 0.8 8.00 1.00 0.030 0.100 xx 1812L200TH 2,3 lf200 2.00 3.50 8 100 0.8 8.00 2.00 0.020 0.070 xx 1812l260th 2,3 lf260 2.60 5.00 8 100 0.8 8.00 2.50 0.015 0.047 xx 1812l260/12 lf260-12 2.60 5.00 12 100 0.8 8.00 5.00 0.015 0.055 xx 1812l300 lf300 3.00 5.00 6 100 0.8 8.00 4.00 0.012 0.040 xx description applications ? plug and play protection for motherboards and peripherals ? usb peripherals ? pci cards ? game console port protection agency approvals agency agency file number e183209 r50119118 features ? rohs compliant, lead-free and halogen-free 1 ? fast response ? compact design ? low resistance ? low-pro?le ? compatible with high temperature solders i hold = hold current: maximum current device will pass without tripping in 20c still air. i trip = trip current: minimum current at which the device will trip in 20c still air. v max = maximum voltage device can withstand without damage at rated current (i max) i max = maximum fault current device can withstand without damage at rated voltage (v max ) p d = power dissipated from device when in the tripped state at 20c still air. r min = minimum resistance of device in initial (un-soldered) state. r typ = typical resistance of device in initial (un-soldered) state. r 1max = maximum resistance of device at 20c measured one hour after tripping or re?ow soldering of 260c for 20 sec. caution: operation beyond the speci?ed rating may result in damage and possible arcing and ?ame. 1 effective september 15, 2009 onward, all 1812l ptc products will be manufactured halogen free (hf). existing non-halogen free 1812l ptc products will continue to be sold until supplies are depleted. effective january 1, 2010, all 1812l ptc product will be manufactured and sold as halogen fre e by default, and the hf part number suf?x code will be discontinued -- refer to part ordering number system and packaging options sections for additional information. 2 some older references to these devices may include Cc in the part number. the Cc should be omitted when placing new orders for the device. 3 part numbers ending in th refer to new lower pro?le devices. for these items the th suf?x must be included in the ordering instructions. please refer also to the dimensions and part ordering number system sections of this document for additional information. order s for the original thicker product (no th in part number) may be accepted in some instances through october 31, 2009. please contact littelfuse for additional information o r arrangements.
40 revised: december 2, 2009 ?2009 littelfuse, inc. polyfuse ? resettable ptcs surface mount > 1812l series 1812l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/1812l.html for current information. ambient operation temperature -40c -20c 0c 23c 40c 50c 60c 70c 85c part number hold current (a) 1812l010 0.16 0.14 0.12 0.10 0.08 0.07 0.06 0.05 0.03 1812l014 0.23 0.19 0.17 0.14 0.12 0.10 0.09 0.08 0.06 1812l020 0.29 0.26 0.23 0.20 0.17 0.15 0.14 0.12 0.10 1812l050 0.77 0.68 0.59 0.50 0.44 0.40 0.37 0.33 0.29 1812l050/30 0.77 0.68 0.59 0.50 0.44 0.40 0.37 0.33 0.29 1812l075 1.15 1.01 0.88 0.75 0.65 0.60 0.55 0.49 0.43 1812l075/24 1.06 0.95 0.84 0.75 0.60 0.55 0.50 0.45 0.37 1812l075/33 1.10 1.00 0.88 0.75 0.66 0.60 0.56 0.47 0.36 1812l110 1.59 1.43 1.26 1.10 0.95 0.87 0.80 0.71 0.60 1812l110/16 1.58 1.43 1.27 1.10 0.95 0.85 0.77 0.71 0.58 1812l110/24 1.55 1.40 1.25 1.10 0.93 0.83 0.73 0.63 0.50 1812l110/33 1.55 1.40 1.25 1.10 0.93 0.83 0.73 0.63 0.50 1812l125 2.00 1.75 1.52 1.25 1.00 0.95 0.90 0.75 0.53 1812l125/6 2.00 1.75 1.52 1.25 1.00 0.95 0.90 0.75 0.53 1812l150 2.06 1.93 1.79 1.50 1.28 1.10 1.02 0.80 0.68 1812l150/12 2.04 1.88 1.68 1.50 1.25 1.10 1.00 0.80 0.60 1812l150/24 2.05 1.87 1.67 1.50 1.25 1.08 0.95 0.77 0.60 1812l160 2.20 2.06 1.91 1.60 1.36 1.17 1.09 0.85 0.72 1812l160/12 2.20 2.06 1.91 1.60 1.36 1.17 1.09 0.85 0.72 1812L200TH 2.60 2.44 2.22 2.00 1,78 1.67 1.50 1.45 1.29 1812l260th 3.40 3.16 3.00 2.60 2.30 2.15 2.00 1.85 1.63 1812l260/12 3.40 3.16 3.00 2.60 2.30 2.15 2.00 1.85 1.63 1812l300 4.13 3.75 3.30 3.00 2.61 2.43 2.25 2.00 1.78 temperature rerating temperature rerating curve -40 -30 -20 -10 0 10 20 30 40 5 06070808 5 10% 30% 5 0% 70% 90% 110 % 130% 1 5 0% 170% temperature (c) percentage of rated current environmental speci?cations operating/storage temperature -40c to +85c maximum device surface temperature in tripped state 125c passive aging +85c, 1000 hours -/+5% typical resistance change humidity aging +85c, 85% r.h.,1000 hours -/+5% typical resistance change thermal shock milCstdC202, method 107g +85c/-40c 20 times -30% typical resistance change solvent resistance milCstdC202, method 215 no change vibration milCstdC883c, method 2007.1, condition a no change moisture level sesitivity level 1, jCstdC020c physical speci?cations terminal material solder-plated copper (solder material: matte tin (sn)) lead solderability meets eia speci?cation rs186-9e, ansi/ j-std-002 category 3.
