resistors SG73G endured pulse power flat chip resistors (ultra precision grade) EU features * Superior to RK73 series chip resistors in pulse withstanding voltage and high power * High precision resistor with T.C.R. 50x10-6/K and tolerance 0.25%, 0.5% * Suitable for both reflow and flow solderings * Products with lead-free terminations meet EU RoHS requirements. EU RoHS regulation is not intended for Pb-glass contained in electrode, resistor element and glass. * AEC-Q200 Qualified dimensions and construction Type L c (Inch Size Code) c W Solder Plating Ni Plating t Protective Coating d Resistive Inner Film Electrode Dimensions inches (mm) W c d L t SG73G1J (0603) .063.008 .031.004 .012.004 .012.004 .018.004 (1.60.2) (0.80.1) (0.30.1) (0.30.1) (0.450.1) SG73G2A (0805) .079.008 .049.004 (2.00.2) (1.250.1) .012 SG73G2B (1206) .126.008 .063.008 (3.20.2) (1.60.2) .016 Ceramic Substrate (0.3 (0.4 +.008 -.004 +0.2 ) -0.1 .012 +.008 -.004 +0.2 ) -0.1 .016 (0.3 (0.4 +.008 -.004 +0.2 ) -0.1 .02.004 (0.50.1) +.008 -.004 +0.2 ) -0.1 .024.004 (0.60.1) Derating Curve 100 1J/0.2W 2A/0.25W 2B/0.33W 80 % Rated Power % Rated Power 80 100 1J/0.2W 2A/0.25W 2B/0.33W 60 40 60 40 0 -60 -40 -20 -55 0 80 100 120 140 160 70 155 Ambient Temperature (C) 20 40 60 For resistors operated at an ambient temperature of 70C or above, a power rating shall be derated in accordance with the derating curve. 60 40 20 20 20 2A/0.5W (100C) 2B/0.5W (120C) 1J/0.33W (125C) 80 % Rated Power 100 0 -60 -40 -20 -55 100 120 140 160 125 155 Terminal Part Temperature (C) 0 20 40 60 80 0 -60 -40 -20 -55 0 20 40 60 80 100 120 140 160 125 155 Terminal Part Temperature (C) For resistors operated at a terminal part temperature of described for each size or above, a power rating shall be derated in accordance with the derating curve. Please refer to "Introduction of the derating curve based on the terminal part temperature" in the beginning of our catalog before use. *1 If you want to use the rated power of *1, please use the derating curve based on the terminal part temperature on the right hand side. ordering information SG73G 2A T TD 1002 D Type Power Rating Termination Material Packaging Nominal Resistance Tolerance D: 3 significant figures + 1 multiplier "R" indicates decimal on value <100 C: 0.25% D: 0.5% SG73G 1J: 0.33W 2A: 0.5W 2B: 0.5W T: Sn TP: 2mm pitch punch paper TD: 4mm pitch punched paper TE: 4mm pitch embossed plastic 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. 46 10/25/18 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com endured pulse power flat chip resistors (ultra precision grade) applications and ratings Part Designation Power Rating @ 70C Rated Ambient Temp. Rated Terminal Part Temp. 0.2W 70C 125C SG73G1J (0603) 0.33W* -- 125C 70C 125C 1 0.25W SG73G2A (0805) 0.5W*1 -- 100C 0.33W 70C 125C SG73G2B (1206) 0.5W* -- 1 T.C.R. (ppm/C) Max. Resistance Range () C0.25%, D0.5% E-24/E-96 Absolute Maximum Working Voltage Absolute Maximum Overload Voltage 50 10 - 1M 150V 200V 50 10 - 1M 200V 400V 50 10 - 1M 200V 400V Operating Temp. Range -55C to +155C 120C Parentheses indicate EIA package size codes. Rated voltage = Power rating x resistance value or max. working voltage, whichever is lower. If any questions should arise whether to use the "Rated Ambient Temperature" or the "Rated Terminal Part Temperature," please give priority to the "Rated Terminal Part Temperature." Prior to use and for more details refer to "Introduction of the derating curves on the terminal part temperature" in the beginning of the catalog. *1 If you want to use the rated power of *1, please use the derating curve based on the terminal part temperature on the previous page. One-Pulse Limiting Electric Power environmental applications One-Pulse Limiting Electric Power 1000 100 10 2B 2A 1J 1 0.1 .001 .01 .1 1 10 100 1000 The maximum applicable voltage is equal to the max. overload voltage. Please contact factory for resistance characteristics of continuous applied pulse. Pulse Duration (ms) Performance Characteristics Parameter Resistance T.C.R. Overload (Short time) Resistance to Solder Heat Rapid Change of Temperature Moisture Resistance Endurance at 70C High Temperature Exposure Requirement R Limit Within specified tolerance Within specified T.C.R. 2% 1% 0.5% 2% 2% 1% (%+0.1) Typical Test Method -- 25C -- +25C/-55C and +25C/+125C 0.5% 0.75% 0.3% 0.75% 0.75% 0.3% Rated Voltage x 2.5 for 5 seconds (2A: 0.5W rated power x 2 for 5 seconds) 260C 5C, 10 seconds 1 second -55C (30 minutes), +125C (30 minutes), 100 cycles 40C 2C, 90%~95%RH, 1000 hours; 1.5 hr ON, 0.5 hr OFF cycle 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle +155C, 1000 hours Additional environmental applications can also be found at 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. 10/25/17 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 47 resistors SG73G