1733 Reader's Spreads pg1-203:document 1/27/09 4:10 PM Page 125 PMS 300 neg. Black neg. 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 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 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 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. Tolerance C: 0.25% D: 0.5% F: 1% G: 2% J: 5% K: 10% 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 1733 Reader's Spreads pg1-203:document 1/27/09 4:11 PM Page 126 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 3.0W CW5 5.0W CW1X 1.0W CW2X 2.0W CW3X 3.0W CW1S 1.0W 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%) -- 250 -- -- -- E-24 (J5%) E-24 (K10%) 0.47 - 15 0.47 - 15 0.1 - 100 0.1 - 100 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 Rated Operating Ambient Temperature Temperature Range -- +70C -40C to +155C 0.01 - 0.091 0.01 - 0.091 500 -- -- -- -- 0.01 - 0.091 0.01 - 0.091 0.01 - 0.091 0.01 - 0.091 250 90: R10* 50: R<10 -- -- -- 1 - 100 0.47 - 220 0.1 - 430 1 - 390 0.47 - 390 0.1 - 390 1 - 390 0.47 - 390 0.1 - 390 -- 0.1 - 100 0.1 - 100 -- -- -- +25C * T.C.R. = 20ppm/C available on request environmental applications Surface Temperature Rise Derating Curve CWP 80 80 % Rated Power 100 % Rated Power 100 60 40 20 0 -40 300 Temperature Rise (C) CW 60 40 20 0 40 160 200 80 120 70 155 Ambient Temperature (C) 240 Performance Characteristics Parameter Resistance T.C.R. Overload (Short Time) Resistance to Solder Heat Moisture Resistance Endurance @ 70C Resistance to Solvent 280 275 0 -40 0 40 25 160 200 155 Ambient Temperature (C) 80 120 240 280 275 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 200 CW2, CW2P 150 CW1, CW1P CW1/2 CW1/4 100 50 0 0 25 50 75 Test Method -- 25C -- CW: Room temperature/100C up CWP: +25C/-40C and +25C/+155C 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) -- 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) Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 128 100 % Rated Power Requirement R (% + 0.05) Limit Typical Within regulated tolerance CW5 CW3, CW3P 250 12/01/08 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com