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| CW, CWP coat insulated, precision coat insulated miniature wirewound leaded resistors EU features * Flameproof silicone coating equivalent (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 t D L Ceramic Core l t d Type CW1/4 CW1/2 CW1 Marking Resistive Wire End Cap Lead Wire CW1X CW1P CW2 CW2X CW2P CW3 CW3X CW3P CW5 CW1S .945.059 (24.01.5) .256.039 (6.51.0) .039 (1.0) .591.039 (15.01.0) .472.039 (12.01.0) .374.039 (9.51.0) L .13.012 (3.30.3) .256.039 (6.51.0) Dimensions inches (mm) t (max.) D d (nom.) .02 (0.5) .039 (1.0) .075.012 (1.90.3) .098.039 (2.51.0) .138.039 (3.51.0) .138+.039 -0 (3.5+1.5) -0 .138.039 (3.51.0) .157.039 (4.01.0) .118 (3.0) .157+.039 -0 (4.0+1.5) -0 .157.039 (4.01.0) .236.039 (6.01.0) .236+.039 -0 (6.0+1.5) -0 .236.039 (6.01.0) .354.039 (9.01.5) .098.039 (2.51.0) .024 (0.6) 1.50.118 (38.03.0) 1.18.118 (30.03.0) .031 (0.8) 1.18.118 (30.03.0) .018 (0.45) .024 (0.6) l Insulation Coating ordering information New Part # CW Type 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 Termination Material C: SnCu T52 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 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% K: 10% For further information on packaging, please refer to Appendix C. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/30/08 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 127 resistors CW, CWP resistors coat insulated, precision coat insulated miniature wirewound leaded resistors applications and ratings Part Designation CW1/4 CW1/2 CW1 CW2 CW3 CW5 CW1X CW2X CW3X CW1S CW1P CW2P CW3P Power Rating 0.25W 0.5W 1.0W 2.0W 3.0W 5.0W 1.0W 2.0W 3.0W 1.0W 1.0W 2.0W 3.0W 250 90: R10* 50: R<10 -- 1 - 100 1 - 390 1 - 390 -- 0.47 - 220 0.47 - 390 0.47 - 390 -- 0.1 - 430 0.1 - 390 0.1 - 390 -- -- -- +25C -- 500 -- -- -- -- 250 -- -- -- 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%) -- 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 E-24 (J5%) 0.47 - 15 0.1 - 100 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 0.01 - 0.091 0.01 - 0.091 0.01 - 0.091 0.01 - 0.091 0.01 - 0.091 0.01 - 0.091 0.1 - 100 0.1 - 100 -- +70C -40C to +155C E-24 (K10%) 0.47 - 15 0.1 - 100 Rated Operating Ambient Temperature Temperature Range * T.C.R. = 20ppm/C available on request environmental applications Derating Curve CW 100 % Rated Power 80 60 40 20 0 -40 0 40 160 200 80 120 70 155 Ambient Temperature (C) 240 280 275 100 % Rated Power 80 60 40 20 0 -40 0 25 40 160 200 155 Ambient Temperature (C) 80 120 240 280 275 Temperature Rise (C) 250 200 150 100 50 0 0 25 50 75 100 CW1, CW1P CW1/2 CW1/4 Surface Temperature Rise CWP 300 CW5 CW3, CW3P CW2, CW2P % Rated Power Performance Characteristics Parameter Resistance T.C.R. Requirement R (% + 0.05) Limit Typical -- -- 0.8: CW,CWX 0.4: CWP 1.8: CW1S 0.18:CWP(R<10) 0.8: CW, CW1S, CWX 0.4: CWP 0.18: CWP (R<10) 4: CW, CW1S, CWX 1.6: CWP 0.45: CWP (R<10) 4: CW, CW1S, CWX 1.6: CWP 0.45: CWP (R<10) Test Method 25C CW: Room temperature/100C up CWP: +25C/-40C and +25C/+155C CW,CWX,CW1S: Power rating x 10 for 5 seconds CWP: Power rating x 6.25 for 5 seconds CWP:R<10: Power rating x 5 for 5 seconds* 350C 10C for 3.5 seconds or 260C 5C for 10 seconds Power rating x 1/10, 40C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 70C, 1000 hours (CW, CWX, CW1S), 25C, 1000 hours (CWP) 1.5 hr ON, 0.5 hr OFF cycle After immersing the sample in IPA for 3 min., the resistor surface should be wiped with a dry cloth (velvet or gauze) 12/01/08 Within regulated tolerance 250ppm/C: CW 90, 20ppm/C: CWP, R10 50ppm/C: CWP, R<10 1: CW,CWX 0.5: CWP 2: CW1S 0.2: CWP(R<10)* 1: CW, CW1S, CWX 0.5: CWP 0.2: CWP (R<10)* 5: CW, CW1S, CWX 2: CWP 0.5: CWP (R<10)* 5: CW, CW1S, CWX 2: CWP 0.5: CWP (R<10)* No evidence of damage to protective coating and marking Overload (Short Time) Resistance to Solder Heat Moisture Resistance Endurance @ 70C Resistance to Solvent -- Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 128 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com |
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