41 ?2009 littelfuse, inc. revised: december 2, 2009 polyfuse ? resettable ptcs 1812l series surface mount > 1812l series 1812l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/1812l.html for current information. average time current curves the average time current curves and temperature rerating curve performance is affected by a number or variables, and these curves provided as guidance only. customer must verify the performance in their application. soldering parameters condition re?ow peak temp/ duration time 260c / 10 sec time above liquids (tal) 220c 60 sec ~ 100 sec preheat 120c~ 180c 50 sec ~ 150 sec storage condition 0c~35c, < = 70%rh ? recommended re?ow methods: ir, vapor phase oven, hot air oven, n 2 environment for leadCfree ? recommended maximum paste thickness is 0.25mm (0.010 inch) ? devices can be cleaned using standard industry methods and solvents. note: if re?ow temperatures exceed the recommended pro?le, devices may not meet the performance requirements. preheating 120 180 220 260 0 60 to 100 temperature (c) soldering cooling 120 50 to 150 time(s) 1812l current in amperes time in seconds
1812l current in amperes time in seconds
42 revised: december 2, 2009 ?2009 littelfuse, inc. polyfuse ? resettable ptcs surface mount > 1812l series 1812l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/1812l.html for current information. part number a bcde inches mm inches mm inches mm inches mm inches mm min max min max min max min max min max min max min max min max min max min max 1812l010 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l014 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.08 0.75 1.95 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l020 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.55 1 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l050 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.5 0.75 0.01 0.05 0.3 1.2 0.01 0.02 0.25 0.5 1812l050/30 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.5 1 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l075 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.5 0.75 0.01 0.05 0.3 1.2 0.01 0.02 0.25 0.5 1812l075/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.06 0.75 1.55 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l075/33 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.06 0.75 1.55 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l110 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.5 0.71 0.01 0.05 0.3 1.2 0.01 0.02 0.25 0.5 1812l110/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.5 1.07 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l110/16 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l110/33 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.05 0.08 1.2 2 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l125 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.02 0.25 0.5 1812l125/6 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.45 0.75 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l150 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.4 0.71 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l150/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l150/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.07 0.8 1.8 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l160 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.4 0.75 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l160/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812L200TH 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.008 0.024 0.2 0.6 0.01 0.05 0.3 1.2 0.01 0.02 0.25 0.5 1812l260th 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.5 1.0 0.01 0.05 0.3 1.2 0.01 0.02 0.25 0.5 1812l260/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.8 1.34 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 1812l300 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.06 0.8 1.50 0.01 0.05 0.3 1.2 0.01 0.03 0.25 0.65 dimensions c to p view pad layout side view bottom view 3.15 mm (.124) 3.45 mm (.135) 1.78mm (.070) d marking code varies with amperage and voltage rating (see electrical characteristics table) shown are: - 1.1a/6v rating (left) - 1.1a/33v rating (right) e a b 110 110 110 -33
