1733 Reader's Spreads pg1-203:document 1/27/09 4:11 PM Page 150 LP73 thin film resistance thermal chip sensors EU features circuit protection • Thin film thermal sensors of SMD type • Resistance tolerance ±1%, a wide range of TCRs +3000x10-6/K~+5000x10-6/K with the standard products • Suitable for control of temperatures in various industrial equipment • Suitable for both flow and reflow soldering • Marking: Black body color • Products with lead-free terminations meet EU RoHS and China RoHS requirements dimensions and construction L c Type c W Solder Plating Ni Plating t d Protective Coating L (Inch Size Code) Dimensions inches (mm) W c d t 1J (0603) .063±.008 .031±.008 .012±.008 .012±.008 (1.6±0.2) (0.8±0.2) (0.3±0.2) (0.3±0.2) 2A (0805) .079±.008 .049±.008 .016±.008 .016±.008 .02±.006 (0.4±0.2) (0.5±0.15) (2.0±0.2) (1.25±0.2) (0.4±0.2) 2B (1206) .126±.008 .063±.008 (3.2±0.2) (1.6±0.2) .02±.012 (0.5±0.3) .02±.012 (0.5±0.3) .02±.004 (0.5±0.1) .02±.006 (0.5±0.15) Resistive Inner Electrode Film Ceramic Substrate ordering information New Part # LP73 Type 2B T Size Code 1J: 0603 2A: 0805 2B: 1206 Termination Material T: Sn TE Packaging TE: 4mm embossed pitch plastic (5,000 pieces/reel) 103 Resistance Value 2 significant figures + 1 multiplier for ±2% and ±5% 3 significant figures + 1 multiplier for ±1% J 3600 Tolerance T.C.R. F: ±1% G: ±2% J: ±5% For further information on packaging, please refer to Appendix A. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 152 11/20/08 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 1733 Reader's Spreads pg1-203:document 1/27/09 4:12 PM Page 151 PMS 300 neg. Black neg. LP73 thin film resistance thermal chip sensors applications and ratings Power Rating LP731J 0.016W 2 1.2 LP732A 0.031W 4 1.8 LP732B 0.063W 6.5 2.4 Rated Ambient Temp. Resistance Range E-24 Operating Temp. Range T.C.R. Resistance T.C.R. (ppm/°C) Tolerance Tolerance Max. LP731J LP732A LP732B -55°C to +125°C +70°C 100Ω 1kΩ 100Ω 2kΩ F: ±1% G: ±2% J: ±5% 100Ω 10kΩ 3000 3300 3600 4000 4500 5000 ±5% environmental applications Temperature Characteristics Resistance Changing Rate (∆R) Derating Curve 100 % Rated Power 80 60 40 20 0 -60 -40 -55 -20 0 20 40 60 80 70 Ambient Temperature (°C) 100 120 140 125 60 50 40 30 20 10 0 -10 -20 -30 -40 -75 6000ppm/°C 4600ppm/°C 4000ppm/°C 3600ppm/°C 3300ppm/°C 3000ppm/°C -50 -25 0 25 50 75 100 125 Ambient Temperature (°C) Approximate Expression for Resistance-Temperature Characteristics T.C.R. (x10-6/K) C0 C1 3000 3300 3600 4000 4500 5000 0.930587 0.924633 0.915818 0.907050 0.897412 0.885114 0.00265022 0.00292657 0.003232524 0.00361010 0.00395222 0.00436780 C2 3.89831 4.00637 4.34173 4.33462 6.05201 7.48048 x x x x x x 10-6 10-6 10-6 10-6 10-6 10-6 (Values are not guaranteed but typical) RT=R25 (C0+C1T+C2T2) RT: Resistance value at T°C R25: Resistance value at 25°C T: Ambient temperature (°C) C0, C1, C2: Constants Performance Characteristics Parameter Resistance Requirement ∆ R Limit Typical Within regulated tolerance –– Within specified T.C.R. –– Overload Resistance to Solder Heat Rapid Change of Temperature ±0.5% ±0.5% ±0.5% ±0.3% ±0.3% ±0.3% Moisture Resistance Endurance at 70°C High Temperature Exposure ±2.0% ±2.0% –– ±1.5% ±1.5% 8 (Reference) T.C.R. Test Method 25°C +25°C/+65°C Rated voltage x 2.5 for 5 seconds 260°C ± 5°C, 10 seconds ± 1 second -55°C (30 minutes),+25°C (2-3 minutes), +125°C (30 minutes), +25°C (2-3 minutes), 5 cycles 40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hours ON, 0.5 hours OFF cycle 70°C ± 2°C, 1000 hours, 1.5 hours ON, 0.5 hours OFF cycle +125°C, 1000 hours Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/20/08 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 153 circuit protection Thermal Thermal Time Dissipation Constant Constant (sec.) (mW/°C) Part Designation