surge current flat chip resistors (anti-sulfuration) EU features • Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material/pulse • Superior to RK73 series chip resistors in pulse withstanding voltage • Marking: White three-digit on wine red protective coat • 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 Type dimensions and construction L c SG73 1J (0603) c SG73 2A (0805) W Solder Plating SG73 2B (1206) Ni Plating t d Protective Coating SG73 2E (1210) Resistive Inner Electrode Film Ceramic Substrate SG73 W2H (2010) NEW SG73 W3A (2512) ordering information New Part # SG73 Type SG73 NEW SG73P NEW SG73S 2A Power Rating 1E 1J 2A 2B 2E W2H W3A RT Termination Material RT: Sn Anti-Sulfur L (Inch Size Code) SG73S 1E, SG73P 1E (0402) SG73S 1J, SG73P 1J (0603) SG73S 2A, SG73P 2A (0805) SG73S 2B, SG73P 2B (1205) SG73S 2E, SG73P 2E (1210) Dimensions inches (mm) W c d t .063±.008 .031±.004 .012±.004 .012±.004 .018±.004 (1.6±0.2) (0.8±0.1) (0.3±0.1) (0.3±0.1) (0.45±0.1) .079±.008 .049±.004 .016±.008 (2.0±0.2) (1.25±0.1) (0.4±0.2) .126±.008 (3.2±0.2) .197±.008 .098±.008 (5.0±0.2) (2.5±0.2) .016 (0.4 +.008 -.004 +0.2 ) -0.1 .02±.004 (0.5±0.1) +.008 -.004 +0.2 ) -0.1 .02±.012 (0.5±0.3) .024±.004 (0.6±0.1) .026±.006 (0.65±0.15) .248±.008 .122±.008 (6.3±0.2) (3.1±0.2) +.004 -.002 +0.1 ) (1.0 -0.05 (0.3 .063±.008 (1.6±0.2) .102±.008 (2.6±0.2) .039 .012 +.002 .020±.002 .006±.004 .010 -.004 .014±.002 (0.5±0.05) (0.15±0.1) (0.25 +0.05) (0.35±0.05) -0.1 .063±.008 .031±.004 .012±.004 .012±.004 .018±.004 (1.6±0.2) (0.3±0.1) (0.3±0.1) (0.45±0.1) (0.8±0.1) .079±.008 .049±.004 (2.0±0.2) (1.25±0.1) .126±.008 (3.2±0.2) .063±.008 (1.6±0.2) .102±.008 (2.6±0.2) TD Packaging TP: 0402, 0603, 0805: 7" 2mm pitch punch paper TD: 0603, 0805, 1206, 1210: 7" 4mm pitch punched paper TDD: 0603, 0805, 1206, 1210: 10" paper tape TE: 0805, 1206, 1210, 2010 & 2512: 7" embossed plastic TED: 0805, 1206, 1210, 2010 & 2512: 10" embossed plastic For further information on packaging, please refer to Appendix A .012 (0.3 .016 (0.4 +.008 -.004 +0.2 ) -0.1 .012 +.008 -.004 +0.2 ) -0.1 .016 103 (0.3 (0.4 +.008 -.004 +0.2 ) -0.1 +.008 -.004 +0.2 ) -0.1 Nominal Resistance ±0.5%, ±1%: 3 significant figures + 1 multiplier ±2%, ±5%, ±10%, ±20%: 2 significant figures + 1 multiplier “R” indicates decimal on value <10Ω Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. .020±.004 (0.5±0.1) .024±.004 (0.6±0.1) K Resistance Tolerance D: ±0.5% F: ±1% G: ±2% J: ±5% K: ±10% M:±20% 11/27/14 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 41 resistors SG73-RT resistors SG73-RT surge current flat chip resistors (anti-sulfuration) applications and ratings Power Rating SG73 2B (1206) 0.125W SG73 2A (0805) SG73 2E (1210) SG73 W2H (2010) SG73 W3A (2512) SG73S 1E SG73P 1E SG73S 1J SG73P 1J SG73S 2A SG73P 2A SG73S 2B SG73P 2B SG73S 2E SG73P 2E ±400 ±200 ±400 ±200 ±400 ±200 ±400 ±200 ±400 ±200 ±400 ±200 0.1W 0.25W 0.33W 0.75W 1W 0.125W (0.2W*) ±200 0.2W (0.25W*) ±100** Resistance Range D: ±0.5% E-24, E-96 F: ±1% E-24, E-96 G: ±2% E-24 J: ±5% E-24 — — — — Rated Operating K: ±10% Maximum Maximum Terminal Temp. Overload Working M: ±20% Part Temp. Range Voltage Voltage E-12 1Ω - 8.2Ω 80°C 100V 50V 10Ω - 1MΩ 1Ω - 8.2Ω 150V 200V 85°C 10Ω - 1MΩ 1Ω - 8.2Ω 10Ω - 1MΩ 100°C 1Ω - 8.2Ω 10Ω - 1MΩ 400V 200V 1Ω - 8.2Ω -55°C 10Ω - 1MΩ 125°C to 1Ω - 8.2Ω +155°C 10Ω - 1MΩ 85°C 50V 0.25W (0.33W*) 0.33W (0.5W*) 100V 