UR2

UR Cylindrical Ultra High Ohmic Resistors,Thick film,Non-Inductive Ultra High Ohmic High Voltage High Frequency Resistors GΩ , TΩ Willow Technologies Ltd. Offers UR Series to Ultra High Ohmic of requirements at reasonable prices, An epoxy conformal coat , which is very good humidity protection , good Voltage of Coefficient. U R Precision High OHmic Resistor, the main usage ; UR-series of resistors are desinged to help provide current p ulse limiting, detection of trickle current . Tolerance : 0.5% 1% 2% 5% 10% * R esistance rating : 1GΩ to 100TΩ * N CR design : Non-contact resistance d esign between resistives and termination c ap ,there is 3RLab's unique of c onductive pad. Model Nr. UR1 UR1.7 UR2 UR2.5 UR3 + 1) 2) ** 1) Wattage 0.5 0.7 1.0 1.5 2.0 2) Max. Continuous Oper. Volt[kV] 2.0 5.0 5.0 10.0 12.0 **Impulse Voltage 1.2/50μSec 4.0 10.0 10.0 20.0 24.0 Resistance [ ohm ] Min. Max. 0.7G 50G 0.7G 1T 0.7G 1T 1G 1G 10T 10T SMD type N/A N/A available available available Dimensions in millimeters (inches) A 15+/-1.5 (.590) 25.4+/-1.5 (1.0) 24.0+/-1.5 (.944) 39.0+/-1.5 (1.50) 52.0+/-1.5 (2.04) B 5.0+/-1.5 (.197) 5.0+/-1.5 (.197) 8.0+/-1.0 (.314) 8.0+/-1.0 (.314) 8.0+/-1.0 (.314) C 0.8 0.8 1.0 1.0 1.0 Custom dimension & Ohnic Value available upon request (100TΩ available on UR3 as custom requirement) wattage in 25 ºC Vdc, Vrms Single impulse standard  UR Cylindrical Ultra High Ohmic Resistors,Thick film,Non-Inductive DIMENSIONS [mm] 35 ± 5 A B C SPECIFICATIONS Endurable Harsh to Environment ( Temperature ): -55ºC to +195°C Max. broken temperature of resistives is 6 00 ℃ ( for 70min.) Thermal Shock : M il-Std-202, Method- 107, Cond. C, Δ R 0 .50% max. DERATING CURVE 00 80 Rated Power % Load Life : 1 .000 hours at rated power Δ R 0.7% max. Insulation Resistance : 1 0,000M Ω M in. Cap & Lead of Material: Tinned Cap., tinned copper wire Encapsulation : A nti-humidity Epoxy conformal.coat Resistive Material : T hick Film. 60 40 0 0 5 75 5 75 95 Ambient-Temperature (˚C) Contact method between Resistives and Termination Caps : I ndividual Conductive Pads . So , called " NCR" Non-contact resistance. Temperature Coefficient Voltage Coefficient R-Range [ppm/°C] R-Range VCR R-Range 1GΩ to 9GΩ 200 10GΩ to 19GΩ 0.002%/V 1GΩ +/-1%(F) +/-0.5 10GΩ to 300GΩ 300 20GΩ to 100GΩ 0.007%/V 2GΩ ~10GΩ +/-2%(G) +/-1% 400GΩ to 1TΩ 1000 200GΩ to 1TΩ 0.01%/V 20GΩ ~ 100GΩ +/-5%(J) +/-2% 1.1TΩ to 10TΩ 1500 10TΩ 0.05%/V 200GΩ~1TΩ +/-10%(K) +/-5% 10TΩ +/-20% +/-10% ΔR taken at 25ºC and 70ºC Measured at 100vdc and 1000vdc Resistance Tolerance [%] Std. Custom Measured at 1000vdc Standard cf.: The described specifications & dimensions subject to change without notice. #604 Hyundai I-Valley ,14-1 Dang-dong , Kunpo City, Kyunggido, Korea voice +82-31-429-6379 fax +82-31-429-9127 Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom. (0) 1342 834306 i www.3RLab.com http://www.willow.co.uk + 44 (0) 1342 835234 + 44 resistors@3rlab.com nfo@willow.co.uk 2007©3RLab,Inc.