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| UR Cylindrical Ultra High Ohmic Resistors,Thick film,Non-Inductive Ultra High Ohmic High Voltage High Frequency Resistors G , T 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. UR Precision High OHmic Resistor, the main usage ; UR-series of resistors are desinged to help provide current pulse limiting, detection of trickle current . Tolerance : 0.5% 1% 2% 5% 10% * Resistance rating : 1G to 100T * NCR design : Non-contact resistance design between resistives and termination cap ,there is 3RLab's unique of conductive 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 1.2/50Sec 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 (100T available on UR3 as custom requirement) wattage in 25 C 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 ): -55C to +195C Max. broken temperature of resistives is 600 (for 70min.) Thermal Shock : Mil-Std-202, Method- 107, Cond. C, R 0.50% max. DERATING CURVE 00 80 Rated Power % Load Life : 1.000 hours at rated power R 0.7% max. Insulation Resistance : 10,000M Min. Cap & Lead of Material: Tinned Cap., tinned copper wire Encapsulation : Anti-humidity Epoxy conformal.coat Resistive Material : Thick Film. 60 40 0 0 5 75 5 75 95 Ambient-Temperature (C) Contact method between Resistives and Termination Caps : Individual Conductive Pads . So , called "NCR" Non-contact resistance. Temperature Coefficient Voltage Coefficient R-Range [ppm/C] R-Range VCR R-Range 1G to 9G 200 10G to 19G 0.002%/V 1G +/-1%(F) +/-0.5 10G to 300G 300 20G to 100G 0.007%/V 2G ~10G +/-2%(G) +/-1% 400G to 1T 1000 200G to 1T 0.01%/V 20G ~ 100G +/-5%(J) +/-2% 1.1T to 10T 1500 10T 0.05%/V 200G~1T +/-10%(K) +/-5% 10T +/-20% +/-10% R taken at 25C and 70C 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 info@willow.co.uk http://www.willow.co.uk + 44 (0) 1342 835234 + 44 resistors@3rlab.com www.3RLab.com 2007(c)3RLab,Inc. |
Price & Availability of UR1
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