95°C 100Ω - 1MΩ 10Ω - 1MΩ 10Ω - 10MΩ 1Ω - 10MΩ — 150V (*200V) 200V (*400V) 200V 400V 100°C ±200 110°C 0.5W * Please refer to the “Higher Power Ratings” statement in the beginning of the catalog. Also, contact KOA prior to usage and for the max. working voltage and max. overload voltage. ** Cold T.C.R. of SG73P/S 1J is ±150x10-6/K Rated ambient temperature: +70°C Rated voltage = √Power rating x resistance value or max. working voltage, whichever is lower environmental applications Derating Curve SG73, SG73P, SG73S 100 % Rated Power 80 60 40 For resistors operated at an ambient temperature of 70°C or above, a power rating shall be derated in accordance with the derating curve. 20 0 -60 -40 -20 -55 0 20 40 60 80 100 120 140 160 70 155 Ambient Temperature (°C) SG73 1J/0.1W (80°C) 2A/0.125W (85°C) 2B/0.25W (100°C) 2E/0.33W (100°C) W2H/0.75W (125°C) W3A/1W (125°C) 80 60 40 SG73P, SG73S 100 1E/0.125W (85°C) 1J/0.2W (95°C) 2A/0.25W (100°C) 2B/0.33W (100°C) 2E/0.5W (110°C) 80 % Rated Power 100 % Rated Power NEW T.C.R. (ppm/°C) Max. Part Designatio n SG73 1J (0603) 60 40 20 20 0 -60 -40 -20 -55 0 60 80 100 120 140 160 85 125 155 Terminal Part Temperature (°C) 20 40 0 -60 -40 -20 -55 0 20 40 60 80 100 120 140 160 85 95 110 155 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” on the beginning of our catalog before use. 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. 42 12/05/14 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com surge current flat chip resistors (anti-sulfuration) environmental applications SG73 100000 One-Pulse Limiting Electric Power One-Pulse Limiting Electric Power One-Pulse Limiting Electric Power 10000 1000 100 3A 2H 2E 2B 2A 1J 10 1 .001 .01 1 .1 10 100 SG73P 1000 100 10 2E 2B 2A 1J 1 1E 0.1 .001 1000 .01 SG73S 1E SG73S 2A 12 6 5 4 Human model 3 2 1 Machine model 1 10 100 1k 10k 100k 1M 8 6 Human model 4 Machine model 2 0 10M 8 6 Human model 4 Machine model 2 10 100 1k 10k 100k 1M 10M 1 10 100 Nominal Resistance (Ω) SG73S 2B 1k 10k 100k 1M 10M Nominal Resistance (Ω) SG73S 2E 20 18 ESD Limiting Voltage (kV) 14 12 10 Human model 8 6 4 Machine model 2 0 1 10 0 1 Nominal Resistance (Ω) 16 ESD Limiting Voltage (kV) 7 ESD Limiting Voltage (kV) ESD Limiting Voltage (kV) 1000 100 SG73S 1J 10 0 ESD Limiting Voltage (kV) 10 Pulse Duration (ms) ESD Limiting Voltage 8 1 .1 Pulse Duration (ms) 16 14 12 10 Human model 8 6 4 Machine model 2 10 1k 100 10k 100k 1M 0 1 10M 10 Nominal Resistance (Ω) Performance Characteristics Parameter Resistance T.C.R. Overload (Short time) Resistance to Solder Heat Rapid Change of Temperature Moisture Resistance Endurance at 70°C High Temperature Exposure Sulfuration Test Requirement ∆ R Limit Within specified tolerance Within specified T.C.R. ±2% ±1% ±0.5% ±3% ±3% ±1% ±5% 1k 100 10k 100k 1M 10M Nominal Resistance (Ω) ±(%+0.1Ω) Typical Test Method — 25°C — +25°C/-55°C and +25°C/+125°C ±0.5% ±0.75% ±0.3% ±0.75% ±0.75% ±0.3% — Rated Voltage x 2.5 for 5 seconds 260°C ± 5°C, 10 seconds ± 1 second -55°C (30 minutes), +125°C (30 minutes), 100 cycles 40°C ± 2°C, 90%~95%RH, 1000 hours; 1.5 hr ON, 0.5 hr OFF cycle 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle +155°C, 1000 hours Soaked in industrial oil with 3.5% sulfur concentration 105°C ± 3°C, 500 hours Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/27/14 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 43 resistors SG73-RT