Maxi-Mox 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 Terminal High Voltage/High Resistance Features * * * * A Wide resistance ranges Voltage rating to 50KV 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 Terminal: RoHS solder composition is 96% Sn, 3.5% Ag, 0.5% Cu Electrical Resistance Range: 250 to 1 Teraohm Power Rating: 2.0W to 12.5W Voltage Rating: 10KV to 50KV Tolerance: 0.5% to 20%; not all tolerances available in all values Operating Temperature: -55C to +210C Temperature Coefficient: 25ppm/C 0 to 85C available 1.5" typ. lead dia. 0.032" typ. B Resistance Range (Ohms * 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 Power @70C Voltage Rating Available Tolerances* A max. (in/mm) B max.Capacitance (in/mm) (pf) 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 0.75 0.60 0.50 0.40 0.30 0.1% to 20% 1.140" / 28.96 0.1% to 20% 2.140" / 54.36 0.1% to 20% 3.140" / 79.76 0.1% to 20% 4.140" / 105.16 0.1% to 20% 5.140" / 130.56 0.345" / 8.76 0.345" / 8.76 0.345" / 8.76 0.345" / 8.76 0.345" / 8.76 0.75 0.60 0.50 0.40 0.30 *Some tolerances are not available over the entire resistance range. * Standard (epoxy coated) @25C MOX-1-13 250 ohms to 300,000M 2.0W MOX-2-13 500 ohms to 700,000M 3.0W MOX-3-13 750 ohms to 1,000,000M 4.0W MOX-4-13 1K to 1,000,000M 5.0W MOX-5-13 1.25K to 1,000,000M 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 Temp. Coeff. of Resistance* 25 PPM/C 50 PPM/C 100 PPM/C Resistor Series MOX-1 MOX-2 MOX-3 MOX-4 MOX-5 1K-99M 1K-199M 1K-299M 1K-399M 1K-499M 100M-450M 200M-1,000M 300M-1,500M 400M-2,000M 500M-2,500M Voltage Coeff. of Resistance** < 2PPM/Volt < 5PPM/Volt 451M-30,000M 1,001M-60,000M 1,501M-90,000M 2,001M-120,000M 2,501M-150,000M 250-1,000M 500-2,600M 750-4,000M 1K-5,300M 1.25K-6,700M 1,001M-100,000M 2,601M-200,000M 4,001M-300,000M 5,301M-400,000M 6,701M-500,000M *TCR of 25ppm for temperature range of 0C-85C. TCR of 50ppm and 100ppm for -55C to 125C. Consult factory for TCR values operating higher than 125C **For tighter VCs please contact Ohmite. 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 Acceptable for High Reliability Series only 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 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 Ambient Temperature, C Ohmite Mfg. Co. E = RoHS Compliant M O X-1-1 3 1 0 0 6 F E 60 0 Coating 2 = Black silicone 3 = Epoxy 6 = No coating 175 200 225 Terminal 1 = 0.032" Not all tolerances available in all values. Ohms First 3 digits are significant; 4th digit is multiplier (# of zeroes to follow). Examples: 1000 = 100 1503 = 150,000 5005 = 50,000,000 Tolerance D = 0.5% F = 1% G = 2% J = 5% K = 10% M = 15% P = 20% Check product availability at www.ohmite.com 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com 85