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| 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 c L c Type (Inch Size Code) L Dimensions inches (mm) W c d t W Solder Plating t d Protective Coating Resistive Inner Film Electrode Ni Plating 1J (0603) 2A (0805) 2B (1206) 2E (1210) W2H (2010) W3A (2512) .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) .079.008 .049.004 .016.008 (2.00.2) (1.250.1) (0.40.2) .063.008 (1.60.2) .102.008 (2.60.2) .197.008 .098.008 (5.00.2) (2.50.2) .248.008 .122.008 (6.30.2) (3.10.2) .012 (0.3 .016 (0.4 .02.012 (0.50.3) .026.006 (0.650.15) +.008 -.004 +0.2 ) -0.1 +.008 -.004 +0.2 ) -0.1 .02.004 (0.50.1) Ceramic Substrate .126.008 (3.20.2) Derating Curve 100 80 % Rated Power 60 40 20 0 -60 -40 -20 -55 .024.004 (0.60.1) 0 20 40 60 80 100 120 140 160 70 155 Ambient Temperature (C) ordering information New Part # SG73 Type SG73 2A Power Rating 1J 2A 2B 2E W2H W3A RT 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 103 Nominal Resistance 10%, 20%: 2 significant figures + 1 multiplier "R" indicates decimal on value <10 K 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 26 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com SG73-RT surge current flat chip resistors (anti-sulfuration) applications and ratings Part Designation 1J (0603) 2A (0805) 2B (1206) 2E (1210) W2H (2010) W3A (2512) Power Rating 0.1W 0.125W 0.25W 0.33W 0.75W 1W T.C.R. (ppm/C) Max. 400 200 400 200 400 200 400 200 400 200 400 200 Resistance Range (E-12) (E-12) (K10%) (M20%) 1 - 8.2 10 - 1M 1 - 8.2 10 - 1M 1 - 8.2 10 - 1M 1 - 8.2 10 - 1M 1 - 8.2 10 - 1M 1 - 8.2 10 - 1M Maximum Working Voltage 50V 150V Maximum Overload Voltage 100V 200V -55C to +155C Rated Ambient Temperature Operating Temperature Range resistors +70C 200V 400V environmental applications 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 Sulfuration Test Requirement R Limit Typical Within specified -- tolerance Within specified -- T.C.R. 2% 1% 0.5% 3% 3% 1% -- 0.5% 0.75% 0.3% 0.75% 0.75% 0.5% 0.5% Test Method 25C +25C/-55C and +25C/+125C Rated Voltage x 2.5 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 H2S 1000ppm, +25C, 90%Rh, 720 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. 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 |
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