1812L07533

POLYFUSE® Resettable PTCs Surface Mount 1812L Series Description 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 Applications • Plug and play protection for motherboards and peripherals • USB peripherals • PCI cards • Game console port protection • Low resistance • Low-profile • Compatible with high temperature solders Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 Electrical Characteristics I hold (A) 0.10 0.14 0.20 0.50 0.75 0.75 0.75 1.10 1.10 1.10 1.25 1.25 1.50 1.50 1.50 1.60 I trip (A) 0.30 0.34 0.40 1.00 1.50 1.50 1.50 2.20 1.95 1.95 2.50 2.50 3.00 3.00 3.00 2.80 V max (Vdc) 30 60 30 15 13.2 24 33 6 16 33 15 6 8 12 24 8 I max (A) 100 10 100 100 100 100 20 100 100 20 100 100 100 100 20 100 Pd max. (W) 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 Maximum Time To Trip Current (A) 0.50 1.50 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 Time (Sec.) 1.50 0.15 0.02 0.15 0.20 0.20 0.20 0.30 0.50 0.50 0.40 0.40 0.30 0.50 1.50 1.00 R min (Ω) 1.600 1.500 0.800 0.150 0.100 0.110 0.110 0.040 0.060 0.060 0.050 0.050 0.040 0.040 0.040 0.030 Resistance R typ (Ω) 7.000 4.000 2.900 0.600 0.260 0.200 0.260 0.120 0.120 0.120 0.160 0.090 0.070 0.070 0.070 0.066 R 1max (Ω) 15.000 6.000 5.000 1.000 0.450 0.290 0.400 0.210 0.180 0.200 0.250 0.140 0.110 0.110 0.120 0.100 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Agency Approvals Part Number Marking 1812L010 1812L014 1812L020 1812L050-C 1812L075-C 1812L075/24 1812L075/33 1812L110-C 1812L110/16 1812L110/33 1812L125-C 1812L125/6 1812L150-C 1812L150/12 1812L150/24 1812L160-C LF010 LF014 LF020 LF050 LF075 LF075-24 LF075-33 LF110 LF110-16 LF110-33 LF125 LF125-6 LF150 LF150-12 LF150-24 LF160 1812L Series Specifications are subject to change without notice. 1 Electronics Designers Guide www.littelfuse.com ©2006 Littelfuse POLYFUSE® Resettable PTCs Surface Mount Electrical Characteristics (continued) I hold (A) 1.60 2.00 2.60 I trip (A) 2.80 3.50 5.00 V max (Vdc) 12 8 6 I max (A) 100 100 100 Pd max. (W) 0.8 0.8 0.8 Maximum Time To Trip Current (A) 8.00 8.00 8.00 Time (Sec.) 1.00 2.00 2.50 R min (Ω) 0.030 0.020 0.015 Resistance R typ (Ω) 0.066 0.040 0.030 R 1max (Ω) 0.100 0.060 0.047 X X X X X X Agency Approvals Part Number Marking 1812L160/12 1812L200-C 1812L260-C LF160-12 LF200 LF260 I hold = Hold current: maximum current device will pass without tripping in 20°C still air. I trip = Trip current: minimum current at which the device will trip in 20°C 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 (Vmax) P d = Power dissipated from device when in the tripped state at 20°C 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 20°C measured one hour after tripping or reflow soldering of 260°C for 20 sec. Caution: Operation beyond the specified rating may result in damage and possible arcing and flame. Temperature Rerating Ambient Operation Temperature -40°C Part Number 1812L010 1812L014 1812L020 1812L050-C 1812L075-C 1812L075/24 1812L075/33 1812L110-C 1812L110/16 1812L110/33 1812L125-C 1812L125/6 1812L150-C 1812L150/12 1812L150/24 1812L160-C 1812L160/12 1812L200-C 1812L260-C 0.16 0.23 0.29 0.77 1.15 1.06 1.10 1.59 1.58 1.55 2.00 2.00 2.06 2.04 2.05 2.20 2.18 3.08 4.00 0.14 0.19 0.26 0.68 1.01 0.95 1.00 1.43 1.43 1.40 1.75 1.75 1.93 1.88 1.87 2.06 2.01 2.71 3.52 0.12 0.17 0.23 0.59 0.88 0.84 0.88 1.26 1.27 1.25 1.52 1.52 1.79 1.68 1.67 1.91 1.79 2.35 3.06 0.10 0.14 0.20 0.50 0.75 0.75 0.75 1.10 1.10 1.10 1.25 1.25 1.50 1.50 1.50 1.60 1.60 2.00 2.60 -20°C 0°C 23°C 40°C Hold Current (A) 0.08 0.12 0.17 0.44 0.65 0.60 0.66 0.95 0.95 0.93 1.00 1.00 1.28 1.25 1.25 1.36 1.34 1.80 2.34 0.07 0.10 0.15 0.40 0.60 0.55 0.60 0.87 0.85 0.83 0.95 0.95 1.10 1.10 1.08 1.17 1.16 1.60 2.08 0.06 0.09 0.14 0.37 0.55 0.50 0.56 0.80 0.77 .073 0.90 0.90 1.02 1.00 0.95 1.09 1.07 1.50 1.95 0.05 0.08 0.12 0.33 0.49 0.45 0.47 0.71 0.71 .063 0.75 0.75 0.80 0.80 0.77 0.85 0.83 1.07 1.39 0.03 0.06 0.10 0.29 0.43 0.37 0.36 0.60 0.58 .050 0.53 0.53 0.68 0.60 0.60 0.72 0.60 0.80 1.04 50°C 60°C 70°C 85°C 1812L Series Specifications are subject to change without notice. 2 Electronics Designers Guide www.littelfuse.com ©2006 Littelfuse POLYFUSE® Resettable PTCs Surface Mount Average Time Current Curves 1812L Series Temperature Rerating Curve 100000 10000 1000 TIME IN SECONDS 100 10 1 0.100 0.010 0.001 0.02 0.100 1 10 100 CURRENT IN AMPERES Specifications are subject to change without notice. Note: 1.00 means the number one with two decimal places. AKL V3.9 06.05.10 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. 