thermal sensors LP73 thin film resistance thermal chip sensor EU features Thin film thermal sensors of SMD type Resistance tolerance 1%, a wide range of TCRs -6 -6 +3000x10 /K~+5000x10 /K with the standard products Suitable for control of temperatures in various industrial equipment Suitable for both flow and reflow soldering Products with lead-free terminations meet EU RoHS and China RoHS requirements dimensions and construction L Type Dimensions inches (mm) c c (Inch Size Code) L Wc d t 1J .063.008 .031.008 .012.008 .012.008 .02.004 (0603) (1.60.2) (0.80.2) (0.30.2) (0.30.2) (0.50.1) W Solder 2A .079.008 .049.008 .016.008 .016.008 .02.006 Plating (0805) (2.00.2) (1.250.2) (0.40.2) (0.40.2) (0.50.15) Ni t 2B .126.008 .063.008 .02.012 .02.012 .02.006 Plating (1206) (3.20.2) (1.60.2) (0.50.3) (0.50.3) (0.50.15) d Protective Resistive Inner Coating Film Electrode Ceramic Substrate ordering information LP73 2B T TE 103 J 3600 Size Termination Resistance Product Packaging Tolerance T.C.R. Code Material Value Code 1J: 0603 T: Sn TE: 4mm embossed 2 significant F: 1% pitch plastic figures + 1 2A: 0805 G:2% (5,000 pieces/reel) multiplier 3 digits 2B: 1206 J: 5% applications and ratings Thermal Thermal Rated Operating Part Power Time Dissipation Ambient Temp. Designation Rating Constant Constant Temp. Range (sec.)* (mW/C)* LP731J 0.016W 2 1.2 -55C to LP732A 0.031W 4 1.8 +70C +125C LP732B 0.063W 6.5 2.4 * Thermal Time Constant and Dissipation Constant are reference values, which are values of elements and vary with connecting or fixing methods. 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. 11/29/17 228 KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com LP73 thin film resistance thermal chip sensor applications and ratings (continued) Resistance Range T.C.R. T.C.R. Resistance E-24 (ppm/C) Tolerance Tolerance Max. 1J 2A 2B 3000 F: 1%, G: 2% 100-1k J: 5% 3300 100-300 G: 2%, J: 5% 3600 5% 330-1k 100 - 2k 100 - 10k F: 1% 4000 G: 2% 100 - 1k 4500 J: 5% 5000 environmental applications Derating Curve Temperature Characteristics 60 5000ppm/C T.C.R. -6 4500ppm/C (X10 /K) 50 4000ppm/C 3600ppm/C 40 3300ppm/C 3000ppm/C 30 20 10 For sensors operated at an 0 ambient temperature of 70C or -10 above, a power rating shall be -20 derated in accordance with the -30 above derating curve. -40 -75 -50 -25 0 25 50 75 100 125 Ambient Temperature (C) Approximate Expression for Resistance-Temperature Characteristics (Values are not guaranteed but typical) T.C.R. C C C -6 0 1 2 2 RT=R25 (C0+C1T+C2T ) (x10 /K) -6 RT: Resistance value at TC 3000 0.931258 0.00265213 3.90112 x 10 R25: Resistance value at 25C -6 3300 0.924355 0.00292569 4.00516 x 10 T: Ambient temperature (C) -6 3600 0.916356 0.00323714 4.34428 x 10 C0, C1, C2: Constants -6 4000 0.907039 0.00361006 4.33457 x 10 -6 4500 0.897412 0.00395222 6.05201 x 10 -6 5000 0.886014 0.00437224 7.48809 x 10 Performance Characteristics Requirement R (%+0.05) Parameter Limit Typical Test Method Within regulated Resistance 25C tolerance Within specified T.C.R. +25C/+65C T.C.R. Overload Rated voltage x 2.5 for 5 seconds 0.5% 0.3% Resistance to Solder Heat 0.5% 0.3% 260C 5C, 10 seconds + 1 second/- 0 second Rapid Change -55C (30 minutes),+25C (2-3 minutes), +125C (30 minutes), 0.5% 0.3% of Temperature +25C (2-3 minutes), 5 cycles Moisture Resistance 2.0% 1.5% 40C 2C, 90 - 95% RH, 1000 hours, 1.5 hours ON, 0.5 hours OFF cycle Endurance at 70C 2.0% 1.5% 70C 2C, 1000 hours, 1.5 hours ON, 0.5 hours OFF cycle Confirming resistance drift is recommended since this product has a tendency to have bigger resistance change than general flat chip over 70C. Please pay attention not to be applied ESD, it may cause of resistance change. Actual Value (Out of Guarantee) Test Items Reference Test Method High Temperature Exposure 8.0% 125C, 1000 hours ESD 500V Human model, 100 pF 1.5 k Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/02/14 KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com 229 Resistance Changing Rate (%) thermal sensors