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Technical content
152 KOA Speer Electronics, Inc.• 199 Bolivar Drive • Bradford, P A 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 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 circuit protection LP73 thin film resistance thermal chip sensors
features
- 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 For further information on packaging, please refer to Appendix A. Protective Coating L c W t d Inner Electrode Solder Plating Ni Plating Resistive Film Ceramic Substrate c dimensions and construction L .016±.008 (0.4±0.2) .063±.008 (1.6±0.2) .031±.008 (0.8±0.2) .012±.008 (0.3±0.2) .012±.008 (0.3±0.2) .02±.004 (0.5±0.1) .02±.006 (0.5±0.15) .016±.008 (0.4±0.2) .049±.008 (1.25±0.2) .079±.008 (2.0±0.2) (0805) .02±.012 (0.5±0.3) .02±.006 (0.5±0.15) .02±.012 (0.5±0.3) .063±.008 (1.6±0.2) .126±.008 (3.2±0.2) (1206) Wc d t Dimensions inches(mm)Type (0603) (Inch Size Code) TE: 4mm embossed pitch plastic (5,000 pieces/reel) 2 significant figures + 1 multiplier for ±2% and ±5% 3 significant figures + 1 multiplier for ±1% 1J: 0603 2A: 0805 2B: 1206 T: Sn F: ±1% G:±2% J: ±5% LP73 2B 3600T Size CodeType Resistance Value Tolerance T.C.R.Termination Material Packaging New Part # TE 103 J
ordering information
1733 Reader's Spreads pg1-203:document 1/27/09 4:11 PM Page 150
thin film resistance thermal chip sensors Power Rating Rated Ambient Temp. Operating Temp. Range applications and ratings Part Designation Resistance Tolerance T.C.R. Tolerance T.C.R. (ppm/°C) Max. 100Ω- 1kΩ 100Ω- 2kΩ 100Ω- 10kΩ Resistance Range E-24 LP731J LP732A LP732B F: ±1% G: ±2% J: ±5% ±5% 3000 3300 3600 4000 4500 5000 0.016WLP731J 0.031WLP732A 0.063W +70°C LP732B -55°C to +125°C Performance Characteristics Resistance Within regulated tolerance T.C.R. +25°C/+65°C 25°C Within specified T.C.R. Overload Rated voltage x 2.5 for 5 seconds±0.5% Resistance to Solder Heat 260°C ± 5°C, 10 seconds ± 1 second Rapid Change of Temperature -55°C (30 minutes),+25°C (2-3 minutes), +125°C (30 minutes), +25°C (2-3 minutes), 5 cycles ±0.5% Endurance at 70°C 70°C ± 2°C, 1000 hours, 1.5 hours ON, 0.5 hours OFF cycle Moisture Resistance 40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hours ON, 0.5 hours OFF cycle±2.0% Derating Curve Temperature Characteristics % Rated Power 100 -60 -40 -20 0 406 08 01 001 40 Ambient Temperature (°C) -55 120 125 -10 -50 -25 0 507 51 001 25 Ambient Temperature (°C) -40-75 4000ppm/°C -20 -30 3600ppm/°C 3300ppm/°C 3000ppm/°C Resistance Changing Rate (∆R) 4600ppm/°C 6000ppm/°C PMS 300 neg. Black neg. Approximate Expression for Resistance-Temperature Characteristics C1 C2 3000 3300 3600 0.930587 0.00265022 3.89831 x 10 4.00637 x 10-6 4.34173 x 10-6 0.924633 0.915818 T.C.R. (x10-6/K) 0.00292657 0.003232524 (Values are not guaranteed but typical) R T=R 25 (C 0+C 1T+C 2T2) R T: Resistance value at T°C R 25: Resistance value at 25°C T: Ambient temperature (°C) C 0, C1, C2: Constants environmental applications Thermal Time Constant (sec.) Thermal Dissipation Constant (mW/°C) 6.5 1.2 1.8 2.4 4000 4500 5000 0.907050 0.00361010 4.33462 x 10 6.05201 x 10-6 7.48048 x 10-6 0.897412 0.885114 0.00395222 0.00436780 ±0.5% ±2.0% +125°C, 1000 hoursHigh Temperature Exposure –– ±0.3% ±0.3% ±1.5% ±0.3% ±1.5% 8 (Reference) Parameter Requirement ∆ R Limit Typical Test Method 153KOA Speer Electronics, Inc.• 199 Bolivar Drive • Bradford, P A 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 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 circuit protection