Ultra-Mox Series High Voltage, Thick Film FeatUreS High voltage resistors in thick film technology Radial leads, variable lead spacing by bending Climatic protection by silicone coating Special versions possible Resistance values up to 10 teraohm Low values of TCR and VCR SerieS SpeciFicationS Series Power Rating Working Voltage Resistance Range Tolerance TCR VCR UM025 1.0 15KV 1M-100M 0.25-10% 25, 50, 100 1ppm/V >100M-1G 1-20% 50, 100, 250 2ppm/V >1G-100G 5-30% 250, 500 10ppm/V >100G-1T 5-30% 500, 1000 50ppm/V UM030 1.0 10KV 1M-100M 0.25-10% 25, 50, 100 2ppm/V >100M-1G 1-20% 50, 100, 250 5ppm/V >1G-100G 5-30% 250, 500 20ppm/V >100G-1T 5-30% 500, 1000 100ppm/V UM040 1.2 20KV 1M-100M 0.25-10% 25, 50, 100 1ppm/V >100M-1G 1-20% 50, 100, 250 2ppm/V >1G-100G 5-30% 250, 500 10ppm/V >100G-1T 5-30% 500, 1000 50ppm/V UM050 3.0 30KV 1M-100M 0.25-10% 25, 50, 100 1ppm/V >100M-1G 1-20% 25, 50, 100 1ppm/V >1G-100G 5-30% 100, 250 5ppm/V >100G-1T 5-30% 250, 500 25ppm/V >1T-10T 10-30% on request Closer tolerance, TCR and VCR, other dimensions, and voltage dividers, on request. characteriSticS Continuous operating voltage V=(P*R) Measuring voltage Standard measuring voltage is 10V (50V for values >1G). Different voltages on request. TCR in ppm/K Temperature range +25C ... +125C TCR25/50 and values above 1G: +25C ... +85C Operating temp. range -55C ... +125C Climatic category to EN 60068-1: 55/125/56 Humidity-/contact protection Lacquer coating. Resistant to most solvents. Isopropyl alcohol recommended for cleaning do not use acetone or methylene choloride. Avoid mechanical stress to coat- ing. (125C/1000h) 10G: <1% >10G: <2% Stability: Storage Stability at Max. voltage (Max. voltage/1000h) 10G: <1% >10G: <2% 6 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.comUltra-Mox Series High Voltage, Thick Film DiMenSionS (in. / mm 0.5) 0.06 1.6mm L Series L B R UM025 0.98 /25.0 0.35 /9.0 0.90 /22.9 Lead spacing may be changed by bending B UM030 1.18 /30.0 0.24 /6.0 1.09 /27.7 Other wire diameters and thicknesses available UM040 1.57 /40.0 0.24 /6.0 1.49 /37.8 Axial versions, versions with formed leads and versions 0.79 with lead frames are available UM050 1.97 /50.0 0.49 /12.5 1.88 /47.8 20mm -2/+0 R 0.024 0.60mm .05 orDerinG inForMation RoHS Compliant Standard Part Numbers UM050T1004JE UM030T1006FE UM040Z1009JE UM030Z1007FE UM040E100AJE Ultra-mox Style TCR Ohms Tolerance High voltage (ppm) 1004 = 1M D = 0.50% UM030Z1008JE UM050V1006FE radial lead W = 25 1006 = 100M F = 1% V = 50 1009 = 100G G = 2% UM030Z1009JE UM050V1007FE T = 100 100A = 1T J = 5% Z = 250 100B = 10T K = 10% UM030E100AJE UM050T1008JE E = 500 M = 20% UM040T1006FE UM050T1009JE N = 1000 P = 30% U = 2000 UM040Z1007FE UM050Z100AJE UM040Z1008JE UM050E100BKE 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com 7