coat insulated, precision coat insulated and miniature wirewound leaded resistors EU features • Flameproof silicone coating equivalent (UL94V0) • CWH resistors meet MIL-PRF-26 (U characteristics) • CWH high precision resistors with T.C.R. less than ±50x10-6/K • Suitable for automatic machine insertion • Various types of formings are available • Excellent in pulse characteristic • Marking: Blue body color: CW, CW_X, CW_P Black body color: CW1S, CW1SSCT52A100J, CWH Color-code: CW, CW_X, CW1SSCT52A100J (two silver lines) Alpha-numeric: CW_P, CW1S, CWH • Products with lead-free terminations meet EU RoHS and China RoHS requirements • CW1SSCT52A100J has UL1412 approval • Surface mount style “N” forming is suitable for automatic mounting CW, CWP 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 Insulation Coating End Cap Lead Wire CW1X .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) CW2P .118 (3.0) CW1S CW1SS .157±.039 (4.0±1.0) .031 (0.8) .236+.039 -0 (6.0+1.5 ) -0 .591±.039 (15.0±1.0) .236±.039 (6.0±1.0) CW3P CW5 .157+.039 -0 (4.0+1.5 ) -0 1.18±.118 (30.0±3.0) .236±.039 (6.0±1.0) CW3 CW3X l* .945±.059 (24.0±1.5) .256±.039 (6.5±1.0) CW1H .374±.039 (9.5±1.0) CW2H .472±.039 (12.0±1.0) CW3H .591±.039 (15.0±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) .031 (0.8) 1.18±.118 (30.0±3.0) .138±.039 (3.5±1.0) .118 (3.0) .157±.039 (4.0±1.0) .236±.039 (6.0±1.0) * Lead length changes depending on taping and forming type. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/18/12 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 141 resistors CW, CWP, CWH resistors CW, CWP, CWH coat insulated, precision coat insulated and miniature wirewound leaded resistors 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 H: Stability Nil: Power P: Precision S: Small X: Power SS: Small type, UL Approved C T52 A Termination Material C: SnCu Taping and Forming Axial: T26, T52, T521, T631 Stand-off Axial: L52A, L52B Radial: VTP, GT L forming: L12.5A, L15A, L20A, L25A N forming: N17 103 Packaging A: Ammo R: Reel TEB: Embossed plastic (N forming) 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 Tolerance C: ±0.25% D: ±0.5% F: ±1% G: ±2% J: ±5% K: ±10% 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. 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%) — E-24 (J±5%) 0.47 - 15 0.47 - 15 0.1 - 100 0.1 - 100 0.1 - 390 0.1 - 390 0.1 - 390 0.1 - 390 3.0W 0.1 - 390 0.1 - 390 CW5 5.0W 0.1 - 390 0.1 - 390 CW1X 1.0W CW2X 2.0W CW3X 3.0W CW1S ±250 — — — E-24 (K±10%) Rated Operating Ambient Temperature Temperature Range — +70°C -40°C to +155°C 0.01 - 0.091 0.01 - 0.091 0.01 - 0.091 0.01 - 0.091 ±500 — — — — 1.0W ±250 — — — — 0.1 - 100 0.1 - 100 ±100 — 10 — — — — +25°C — — — +25°C CW1SS 1.0W CW1P 1.0W CW2P 2.0W CW3P 3.0W CW1H 1.0W CW2H 2.0W CW3H 3.0W 0.01 - 0.091 0.01 - 0.091 ±90: R≥10Ω* ±50: R<10Ω ±20: 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 0.47 - 220 0.1 - 430 — 0.47 - 750 0.1 - 2k 0.47 - 1k 0.1 - 3k -55°C to +275°C * T.C.R. = 20ppm/°C available on request environmental applications Derating Curve CW 40 20 80 % Rated Power 80 % Rated Power % Rated Power 100 100 60 0 -40 CWH CWP 100 60 40 0 40 80 120 160 200 70 155 Ambient Temperature (°C) 240 280 275 40 20 20 0 -40 80 60 0 40 25 80 120 160 200 155 Ambient Temperature (°C) 240 280 275 0 -100 -50 -55 0 150 200 50 100 -25 155 Ambient Temperature (°C) 250 300 275 For resistors operated at an ambient temperature of 25°C or above, a power rating shall be derated in accordance with the above derating curve. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 142 1/05/13 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com coat insulated, precision coat insulated and miniature wirewound leaded resistors environmental applications Surface Temperature Rise Temperature Rise (°C) 300 CW5 CW3, CW3P 250 200 CW2, CW2P 150 CW1S, CW1SS CW1, CW1P CW1/2 CW1/4 100 Fixing board: t=1.2 Material: Glass epoxy board 50 0 0 25 50 75 100 % Rated Power Performance Characteristics Parameter Resistance T.C.R. Overload (Short Time) Resistance to Solder Heat Moisture Resistance Endurance @ 70°C Requirement ∆ R ±(% + 0.05Ω) Limit Typical Test Method Within regulated tolerance — 25°C Within specified T.C.R. — CW: Room temperature/100°C up CWP: +25°C/-40°C and +25°C/+155°C CWH: +25°C/-55°C and +25°C/+155°C 0.8%: CW, CWX 0.4: CWP 1%: CW, CWX 0.5%: CWP 1.8%: CW1S, CW1SS 2%: CW1S, CW1SS 0.18%:CWP(R<10Ω) 0.2%: CWP(R<10Ω)*, CWH 0.15%: CWH 0.8%: CW,CW1S,CW1SS,CWX 1%: CW,CW1S,CW1SS,CWX 0.4%: CWP 0.5%: CWP 0.18%: CWP (R<10Ω) 0.2%: CWP (R<10Ω)*, CWH 0.15%: CWH 5%: CW, CW1S, CWX 4%: CW, CW1S, CWX 2%: CWP 1.6%: CWP 0.5%: CWP (R<10Ω)* 0.45%: CWP (R<10Ω) 5%: CW,CW1S,CW1SS,CWX 4%: CW,CW1S,CW1SS,CWX 2%: CWP 1.6%: CWP 0.5%: CWP (R<10Ω)* 0.45%: CWP (R<10Ω) CW,CWX,CW1S,CW1SS: Power rating x 10 for 5 seconds CWP: Power rating x 6.25 for 5 seconds CWP (R<10Ω), CWH: 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, CW1SS), 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) Resistance to Solvent No evidence of damage to protective coating and marking Low Temperature 0.2%: CWH 0.15%: CWH -65°C, 24 hours High Temperature 0.5%: CWH 0.45%: CWH +275°C, 250 hours Thunder Surge 3%: CW1SS Load Life 0.5%: CWH — — 0.45%: CWH Combination wave, +1.5kV 20 seconds 3 cycles -25°C, rated power, 1.5 hr ON, 0.5 hr OFF 2000 hours * Refer to MIL-PRF-26G standard Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/18/12 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 143 resistors CW, CWP, CWH