Thickfilm Chip Array Resistor Network IRC Advanced Film Division WCC Series • Monolithic construction • Concave termination style • Non-leaching nickel barrier wrap-around terminations • Improved placement efficiency over flat chip resistors Environmental Data Electrical Data 1% 22Ω - 1MΩ Resistance Range Maximum ∆R Test* 5% 10Ω - 1MΩ zero ohm jumper Operating Temperature Range -55°C to +125°C Temprature Coefficient ±200ppm/°C Power Dissipation (@70°C) 0.65 Watts Maximum Working Voltage 50 Volts Thermal Shock ±1.0% Short Time Overload ±1.0% High Temperature Exposure ±3.0% Resistance to Solder Heat ±1.0% Moisture Resistance ±2.0% Load Life ±3.0% Low Temperature Operation ±0.5% Solderability 95% Coverage * Test methods per EIA-575 Physical Data 8 C R1 R2 R3 R4 W P 1 4 R1 = R2 = R3 = R4 T D 5 L Dimensions (Inches and (mm)) L C D P W T 0.126 ± .008 (3.20 ± .20) 0.018 ± .004 (0.45 ± .10) 0.016 ± .006 (0.40 ± .15) 0.031 ± .008 (0.80 ± .20) 0.063 ± .008 (1.60 ± .20) 0.016 ± .004 (.40 ± .10) 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. © IRC Advanced Film 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 WCC Series Issue September 2008 Sheet 1 of 2 Thickfilm Chip Array Resistor Network IRC Advanced Film Division Power Derating Curve % Of Rated Power 100 50 0 30 50 70 125 Ambient Temperature (°C) Ordering Data Sample Part No. WCA - WCC - 08 - 04 - 102 - J - PLT Prefix WCC Terminal Count 08 = 8 Pins Resistor Count 04 = 4 Isolated Resistors Resistance Value First 2 significant digits plus 3rd digit multiplier) Example: 102 = 1,000 ohms Tolerance ( F = ±1%; J = ±5%) Packaging Code P = Paper Tape, Tape & Reel (5000 per Reel) © IRC Advanced Film Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com WCC Series Issue September 2008 Sheet 2 of 2