CW, CWP coat insulated, precision coat insulated miniature wirewound leaded resistors features * Flameproof silicone coating (UL94V-0) * Suitable for automatic machine insertion * Marking: Blue-gray body color with color-coded bands Precision: Color-coded bands and alpha-numeric black marking dimensions and construction l t d D Marking Resistive Wire End Cap Lead Wire Insulation Coating Dimensions inches (mm) t (max.) D d (nom.) Type L CW1/4 .13.012 (3.30.3) .02 (0.5) .075.012 (1.90.3) .018 (0.45) CW1/2 .256.039 (6.51.0) .039 (1.0) .098.039 (2.51.0) .024 (0.6) CW1 CW1P .374.039 (9.51.0) CW2 CW2P .472.039 (12.01.0) CW3 CW3P .591.039 (15.01.0) CW5 .945.059 (24.01.5) .138.039 (3.51.0) .118 (3.0) .157.039 (4.01.0) .236.039 (6.01.0) l 1.18.118 (30.03.0) .031 (0.8) .354.039 (9.01.5) 1.50.118 (38.03.0) leaded resistors L Ceramic Core t ordering information Old Part # New Part # CW1/2 103 J T52 Type Nominal Resistance Tolerance Packaging CW 1/2 P L T52 Termination Material L: SnPb C: SnCu Taping and Forming Axial: T26, T52, T521, T631 Stand-off Axial: L52A, L52B Radial: VTP, GT L forming Type For further information on packaging, please refer to Appendix C. Power Rating 1/4: 0.25W 1/2: 0.5W 1: 1W 2: 2W 3: 3W 5: 5W Style Nil: Power P: Precision A Packaging A: Ammo R: Reel 103 Nominal Resistance 2%, 5%: 2 significant figures + 1 multiplier "R" indicates decimal on value <10 1%: 3 significant figures + 1 multiplier "R" indicates decimal on value <100 F Tolerance C: 0.25% D: 0.5% F: 1% G: 2% J: 5% Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. KOA Speer Electronics, Inc. * Bolivar Drive * P.O. Box 547 * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 199 CW, CWP coat insulated, precision coat insulated miniature wirewound leaded resistors applications and ratings Part Designation Power Rating CW1/4 0.25W CW1/2 0.5W CW1 1.0W CW2 2.0W CW3 3.0W CW5 5.0W CW1P 1.0W CW2P 2.0W CW3P 3.0W T.C.R. (ppm/C) Max. Resistance Range E-24, E-96 (C0.25%) E-24, E-96 (D0.5%) E-24, E-96 (F1%) E-24 (G2%) E-24 (J5%) 0.47 - 15 -- 250 -- -- -- Rated Operating Ambient Temperature Temperature Range 0.1 - 100 0.1 - 430 0.1 - 430 0.1 - 2k 0.1 - 2k 0.1 - 3k 0.1 - 3k +70C -40C to +155C 0.1 - 4.7k 0.1 - 4.7k 90: R<10* 50: R> 1 - 100 0.47 - 220 0.1 - 430 1 - 430 0.47 - 780 0.1 - 2k 1 - 620 0.47 - 1k 0.1 - 3k -- -- +25C * T.C.R. = 20ppm/C available on request environmental applications Derating Curve Surface Temperature Rise CWP 80 80 % Rated Power 100 % Rated Power 100 60 40 20 0 -40 300 Temperature Rise (C) CW 60 40 20 0 40 80 120 160 200 70 155 Ambient Temperature (C) 240 280 275 0 -40 0 40 25 80 120 160 200 155 Ambient Temperature (C) 240 280 275 CW5 CW3, CW3P 250 200 CW2, CW2P 150 CW1, CW1P CW1/2 CW1/4 100 50 0 0 25 50 75 100 % Rated Power Performance Characteristics Parameter Resistance Requirement R (% + 0.05) Limit Typical Test Method leaded resistors Within regulated tolerance -- 25C 250ppm/C: CW 90, 20ppm/C: CWP, R10 50ppm/C: CWP, R<10 -- CW: Room temperature/100C up CWP: +25C/-40C and +25C/+155C Overload 1: CW 0.5: CWP 0.8: CW 0.4: CWP CW: Power rating x 10 for 5 seconds CWP: Power rating x 6.25 for 5 seconds Resistance to Solder Heat 1: CW 0.5: CWP 0.8: CW 0.4: CWP 350C 10C for 3.5 seconds or 260C 5C for 10 seconds Moisture Resistance 5: CW 2: CWP 4: CW 1.6: CWP Power rating x 1/10, 40C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle Endurance @ 70C 5: CW 2: CWP 4: CW 1.6: CWP 70C, 1000 hours (CW), 25C, 1000 hours (CWP) 1.5 hr ON, 0.5 hr OFF cycle No evidence of damage to protective coating and marking -- T.C.R. Resistance to Solvent After immersing the sample in IPA for 3 min., the resistor surface should be wiped with a dry cloth (velvet or gauze) Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 200 KOA Speer Electronics, Inc. * Bolivar Drive * P.O. Box 547 * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com