Commercial Grade Power Axial Wirewound Resistor CCW Series • • • • • Power ratings from 1/2W to 9W Non-inductive windings available Ceramic core wirewound resistor Resistance range from 0.1Ω to 1.5Ω Welded construction, conformal coating Electrical Data Power rating at 70°C (W) Resistance Range* (Ohms) Tolerance (±%) 0.5 0.1 - 39 2, 5, 10 CCW - 1 1 0.1 - 50 2, 5, 10 CCW - 2 2 0.1 - 120 2, 5, 10 CCW - 3 3 0.1 - 200 2, 5, 10 CCW - 5 5 0.5 - 470 2, 5, 10 CCW - 7 7 0.5 - 470 2, 5, 10 CCW - 8 8 1 - 1.5K 2, 5, 10 CCW - 9 9 1 - 1.5K 2, 5, 10 IRC Type CCW - 1/2 Temperature Coefficient of Resistance (±ppm/°C) 300 (≥20Ω) 400 (<20Ω) *For resistance values outside these ranges, contact factory. Environmental Data Short-time overload ∆R/R ≤ (±2% + 0.05Ω), 2.5 Nominal power for 5 seconds Dielectric withstanding voltage 1000V Resistance to Soldering heat ∆R/R ≤ (±1% + 0.05Ω) Operating temperature range -55°C to 275°C General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC’s own data and is considered accurate at time of going to print. Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com A subsidiary of TT electronics plc CCW Series Issue August 2008 Sheet 1 of 3 Commercial Grade Power Axial Wirewound Resistor Physical Data Od D H L H Dimensions (mm) IRC Type D (±1) L (max.) d (±0.02) H (±3) CCW - 1/2 4.0 10.0 0.7 28 CCW - 1 5.0 12.0 0.7 28 CCW - 2 5.5 16.0 0.8 28 CCW - 3 6.5 17.5 0.8 28 CCW - 5 8.5 26.0 0.8 38 CCW - 7 8.5 32.0 0.8 38 CCW - 8 8.5 41.0 0.8 38 CCW - 9 8.5 54.0 0.8 38 Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com CCW Series Issue August 2008 Sheet 2 of 3 Commercial Grade Power Axial Wirewound Resistor Ordering Data Performance Curves Specify type, resistance, tolerance, RoHS-Compliance and packaging. This example is for a Power Axial Wirewound, 2-watt, 1000Ω resistor. Derating Curve Sample Part No. 100 Percent rated load (%) +155°C +70°C CCW 2 1001 J LF BLK +275°C IRC Type CCW - Power Axial Wirewound 80 Power rating (see specs table) 60 Resistance Value (EIA 4-digit code) (≥100Ω - First 3 significant digits plus 4th digit multiplier) Example: 100Ω = 1000; 1000Ω = 1001 (>100Ω - "R" is used to designate decimal) Example: 10Ω = 10R0; 1Ω = 1R00; 0.25Ω = R250 40 20 Tolerance (EIA format) -55 0 50 100 150 G = ±2% J = ±5% K = ±10% 200 250 300 RoHS - Compliance Ambient Temperature (°C) LF = RoHS compliant construction Packaging BLK = bulk packaging Temperature Rise Chart Temperature Rise (°C) 8W, 9W 5W, 7W 200 2W, 3W 150 1/2W, 1W 100 50 0 50 100 Rated Load (%) Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com CCW Series Issue August 2008 Sheet 3 of 3