Maxi-Mox Resistors Maxi-Mox resistors are also versatile. Suitable for industrial applications requiring still more power for high voltage switching, industrial control, and high voltage current limiting. Precision Thick Film Axial Lead High Voltage/High Resistance Resistors FEATURES * * * * A Wide resistance ranges Voltage rating to 30.0KV Power rating to 12.5 watts Silicone or epoxy coating Ohmite Series APPLICATIONS * * * * HV power supplies Power distribution Medical instrumentation Avionics SPECIFICATIONS Material Core: Alumina Resistor: Thick Film Electrical Resistance Range: 1K to 1 Teraohm Power Rating: 2.0W to 12.5W Voltage Rating: 10KV to 50KV Tolerance: 0.1% to 20% Operating Temperature: -55C to +220C Temperature Coefficient: 25ppm/C 0 to 85C available 1.5" typ. lead dia. 0.032" typ. B Resistance Range (Ohms Power @70C Voltage Rating Available Tolerances* A 0.015" (in/mm) B max. (in/mm) 2.5W 5.0W 7.5W 10.0W 12.5W 10.0KV 20.0KV 30.0KV 40.0KV 50.0KV 1% to 20% 1% to 20% 1% to 20% 1% to 20% 1% to 20% 1.120" / 28.45 2.120" / 53.85 3.120" / 79.24 4.120" / 104.65 5.120" / 130.05 0.310" / 7.87 0.310" / 7.87 0.310" / 7.87 0.310" / 7.87 0.310" / 7.87 0.1% to 20% 0.1% to 20% 0.1% to 20% 0.1% to 20% 0.1% to 20% 1.140" / 28.96 2.140" / 54.36 3.140" / 79.76 4.140" / 105.16 5.140" / 130.56 0.345" / 8.76 0.345" / 8.76 0.345" / 8.76 0.345" / 8.76 0.345" / 8.76 * High-temperature (silicone coated) MOX-1-12 250 ohms to 300,000M MOX-2-12 500 ohms to 700,000M MOX-3-12 750 ohms to 1,000,000M MOX-4-12 1K to 1,000,000M MOX-5-12 1.25K to 1,000,000M *Some tolerances are not available over the entire resistance range. * Standard (epoxy coated) MOX-1-13 250 ohms to 300,000M MOX-2-13 500 ohms to 700,000M MOX-3-13 750 ohms to 1,000,000M MOX-4-13 1K to 1,000,000M MOX-5-13 1.25K to 1,000,000M @25C 2.0W 3.0W 4.0W 5.0W 6.0W 10.0KV 20.0KV 30.0KV 40.0KV 50.0KV T E M P E R AT U R E / V O LTA G E C O E F F I C I E N T S O F R E S I S TA N C E Resistor Series Temp. Coeff. of Resistance* 25 PPM/C 50 PPM/C 100 PPM/C Voltage Coeff. of Resistance** < 2PPM/Volt < 5PPM/Volt MOX-1 MOX-2 MOX-3 MOX-4 MOX-5 1K-1,500M 1K-1,500M 1K-1,500M 1K-1,500M 1K-1,500M 250-1,000M 500-2,600M 750-4,000M 1K-5,300M 1.25K-6,700M 1K-450M 1K-1,000M 1K-1,500M 1K-2,000M 1K-2,500M 451M-30,000M 1,001M-60,000M 1,501M-90,000M 2,001M-120,000M 2,501M-150,000M 1,001M-100,000M 2,601M-200,000M 4,001M-300,000M 5,301M-400,000M 6,701M-500,000M *Epoxy: -55C to 110C; High Temp. Silicone: -55C to 210C **For tighter VCs please contact factory. P E R F O R M A N C E D ATA Characteristic Test Method Specification Humidity MIL-STD-202, Method 103B, Condition B 0.25% Dielectric Withstanding Voltage MIL-STD-202, Method 301, 750V 0.25% Insulation Resistance MIL-STD-202, Method 302, Condition A or B >10,000 M or greater dry Thermal Shock MIL-STD-202, Method 107G, Condition B, B-1, or F 0.20% Load Life MIL-STD-202, Method 108A, Condition D 1.0% Resistance to Solvents MIL-STD-202, Method 215G Terminal Strength MIL-STD-202, Method 211A, Condition A or B 0.25% Shock (Specified Pulse) MIL-STD-202, Method 213B, Condition I 0.25% Vibration High Frequency MIL-STD-202, Method 204D, Condition D 0.20% Power Conditioning MIL-R-49462A, Par 4.8 0.50% Solderability MIL-STD-202, Method 208F >95% Coverage DERATING Acceptable for High Reliability Series only O R D E R I N G I N F O R M AT I O N 100 70 Style 1,2,3,4,5,8 Percent Rated Watts 80 Silicone Maxi Mox Series 40 Epoxy 20 110 0 25 50 75 100 125 210 150 E = RoHS compliant Available Jan. 2006 60 0 Coating 2 = Black silicone 3 = Epoxy 6 = No coating 175 200 225 Lead 1 = 0.032" Ohms First 3 digits are significant; 4th digit is multiplier (# of zeroes to follow). Examples: 10R2 = 10.2 ohms 1000 = 100 ohms 1503 = 150,000 ohms Tolerance D = 0.5% F = 1% G = 2% J = 5% K = 10% M = 15% P = 20% Ambient Temperature, C Ohmite Mfg. Co. 1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 * Tel. 1-866-9-OHMITE * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com 71