UT Thicker Film Tubular type Non-Inductive Resistors for Ultra High Voltage, High Energy Ultra Voltage,High Frequncy Pulse,R & R-C Tank,High Energy. UT series to meet general set of requirements Ultra high voltage high energt at reasonable prices. And to be connection on M4, M6 . Corona Ring & Cap std. A wide range of R-Value & tolerance, TCR available. * Power Rating Able to build up Mega Jouls Energy System. * Various Models with Voltage Ratings upto 800kV in oil, 300kV at free air. DIMENSIONS [mm] Model Nr. Wattage Dimensions in millimeters Max. CotinuousOper. V o l t [ k V ] ** L B D Dia on Corona Ring, 'RC' type W T UT 20 20 40 158+/-1.5 14+/-1.0 15+/-1 N/A 10+/-1.5 M4 UT 35 35 30 110+/-1.5 31+/-1.0 33+/-0.5 43 18+/-0.5 M6 UT 50 50 48 160+/-1.5 31+/-1.0 33+/-0.5 43 18+/-0.5 M6 UT 70 70 65 210+/-1.5 31+/-1.0 33+/-0.5 43 18+/-0.5 M6 UT 100 100 100 310+/-1.5 31+/-1.0 33+/-0.5 43 18+/-0.5 M6 UT 150 150 100 310+/-1.5 40+/-1.0 45+/-1.0 59 21+/-0.5 M6 Cap style : ex) UT100 -nc ; normal cap type , * Terohm available on request * Custom dimension, Terminations available * Glass coat std. , epoxy coat available * The Voltage Limited by Power * Electrical Specification for 20kΩ ~ 1000MΩ only ** Vdc , Vac UT100 -rc ; Corona Ring & Cap type Single Impulse Voltage 1.2/50㎲ [kV] Std. Rvlaue[Ω] UT20 77 1K~1G 20R~0.9K 1.1G~10T UT35 50 1K~1G 10R~0.9K 1.1G~10T UT50 77 1K~1G 10R~0.9K 1.1G~10T Model Nr. Low Extended R-value[Ω] Hi Extended R-value[Ω] UT70 100 1K~1G 10R~0.9K 1.1G~10T UT100 150 1K~1G 10R~0.9K 1.1G~10T UT150 150 1K~1G 10R~0.9K 1.1G~10T · Gamma Cameras · Electron Beam Testing · Ion Source · Surface Analysis · Chromatography (Gas) · CRT, X-Ray , MRI · Medical (PET, CT) · Electrophoresis · Medical (Radiation Therapy) · Image Intensifier · Measurements (High Voltage) · Capacitor Charging · Microwave (Klystron) · Medical (Blood Analyzers) · Corona Generators · Multichannel Analyzers · Ozone Generating 40 20 0 25 75125175 225 Ambient-Temperature (˚C) SPECIFICATIONS Thermal Shock : Mil-Std-202, Method- 107,Cond. C,ΔR 0.50% max. · Piezo. Focusing (Poling) · Plasmas ,Lasers 60 Overload : 5times rated power with applied voltage not to exceed 1.5times Max. continuous operating voltage for 5 seconds, overload/ overvoltage ΔR 0.50% max. · Surface Analysis · Military , Radar 80 Temperature Coefficient : Std. 100ppm/ °C, referenced to 25°C, from -15°C to +105°C, other TCR on requests. APPLICATION GUIDE ; UT SERIES · Medical (Imaging) 100 Resistance Tolerance : 1%,2%,5%,10% * Electrical Specification for 20kΩ ~ 1000MΩ only · Automated Test (ATE) DERATING CURVE Rated Power or Voltage% UT Thicker Film Tubular type Non-Inductive Resistors for Ultra High Voltage, High Energy · High Voltage Dividers Load Life : 1.000 hours at rated power ΔR 1.0% typ. Moisture Resistance: Mil-Std-202, Method 106, ΔR 0.50%. · Stress Testing · Agricultural Sensors Insulation Resistance : 10,000Megohms Min. · Ion Beam · Arc Furnace Damping · High Voltage Snubbers · Pulse Forming Networks · Energy Research Termination Cap of Material : Aluminum Alloy , Bronz M4 / M6 Cap, &Rug available Encapsulation : Epoxy /silicone confomal/ Glass / · EMI · Detectors Nuclear · Tube Arc Protection cf.: The described specifications & dimensions subject to change without notice. Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom. http://www.willow.co.uk + 44 (0) 1342 835234 + 44 (0) 1342 834306 [email protected] designed by jonaldo , France rev.11/2005A