HTE Cylindrical High Voltage Resistors,Thicker film,Non-Inductive High Voltage High Frequency Resistors for various High Voltage Applications Willow offers HTE - series to meet general set of requirements , high voltages at reasonable prices. HTE is in epoxy coating which is very good humidity protection, and a wide range of tolerances,TCR available. HTE Precision High Voltage Resistor, The main usage ; Epoxy coating for excellent humidity protection Std. Resistance tolrerance : 0.5% 1% 2% 5% 10% Main application for HV energy Capacitor's charger& discharger, various HV Loads, HV Snubber, HV dampping ,on HV diode, R-C tank,in Ion gun’s termination,etc... * Resistance rating : 1kΩ to 700MΩ * Power Ratings up to 15 Watts. * Various Models with Voltage Ratings from 2.5kV to 48kV in free air. * N.C.R. design : Non-contact resistance design between resistives and termination cap ,put on Willow's unique of conductive pad. + + + ** Dimensions in millimeters (inches) A B C Model Nr. Wattage **Max. Continuous Oper. Volt[kV] Resistance [ ohm ] Min. Max. HTE15 0.7 2.5 1K 200M 15+/-1.5 (.590) 5.0+/-1.5 (.197) 0.8 N/A HTE19 1.0 3.5 1K 200M 19+/-1.5 (.748) 5.0+/-1.5 (.197) 0.8 N/A HTE25 1.2 5.5 1K 200M 25.4+/-1.5 (1.0) 5.0+/-1.5 (.197) 0.8 N/A HTE24 2.0 5.5 1K 300M 24.0+/-1.5 (.944) 8.0+/-1.0 (.314) 1.0 available HTE39 3.0 10.0 1K 500M 39.0+/-1.5 (1.50) 8.0+/-1.0 (.314) 1.0 available HTE52 5.0 15.0 1K 500M 52.0+/-1.5 (2.04) 8.0+/-1.0 (.314) 1.0 available HTE76 7.5 22.5 1K 500M 76.0+/-1.5 (2.54) 9.0+/-1.0 (0.354) 1.0 available on request HTE102 10.0 32.0 1K 700M 102.0+/-1.5 (4.01) 9.0+/-1.0 (0.354) 1.0 N/A HTE127 12.0 40.0 1K 500M 127.0+/-1.5 (5.00) 9.0+/-1.0 (0.354)1.0 1.0 N/A HTE152 15.0 48.0 1K 700M 152.0+/-1.5 (5.98) 9.0+/-1.0 (0.354) 1.0 N/A SMD type Custom dimension & available upon request Above mentioned Electrical applicable for 0.1MΩ ~ 700MΩ only Voltage restricted by the rated power Vdc, Vrms standard. And at 1.2/50㎲ impulse ; std. Voltage x 1.5 times available Specifications subject to change without notice Issue 11-2011 Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, United Kingdom. + 44 (0) 1342 717102 + 44 (0) 1342 717104 [email protected] http://www.willow.co.uk HTE Cylindrical High Voltage Resistors,Thicker film,Non-Inductive S PECIFICATIONS DIMENSIONS [mm] 35 ± 5 B A C Rated Power or Voltage% DERATING CURVE 100 80 60 40 20 0 25 75 125 175 225 Ambient-Temperature (˚C) * Rated power , and voltage of % APPLICATION GUIDE ; HTE SERIES • Automated Test (ATE) • Ozone Generating • Medical (Imaging) • Detectors • Ion Source • Nuclear Instrumentation • Chromatography (Gas) • Electron Beam • Medical (Radiation Therapy) • Pulse Generators • Military , Radar ,Laser ,Plasma • Surface Analysis • Measurements (High Voltage) • Electrophoresis * HV Capacitor Charging, Discharging •CT, MRI • Image Intensifier • Surface Analysis • Electric Power Transmission High Voltage • Piezo. Focusing (Poling) • Medical (Blood Analyzers) • Stress Testing • Corona Generators • Multichannel Analyzers • High Voltage Dividers • Klystron, Magnetron, Microwave Specifications subject to change without notice Resistance Tolerance : 1% 2% 5% 10% ,and 0.5%.. And (from 1kΩ to 100MΩ ; 0.1%, 0.25% special order available upon request, *but some parts unable to special tolerance) Endurable Harsh to Environment (Temperature ) : -55ºC to +195°C , Max. broken temperature on resistive of parts is 600? (for 70min.) Temperature Coefficient of Resistance: 100ppm/°C standard referenced to 25°C, from -25ºC to +125°C. ( 80ppm/°C and special TCR upon request ) Overload/Voltage : 5 times rated power with applied voltage not to exceed 1.5times maximum continuous operating voltage for 5 seconds ΔR 0.5% max. Thermal Shock : Mil-Std-202, Method- 107, Cond. C, ΔR 0.25% max. Load Life : 1.000 hours at rated power ΔR 0.7% max. Moisture Resistance : Mil-Std-202, Method 106, ΔR 0.4% max. Lead Material : Tinned plated copper solsderable semiflexible axial wire. Insulation Resistance : 10,000MΩ Min. Termination Cap of Material: Tinned Cap. Encapsulation : Epoxy conformal. Resistive Material : Thicker Film. Contact method between Resistives and termination Caps : Individual Conductive Pads . So,called "NCR" Non-contact resistance. Issue 11-2011 Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, United Kingdom. + 44 (0) 1342 717102 + 44 (0) 1342 717104 [email protected] http://www.willow.co.uk