1733 Reader's Spreads pg1-203:document 1/27/09 4:03 PM Page 24 SG73-RT resistors surge current flat chip resistors (anti-sulfuration) EU features • Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material • Superior to RK73 series chip resistors in pulse withstanding voltage • Suitable for both flow and reflow soldering • Marking: White three-digit on wine red protective coat • Products with lead-free terminations meet EU RoHS requirements. Pb located in glass material, electrode and resistor element is exempt per Annex 1, exemption 5 of EU directive 2005/95/EC dimensions and construction L c Type c W Solder Plating Ni Plating t Protective Coating d Resistive Inner Film Electrode Derating Curve 100 80 60 Dimensions inches (mm) W c d t 1J (0603) .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) 2A (0805) .079±.008 .049±.004 .016±.008 (2.0±0.2) (1.25±0.1) (0.4±0.2) 2B (1206) Ceramic Substrate % Rated Power L (Inch Size Code) .126±.008 (3.2±0.2) .012 (0.3 .063±.008 (1.6±0.2) 2E (1210) .102±.008 (2.6±0.2) W2H (2010) .197±.008 .098±.008 (5.0±0.2) (2.5±0.2) W3A (2512) .248±.008 .122±.008 (6.3±0.2) (3.1±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) 40 20 0 -60 -40 -20 -55 0 20 40 60 80 100 120 140 160 70 155 Ambient Temperature (°C) ordering information New Part # SG73 103 K Nominal Resistance ±10%, ±20%: 2 significant figures + 1 multiplier “R” indicates decimal on value <10Ω Resistance Tolerance K: ±10% M:±20% Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/07/08 Type SG73 26 2A RT Power Rating 1J 2A 2B 2E W2H W3A Termination Material RT: Sn Anti-Sulfur TD Packaging TP: 0603, 0805: 7" 2mm pitch punch paper TD: 0603, 0805, 1206, 1210: 7" 2mm pitch punched paper TDD: 0603, 0805, 1206, 1210: 10" paper tape TE: 0805, 1206, 1210, 2010 & 2512: 7" punched plastic TED: 0805, 1206, 1210, 2010 & 2512: 10" punched plastic For further information on packaging, please refer to Appendix A 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 4:03 PM Page 25 PMS 300 neg. Black neg. surge current flat chip resistors (anti-sulfuration) applications and ratings Part Designation Power Rating 1J (0603) 0.1W 2A (0805) 0.125W 2B (1206) 0.25W 2E (1210) W2H (2010) 0.33W W3A (2512) 1W 0.75W T.C.R. (ppm/°C) Max. ±400 ±200 ±400 ±200 ±400 ±200 ±400 ±200 ±400 ±200 ±400 ±200 Resistance Range (E-12) (E-12) (K±10%) (M±20%) 1Ω - 8.2Ω 10Ω - 1MΩ 1Ω - 8.2Ω 10Ω - 1MΩ 1Ω - 8.2Ω 10Ω - 1MΩ 1Ω - 8.2Ω 10Ω - 1MΩ 1Ω - 8.2Ω 10Ω - 1MΩ 1Ω - 8.2Ω 10Ω - 1MΩ Maximum Working Voltage Maximum Overload Voltage 50V 100V 150V 200V Rated Ambient Temperature Operating Temperature Range +70°C -55°C to +155°C 400V 200V environmental applications Performance Characteristics Parameter Resistance T.C.R. Requirement ∆ R Limit Typical Within specified — tolerance Within specified — T.C.R. Test Method 25°C +25°C/-55°C and +25°C/+125°C Overload (Short time) ±2% ±0.5% Rated Voltage x 2.5 for 5 seconds Resistance to Solder Heat ±1% ±0.75% 260°C ± 5°C, 10 seconds ± 1 second ±0.5% ±0.3% -55°C (30 minutes), +125°C (30 minutes), 100 cycles Moisture Resistance ±3% ±0.75% 40°C ± 2°C, 90%~95%RH, 1000 hours; 1.5 hr ON, 0.5 hr OFF cycle Endurance at 70°C ±3% ±0.75% 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle High Temperature Exposure ±1% ±0.5% +155°C, 1000 hours — ±0.5% H2S 1000ppm, +25°C, 90%Rh, 720 hours Rapid Change of Temperature Sulfuration Test 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. 11/07/08 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 27 resistors SG73-RT