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 (3.3±0.3) .02 (0.5) .075±.012 (1.9±0.3) .018 (0.45) CW1/2 .256±.039 (6.5±1.0) .039 (1.0) .098±.039 (2.5±1.0) .024 (0.6) .138±.039 (3.5±1.0) CW1 Marking Resistive Wire End Cap Lead Wire CW1X Insulation Coating .138+.039 -0 (3.5+1.5 ) -0 .374±.039 (9.5±1.0) CW1P .138±.039 (3.5±1.0) CW2 .157±.039 (4.0±1.0) CW2X .472±.039 (12.0±1.0) .118 (3.0) CW2P .157+.039 -0 (4.0+1.5 ) -0 .157±.039 (4.0±1.0) 1.18±.118 (30.0±3.0) .031 (0.8) .236±.039 (6.0±1.0) CW3 CW3X l .236+.039 -0 (6.0+1.5 ) -0 .591±.039 (15.0±1.0) .236±.039 (6.0±1.0) CW3P CW5 .945±.059 (24.0±1.5) CW1S .256±.039 (6.5±1.0) 1.50±.118 (38.0±3.0) .354±.039 (9.0±1.5) .039 (1.0) .098±.039 (2.5±1.0) .024 (0.6) 1.18±.118 (30.0±3.0) 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 <10Ω ±1%: 3 significant figures + 1 multiplier “R” indicates decimal on value <100Ω 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 (Ω) E-24, E-96 (C±0.25%) E-24, E-96 (D±0.5%) E-24, E-96 (F±1%) E-24 (G±2%) — ±250 — — — E-24 (J±5%) E-24 (K±10%) 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 — +70°C -40°C to +155°C 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: R≥10Ω* ±50: R<10Ω — — — 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 — — — +25°C * 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 @ 70°C 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, R≥10 ±50ppm/°C: CWP, R<10 1: CW,CWX 0.5: CWP 2: CW1S 0.2: CWP(R<10Ω)* 1: CW, CW1S, CWX 0.5: CWP 0.2: CWP (R<10Ω)* 5: CW, CW1S, CWX 2: CWP 0.5: CWP (R<10Ω)* 5: CW, CW1S, CWX 2: CWP 0.5: CWP (R<10Ω)* 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 — 25°C — CW: Room temperature/100°C up CWP: +25°C/-40°C and +25°C/+155°C 0.8: CW,CWX 0.4: CWP 1.8: CW1S 0.18:CWP(R<10Ω) 0.8: CW, CW1S, CWX 0.4: CWP 0.18: CWP (R<10Ω) 4: CW, CW1S, CWX 1.6: CWP 0.45: CWP (R<10Ω) 4: CW, CW1S, CWX 1.6: CWP 0.45: CWP (R<10Ω) — CW,CWX,CW1S: Power rating x 10 for 5 seconds CWP: Power rating x 6.25 for 5 seconds CWP:R<10Ω: Power rating x 5 for 5 seconds* 350°C ± 10°C for 3.5 seconds or 260°C ± 5°C for 10 seconds Power rating x 1/10, 40°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 70°C, 1000 hours (CW, CWX, CW1S), 25°C, 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 ±(% + 0.05Ω) 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