MO SERIES General Purpose METAL OXIDE RESISTORS • • • • • Flameproof Only available in RoHS compliant version Meets overload test of UL#1412 Meets solvent test of method 215 of MIL-STD-202 Low cost alternative for power carbon composition and wirewounds • TCR ±200 ppm • Coating meets UL-94V-0 PERFORMANCE CHARACTERISTICS (Tested Per MIL-R-22684 Rev. C): ELECTRICAL Power Ratings @ 70°C (watts) Derated to 0 Load at Maximum Working Voltage (volts) Operating Temperature Range Resistance Range (ohms) MO 1/2 1/2 200°C 250 -55°C to +200°C 0.1 - 75K (±5%) 0.1 - 75K (±1%) MO 1 1 200°C 350 -55°C to +200°C 0.1 - 120K (±5%) 0.1 - 100K (±1%) Environmental (Operating Temperature Range: -55°C to +200°C) Moisture Resistance ±1.5% Dielectric Withstand Voltage Maximum Pulse Voltage Insulation Resistance Voltage Coefficient Short Time Overload MO 3 3 200°C 500 -55°C to +200°C 1 - 150K (±5%) 10 - 10K (±1%) MO 5 5 200°C 750 -55°C to +200°C 1 - 180K (±5%) 10 - 10K (±1%) ±1.5% ±1.5% ±1.5% ±1.5% ±1% ±1% ±1% ±1% ±1% ±2% ±2% ±2% ±2% ±2% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.55+0.05Ω ±0.55+0.05Ω ±0.55+0.05Ω ±0.55+0.05Ω ±0.55+0.05Ω ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% 400V RMS 700V RMS 700V RMS 800V RMS 800V RMS Thermal Shock Load Life @ 70°C - 1000 hrs. Shock and Vibration Resistance to Soldering Heat Terminal Strength MO 2 2 200°C 350 -55°C to +200°C 0.1 - 150K (±5%) 0.1 - 120K (±1%) 400V 750V 1000V 1500V 1500V 10,000 meg min. 10,000 meg min. 10,000 meg min. 10,000 meg min. 10,000 meg min. 0.001%/V 0.001%/V 0.001%/V 0.001%/V 0.001%/V ±(0.5+0.05Ω) ±(0.5+0.05Ω) ±(0.5+0.05Ω) ±(0.5+0.05Ω) ±(0.5+0.05Ω) DIMENSIONS (Inches and (mm)): PACKAGING: MO 1: MO 2: MO 3: MO 5: All Above: A B C D MO 1/2 1.10±0.08 (28.0±2.0) 0.35±0.04 (9.0±1.0) 0.028±0.002 (0.70±0.05) 0.12±0.02 (3.0±0.5) MO 1 1.10±0.08 (28.0±2.0) 0.43±0.04 (11.0±1.0) 0.028±0.002 (0.70±0.05) 0.16±0.02 (4.0±0.5) MO 2 1.50±0.12 (38.0±3.0) 0.59±0.02 (15.0±0.5) 0.031±0.002 (0.80±0.05) 0.22±0.04 (5.5±1.0) MO 3 1.50±0.12 (38.0±3.0) 0.98±0.04 (25.0±2.0) 0.031±0.002 (0.80±0.05) 0.34±0.04 (8.5±1.0) MO 5 1.50±0.12 (38.0±3.0) 1.61±0.04 (41.0±1.0) 0.031±0.002 (0.80±0.05) 0.34±0.04 (8.5±1.0) Sample Part No.: MO-1 1001 J LF IRC Type Size Resistance Value 3 digit range and 1 digit multiplier Tolerance J = 5%, F = 1% RoHS Compliance LF = RoHS compliant construction Surface Temperature Rise vs Load Temperaure Rise (°C) Current Noise Noise (µV/v) Percent Rated Load Power - Temperature Derating HOW TO ORDER: 2500/reel 1000/reel 1000/ammo box 1000/bulk box 1000/bulk box 150 MO2 100 MO1 50 0 Ambient Temperature (°C) MO3 MO1/2 0 Nominal Resistance (ohms) 25 50 75 Load Factor(%) 100 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. · 4222 South Staples Street · · Facsimile: 361-992-3377 · Website: www.irctt.com WIREWOUND AND FILM TECHNOLOGIES DIVISION Telephone: 361-992-7900 Corpus Christi Texas 78411 USA A subsidiary of TT electronics plc Issue October 2008 55