0.750A/24V 0.750A 0.750A/33V 1.10A/16V 1.10A/33V 1.10A 1.25A 1.25A/6V 1.50A/12V 1.50A-/8V 1.50A/24V 1.60A/12V 1.60A 1.60A/8 2.00A 2.60A 0.100A 0.140A 0.200A 0.500A 1812L Series Specifications are subject to change without notice.  Electronics Designers Guide www.littelfuse.com ©2006 Littelfuse POLYFUSE® Resettable PTCs Surface Mount Soldering Parameters Condition Peak Temp/ Duration Time Time above liquids (TAL) 220°C Preheat 120°C~ 180°C Storage Condition Reflow 260°C / 10 Sec 60 Sec ~ 100 Sec Temperature ( °C) 260 220 Soldering Cooling 50 Sec ~ 150 Sec 0°C~35°C, < 70%RH = • Recommended reflow methods: IR, vapor phase oven, hot air oven, N2 environment for lead-free • Devices are not designed to be wave soldered to the bottom side of the board. • Recommended maximum paste thickness is 0.25mm (0.010 inch) • Devices can be cleaned using standard industry methods and solvents. Note: If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. 180 120 Preheating 0 50 to 150 60 to 100 Time(s) 120 Physical Specifications Terminal Material Lead Solderability Solder-Plated Copper (Solder Material: Matte Tin (Sn)) Meets EIA Specification RS186-9E, ANSI/ J-STD-002 Category 3. Environmental Specifications Operating/Storage Temperature Maximum Device Surface Temperature in Tripped State Passive Aging Humidity Aging -40°C to +85°C 125°C +85°C, 1000 hours ±5% typical resistance change +85°C, 85%R.H. 1000 hours ±5% typical resistance change MIL-STD-202 Method 107G +85°C/-40°C 20 times -30% typical resistance change MIL-STD-202, Method 215 No change MIL-STD-883C, Method 2007.1, Condition A No change Thermal Shock Solvent Resistance Vibration 1812L Series Specifications are subject to change without notice.  Electronics Designers Guide www.littelfuse.com ©2006 Littelfuse POLYFUSE® Resettable PTCs Surface Mount Dimensions MARKING CODE VARIES WITH AMPERAGE AND VOLTAGE RATING (SEE CHART) SHOWN ARE: - 1.1A/6V RATING (LEFT) - 1.1A/33V RATING (RIGHT) A C Top View 110 110 D B 110 -33 Side View Bottom View Pad Layout E 3.45 mm (.135”) 3.15 mm (.124”) 1.78mm (.070”) A Part Number 1812L010 1812L014 1812L020 1812L050-C 1812L075-C 1812L075/24 1812L075/33 1812L110-C 1812L110/16 1812L110/33 1812L125-C 1812L125/6 1812L150-C 1812L150/12 1812L150/24 1812L160-C 1812L160/12 1812L200-C 1812L260-C Inches 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.17 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 mm 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.37 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 Inches 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 B mm 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.07 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 3.41 Inches 0.03 0.03 0.02 0.02 0.02 0.03 0.03 0.02 0.03 0.05 0.03 0.02 0.02 0.03 0.03 0.02 0.03 0.03 0.03 0.05 0.08 0.04 0.03 0.03 0.06 0.06 0.03 0.05 0.08 0.05 0.03 0.03 0.05 0.07 0.03 0.05 0.05 0.05 C mm 0.75 0.75 0.55 0.5 0.5 0.75 0.75 0.5 0.75 1.2 0.75 0.45 0.4 0.75 0.8 0.4 0.75 0.81 0.8 1.25 1.95 1 0.75 0.75 1.55 1.55 0.71 1.25 2 1.25 0.75 0.71 1.25 1.8 0.75 1.25 1.2 1.34 Min. 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 D Inches mm Min. 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 Inches 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.03 0.03 0.03 0.02 0.02 0.03 0.03 0.02 0.03 0.03 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.02 0.02 E mm 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.65 0.65 0.65 0.5 0.5 0.65 0.65 0.5 0.65 0.65 0.5 0.65 0.65 0.65 0.65 0.65 0.65 0.5 0.5 Min Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. 1812L Series Specifications are subject to change without notice.  Electronics Designers Guide www.littelfuse.com ©2006 Littelfuse POLYFUSE® Resettable PTCs Surface Mount Part Numbering System 1812 L 075 /33 D R PACKAGING STYLE R: Tape & Reel SERIES QUANTITY CODE: D=1500 M=1000 P=2000 /XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS) I HOLD CURRENT CODE (SEE TABLE BELOW) L: LITTELFUSE SURFACE MOUNT PPTC SIZE Packaging I hold (A) 0.10 0.14 0.20 0.50 0.75 I hold Code 010 014 020 050 075 /24 /33 1.10 110 /16 /33 1.25 125 /6 /12 /24 1.60 2.00 2.60 160 200 260 /12 Voltage Option Packaging Option Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel 1.50 150 Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Quantity 1500 1500 2000 2000 2000 1500 1500 2000 1500 1000 1500 2000 2000 1500 1000 2000 1500 1500 1000 Quantity & Packaging Codes DR DR PR PR PR DR DR PR DR MR DR PR ZR DR MR PR DR DR ZR 1812L Series Specifications are subject to change without notice.  Electronics Designers Guide www.littelfuse.com ©2006 Littelfuse