Ultra-Mox Series High Voltage, Thick Film F e at u r e s •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 S e r i e s s p e c i f i c at i o n s Series Power Rating Working Voltage Resistance Range UM025 1.0 15KV 1M-100M >100M-1G >1G-100G >100G-1T UM030 1.0 10KV 1M-100M >100M-1G >1G-100G >100G-1T UM040 1.2 20KV 1M-100M >100M-1G >1G-100G >100G-1T UM050 3.0 30KV 1M-100M >100M-1G >1G-100G >100G-1T >1T-10T Tolerance 0.25-10% 1-20% 5-30% 5-30% 0.25-10% 1-20% 5-30% 5-30% 0.25-10% 1-20% 5-30% 5-30% 0.25-10% 1-20% 5-30% 5-30% 10-30% TCR VCR 25, 50, 100 1ppm/V 50, 100, 250 2ppm/V 250, 500 10ppm/V 500, 1000 50ppm/V 25, 50, 100 2ppm/V 50, 100, 250 5ppm/V 250, 500 20ppm/V 500, 1000 100ppm/V 25, 50, 100 1ppm/V 50, 100, 250 2ppm/V 250, 500 10ppm/V 500, 1000 50ppm/V 25, 50, 100 1ppm/V 25, 50, 100 1ppm/V 100, 250 5ppm/V 250, 500 25ppm/V 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 +25°C ... +125°C; TCR25/50 and values above 1G: +25°C ... +85°C Operating temp. range -55°C ... +125°C 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 coating. Stability: Storage (125°C/1000h) ≤10G: <1%; >10G: <2% Stability at Max. voltage (Max. voltage/1000h) ≤10G: <1%; >10G: <2% 6 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] Ultra-Mox Series High Voltage, Thick Film Dimensions (in. / mm ±0.5) 0.06" 1.6mm L Series UM025 B 0.79" 20mm -2/+0 R L B R 0.98"/25.0 0.35"/9.0 0.90"/22.9 Lead spacing may be changed by bending 1.57"/40.0 0.24"/6.0 1.49"/37.8 Axial versions, versions with formed leads and versions with lead frames are available UM030 1.18"/30.0 0.24"/6.0 1.09"/27.7 UM050 1.97"/50.0 0.49"/12.5 1.88"/47.8 UM040 Other wire diameters and thicknesses available 0.024" 0.60mm ±.05 OR D ERIN G IN F OR M ATION RoHS Compliant UM050T1004JE Ultra-mox TCR Style High voltage (ppm) radial lead W = 25 V = 50 T = 100 Z = 250 E = 500 N = 1000 U = 2000 Ohms 1004 = 1MΩ 1006 = 100M 1009 = 100G 100A = 1T 100B = 10T Tolerance D =0.50% F = 1% G = 2% J = 5% K = 10% M = 20% P = 30% Standard Part Numbers UM030T1006FE UM040Z1009JE UM030Z1007FE UM040E100AJE UM030Z1008JE UM030Z1009JE UM050V1006FE UM050V1007FE UM030E100AJE UM050T1008JE UM040T1006FE UM050T1009JE UM040Z1007FE UM050Z100AJE UM040Z1008JE UM050E100BKE 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] 7