resistors RD41 fixed carbon film melf resistor EU features * * * * * Suitable for reflow and wave soldering Metal plate terminals Meets or exceeds IEC 60115-8, EIAJ RC-2131A Marking: Ivory body color with three color-coded bands Products with lead-free terminations meet EU RoHS and China RoHS requirements dimensions and construction Type L D3 C D1 D2 Insulation Coating Trimming Resistive Line Film Marking End Cap Ceramic Core Dimensions inches (mm) C (min.) D1 D2 (max.) D3 (max.) (Inch Size Code) L 2A (0805) .079.004 (2.00.1) .012 (0.3) .049.002 (1.250.05) .053 (1.35) 2B (1406) .138.008 (3.50.2) .02 (0.5) .057.004 (1.450.1) .061 (1.55) 2D (1206) .126.008 (3.20.2) .02 (0.5) .061.006 (1.550.15) .069 (1.75) 2E (2309) .232.008 (5.90.2) .02 (0.5) .087.004 (2.20.1) .094 (2.4) .003 (0.07) .004 (0.1) .006 (0.15) ordering information New Part # RD41 2B Type Size 2A 2B 2D 2E T Termination Material T: Sn TE Packaging TE: 7" embossed plastic (2A, 2B - 3,000 pieces/reel) (2D - 2,000 pieces/reel) (2E - 1,500 pieces/reel) 103 Nominal Resistance 2 significant figures + 1 multiplier "R" indicates decimal on value <10 J Tolerance G: 2% J: 5% 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. 58 11/10/09 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com fixed carbon film melf resistor applications and ratings Part Designation Power Rating @ 70C Resistance Range E-24* Absolute Maximum Working Voltage Absolute Maximum Overload Voltage RD412A 0.125W 2.2 - 1.0M 150V 200V RD412B 0.125W 2.2 - 1.0M 200V 400V RD412D 0.2W 1.0 - 1.0M 200V 400V RD412E 0.25W 1.0 - 2.2M 300V 600V Resistance Tolerance Operating Temperature Range G: 2% J: 5% -55C to +155C * See Appendix D for available decade values. environmental applications Derating Curve Surface Temperature Rise 80 40 Temperature Rise (C) 50 % Rated Power 100 60 40 20 0 0 20 40 60 80 100 120 70 Ambient Temperature (C) 140 2B 30 2D 20 2A 10 0 160 155 2E 0 25 50 75 100 % Rated Power Performance Characteristics Parameter Resistance T.C.R. Overload (Short time) Requirement R Limit Typical Within specified -- tolerance Within specified -- T.C.R. 0.5% 0.3% Intermittent Overload 1.0% -- Resistance to Solder Heat Rapid Change of Temperature Moisture Resistance Endurance at 70C Low Temperature Operation High Temperature Exposure 1.0% 1.0% 5.0% 2.0% 1.0% 2.0% 0.5% 0.75% 2.5% 1.0% 0.75% 1.0% Test Method 25C +25C/-55C, +25C/+125C Rated voltage x 2.5 for 5 seconds Rated voltage x 4 (2Ax3) or Max. intermittent overload voltage, whichever is lower, 10,000 cycles. 2A: 300V, 2B: 400V, 2D: 500V, 2E: 600V 260C 5C, 10 seconds 1 second -55C (30 minutes), +125C (30 minutes), 5 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 -55C, 1 hour +125C, 100 hours Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/13/09 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 59 resistors RD41