coat insulated, precision coat insulated miniature wirewound leaded resistors EU features * Flameproof silicone coating (UL94V0) * Suitable for automatic machine insertion * Marking: Blue-gray body color with color-coded bands Precision: Color-coded bands and alpha-numeric black marking * Products with lead-free terminations meet EU RoHS and China RoHS requirements dimensions and construction L Ceramic Core t l t d D 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) .138.039 (3.51.0) CW1 Marking Resistive Wire End Cap Lead Wire CW1X Insulation Coating .138+.039 -0 (3.5+1.5 ) -0 .374.039 (9.51.0) CW1P .138.039 (3.51.0) CW2 .157.039 (4.01.0) CW2X .472.039 (12.01.0) .118 (3.0) CW2P .157+.039 -0 (4.0+1.5 ) -0 .157.039 (4.01.0) 1.18.118 (30.03.0) .031 (0.8) .236.039 (6.01.0) CW3 CW3X l .236+.039 -0 (6.0+1.5 ) -0 .591.039 (15.01.0) .236.039 (6.01.0) CW3P CW5 .945.059 (24.01.5) CW1S .256.039 (6.51.0) 1.50.118 (38.03.0) .354.039 (9.01.5) .039 (1.0) .098.039 (2.51.0) .024 (0.6) 1.18.118 (30.03.0) ordering information New Part # CW Type For further information on packaging, please refer to Appendix C. 1/2 Power Rating 1/4: 0.25W 1/2: 0.5W 1: 1W 2: 2W 3: 3W 5: 5W P Style Nil: Power P: Precision S: Small X: Power C T52 Termination Material C: SnCu (Other termination styles available, contact factory for options) Taping and Forming Axial: T26, T52, T521, T631 Stand-off Axial: L52A, L52B Radial: VTP, GT L forming A Packaging A: Ammo R: Reel 103 F Nominal Resistance Tolerance 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 Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. C: 0.25% D: 0.5% F: 1% G: 2% J: 5% K: 10% 2/11/08 KOA Speer Electronics, Inc. * Bolivar Drive * P.O. Box 547 * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 127 resistors CW, CWP CW, CWP resistors 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 T.C.R. (ppm/C) Max. Rated Operating Ambient Temperature Temperature Range Resistance Range () E-24, E-96 (C0.25%) E-24, E-96 (D0.5%) E-24, E-96 (F1%) E-24 (J5%) E-24 (K10%) 0.47 - 15 0.47 - 15 0.1 - 100 0.1 - 100 E-24 (G2%) -- 0.1 - 430 0.1 - 430 0.1 - 2k 0.1 - 2k 3.0W 0.1 - 3k 0.1 - 3k CW5 5.0W 0.1 - 4.7k 0.1 - 4.7k CW1X 1.0W CW2X 2.0W CW3X 3.0W CW1S 1.0W CW1P 1.0W CW2P 2.0W CW3P 3.0W 250 -- -- -- -- +70C -40C to +155C 0.01 - 0.091 0.01 - 0.091 0.01 - 0.091 0.01 - 0.091 500 -- -- -- -- 250 -- -- -- -- 0.1 - 100 0.1 - 100 1 - 100 0.47 - 220 0.1 - 430 1 - 430 0.47 - 750 0.1 - 2k -- -- -- 1 - 620 0.47 - 1k 0.1 - 3k 0.01 - 0.091 0.01 - 0.091 90: R10* 50: R<10 +25C * T.C.R. = 20ppm/C available on request environmental applications Derating Curve Surface Temperature Rise CW CWP 60 40 20 Temperature Rise (C) 80 0 -40 300 100 % Rated Power % Rated Power 100 80 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 Requirement R (% + 0.05) Limit Typical Test Method 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 -- Resistance 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. 128 12/28/05 KOA Speer Electronics, Inc. * Bolivar Drive * P.O. Box 547 * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com