43 ?2009 littelfuse, inc. revised: december 2, 2009 polyfuse ? resettable ptcs 1812l series surface mount > 1812l series 1812l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/1812l.html for current information. packaging part ordering number system packaging style device size code (0.18 x 0.12 inch) l: littelfuse surface mount pptc i hold hold current code (refer to electrical characteristics t able) special voltage rating item (not applicable to all parts. refer to electrical characteristics t able for additional information) quantity code: m =1000 d =1 5 00 p or z =2000 r: t ape & reel halogen free product indicator required for some items. see packaging section. series 1812 l xxx /xx th y r hf low profile device indicator (required, for l200 and l260 device orders only. refer to c in dimensions section.) part number ordering number halogen free * i hold (a) i hold code voltage option packaging option quantity quantity & packaging code 1812l010 1812l010drhf yes 0.10 010 tape and reel 1500 dr 1812l010dr no 1812l014 1812l014drhf yes 0.14 014 1500 dr 1812l014dr no 1812l020 1812l020prhf yes 0.20 020 2000 pr 1812l020pr no 1812l050 1812l050prhf yes 0.50 050 2000 pr 1812l050pr no 1812l050/30 1812l050/30pr yes 0.50 050 /30 2000 pr 1812l075 1812l075prhf yes 0.75 075 2000 pr 1812l075pr no 1812l75/24 1812l075/24drhf yes 0.75 075 /24 1500 dr 1812l075/24dr no 1812l75/33 1812l075/33drhf yes 0.75 075 /33 1500 dr 1812l075/33dr no 1812l110 1812l110prhf yes 1.10 110 2000 pr 1812l110pr no 1812l110/16 1812l110/16drhf yes 1.10 110 /16 1500 dr 1812l110/16dr no 1812l110/24 1812l110/24dr yes 1.10 1.10 /24 1500 dr 1812l110/33 1812l110/33mrhf yes 1.10 110 /33 1000 mr 1812l110/33mr no 1812l125 1812l125drhf yes 1.25 125 1500 dr 1812l125dr no 1812l125/6 1812l125/6prhf yes 1.25 125 /6 2000 pr 1812l125/6pr no 1812l125/16 1812l125/16dr yes 1.25 125 /16 1500 dr 1812l150 1812l150zr no 1.50 150 2000 zr 1812l150zrhf yes 1812l150/12 1812l150/12drhf yes 1.50 150 /12 1500 dr 1812l150/12dr no 1812l150/24 1812l150/24mrhf yes 1.50 150 /24 1000 mr 1812l150/24mr no 1812l160 1812l160prhf yes 1.60 160 2000 pr 1812l160pr no 1812l160/12 1812l160/12drhf yes 1.60 160 /12 1500 dr 1812l160/12dr no 1812L200TH 1812L200THpr yes 2.00 200 2000 pr 1812l260th 1812l260thdr yes 2.60 260 1500 dr 1812l260/12 1812l260/12mr yes 2.60 260 /12 1000 mr 1812l300 1812l300mr yes 3.00 300 1000 mr * effective september 15, 2009 onward, all 1812l ptc products will be manufactured halogen free (hf). existing non-halogen free 1812l ptc products will continue to be sold until supplies are depleted. effective january 1, 2010, all 1812l ptc product will be manufactured and sold as halogen free by defaul t, and hf part number suf?x code will be discontinued.
44 revised: december 2, 2009 ?2009 littelfuse, inc. polyfuse ? resettable ptcs surface mount > 1812l series 1812l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/1812l.html for current information. tape specifications: eia-481-1 (mm) reel dimensions: eia-481-1 (mm) packaging code pr 1812l020 1812l050 1812l050/30 1812l075 1812l110 1812l125/6 1812l150 1812l160 1812L200TH packaging code dr 1812l010 1812l014 1812l075/24 1812l075/33 1812l110/16 1812l110/24 1812l125 1812l150/12 1812l160/12 1812l260th packaging code mr 1812l110/33 1812l150/24 1812l260/12 1812l300 w 12.00+0.30-0.10 12.00+/- 0.30 12.00+/- 0.30 h 16.0+/- 0.2 f 5.50+/- 0.05 5.50+/- 0.05 5.50+/- 0.05 w 13.2+/- 1.5 e 1 1.75+/- 0.10 1.75+/- 0.10 1.75+/- 0.10 d ?60.2+/- 0.5 d 0 1.50+0.10 1.55+/- 0.05 1.55+/- 0.05 f ?13.0+/- 0.5 d 1 1.50+0.25 1.50 (min) 1.50 (min) c ?178+/- 1.0 p 0 4.00+/- 0.10 4.00+/- 0.10 4.00+/- 0.10 h 1 11+/- 0.5 p 1 8.00+/- 0.10 8.00+/- 0.10 8.00+/- 0.10 w 1 2.5+0.5 p 2 2.00+/- 0.05 2.00+/- 0.05 2.00+/- 0.05 w 2 3.0+0.5 a 0 3.58+/- 0.10 3.58+/- 0.10 3.58+/- 0.10 w 3 4.0+0.5 b 0 4.93+/- 0.10 4.93+/- 0.10 4.93+/- 0.10 w 4 5.0+0.5 t 0.25+/- 0.10 0.25+/- 0.10 0.25+/- 0.10 k 0 0.87+/- 0.06 1.25+/- 0.10 2.10+/- 0.10 leader min. 390 390 390 trailer min. 160 160 160 tape and reel speci?cations w 4 w 2 w 3 w 1 f h 1 w c d h d 2 k 0 b 0 a 0 t f w e 1 p 2 d 0 p 0 p 1
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