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UR2 Datasheet(PDF) 2 Page - Willow Technologies Ltd |
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UR2 Datasheet(HTML) 2 Page - Willow Technologies Ltd |
2 / 2 page UR CylindricalUltraHighOhmic Resistors,Thick film,Non-Inductive SPECIFICATIONS Temperature Coefficient R-Range 1GΩ to 9GΩ 10GΩ to 300GΩ 400GΩ to 1TΩ 1.1TΩ to 10TΩ ΔR taken at 25ºC and 70ºC [ppm/°C] 200 300 1000 1500 Voltage Coefficient R-Range 10GΩ to 19GΩ 20GΩ to 100GΩ 200GΩ to 1TΩ 10TΩ Measured at 100vdc and 1000vdc VCR 0.002%/V 0.007%/V 0.01%/V 0.05%/V Resistance Tolerance [%] R-Range 1GΩ 2GΩ ~10GΩ 20GΩ ~ 100GΩ 200GΩ~1TΩ 10TΩ Measured at 1000vdc Standard Std. +/-1%(F) +/-2%(G) +/-5%(J) +/-10%(K) +/-20% Custom +/-0.5 +/-1% +/-2% +/-5% +/-10% Endurable Harsh to Environment (Temperature ): -55ºC to +195°C Max. broken temperature of resistives is 600℃ (for 70min.) Thermal Shock : Mil-Std-202, Method- 107, Cond. C, ΔR 0.50% max. Load Life : 1.000 hours at rated power ΔR 0.7% max. Insulation Resistance : 10,000MΩ Min. Cap & Lead of Material: Tinned Cap., tinned copper wire Encapsulation : Anti-humidity Epoxy conformal.coat Resistive Material : Thick Film. Contact method between Resistives and Termination Caps : Individual Conductive Pads . So , called "NCR" Non-contact resistance. cf.: The described specifications & dimensions subject to change without notice. DERATING CURVE 5 75 5 75 95 00 80 60 40 0 0 Ambient-Temperature (˚C) 35 ± 5 A B C DIMENSIONS [mm] Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom. + 44 (0) 1342 835234 + 44 (0) 1342 834306 info@willow.co.uk http://www.willow.co.uk |
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