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. A 1.5" typ. lead dia. 0.032" typ. B Maxi-Mox Resistors Precision Thick Film Axial Lead High Voltage/High Resistance Resistors FEATURES * * * * Ohmite Series Wide resistance ranges Voltage rating to 30.0KV Power rating to 12.5 watts Silicone or epoxy coating * 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 APPLICATIONS * * * * HV power supplies Power distribution Medical instrumentation Avionics Power @25C 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 *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 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 Resistance Range (Ohms 2.0W 3.0W 4.0W 5.0W 6.0W 10.0KV 20.0KV 30.0KV 40.0KV 50.0KV TEMPERATURE/VOLTAGE COEFFICIENTS OF RESISTANCE Temp. Coeff. of Resistance 50 PPM/C 100 PPM/C Resistor Series MOX-1 MOX-2 MOX-3 MOX-4 MOX-5 1K-450 Meg 1K-1,000 Meg 1K-1,500 Meg 1K-2,000 Meg 1K-2,500 Meg Voltage Coeff. of Resistance* < 2PPM/Volt < 5PPM/Volt 451 Meg-30,000 Meg 1,001 Meg-60,000 Meg 1,501 Meg-90,000 Meg 2,001 Meg-120,000 Meg 2,501 Meg-150,000 Meg 250-1,000 Meg 500-2,600 Meg 750-4,000 Meg 1K-5,300 Meg 1.25K-6,700 Meg 1,001 Meg-100,000 Meg 2,601 Meg-200,000 Meg 4,001 Meg-300,000 Meg 5,301 Meg-400,000 Meg 6,701 Meg-500,000 Meg *For tighter VC's please contact factory. PERFORMANCE DATA 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 Acceptable for High Reliability Series only 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 ORDERING INFORMATION 100 Style 1,2,3,4,5,8 Percent Rated Watts 80 Coating 2 = Black silicone 3 = Epoxy 6 = No coating High-temperature Series MOX1-131006F 60 Maxi Mox Series 40 Commercial Series 20 110 0 0 25 50 75 100 125 210 150 175 200 225 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 65