super Mox series
High Voltage
High-voltage Super Mox resistors have been devel-
oped to meet the precision temperature stability
requirements of high-accuracy and high-voltage Uncoated resistor element pictured for
demonstration purposes only. Finished
systems. Super Mox combines proprietary non-
product is coated with silicone.
inductive resistance system and design to achieve
requirements of high voltage power supplies, elec-
low temperature coefficient, low voltage coefficients,
tron microscopes, X-ray systems, high resolution
high stability and increased high operating voltages.
CRT displays and geophysical instruments.
These resistors are designed to meet the demanding
series sPeciFicatiONs
Power Max. Oper.
Series Rating (W) Voltage Res. Range () VCR*
MOX910 3.9 9.4Kv 600-500M 0.40
500M-10G 0.75
MOX920 4.6 13.8Kv 500-1G 0.20
1G-50G 0.40
MOX930 7.8 20Kv 400-1G5 0.15
1G5-50G 0.30
MOX940 11.7 30Kv 600-2G5 0.10
2G5-50G 0.15
MOX950 12.5 40Kv 800-3G 0.08
3G-50G 0.12
MOX960 15.5 50Kv 1M-4G 0.06
4G-50G 0.10
MOX970 19.4 60Kv 1M-5G 0.04
5G-50G 0.08
* typical values, contact factory for details
characteristics
Tolerances 0.10%, 0.25%, 0.5%, 1% Insulation >10,000 M 500 Volt 25 C 75% relative
Resistance humidity
Temperature 5, 10, 15, 25, 50 and 100ppm/C (10ppm/C avail-
Coefficients able to 10G, 25ppm/C to 100G, other on request. Dielectric >1,000 Volt 25 C 75% relative humidity
Temperature coefficient referenced to 25C, R Strength
taken at +125C.
Thermal R/R < 0.1% typ., MIL Std. 202, method 107
Encapsulation Silicone Conformal Coating Shock 0.20% max. Cond. C (IEC 68 -2 -14)
Gold Plated
Terminal Overload R/R < 0.1% typ., 1,5 x Pnom, 5 sec (do not
Material 0.25% max. exceed max. voltage)
Core Material Al2O3 (96%) Moisture R/R < 0.1% typ., MIL Std. 202, method 106
Resistance 0.25% max. (IEC 68 -2 -3)
Resistor Ruthenium Oxide
Material Load Life R/R < 0.1% typ., 1000 hours at rated power
0.25% max. (IEC 115 -1)
Operating -55C to 225C
Temperature
Derating
100
25
80
60
40
20
225
0
-50 0 50 100 150 200 250
(continued)
Ambient Temperature, C
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Percent Rated Wattssuper Mox series
High Voltage
diMeNsiONs
(in./mm 0.5mm)
Series L
MOX910 1.07" / 27.2mm
1.38" / 35mm 2
MOX920 1.56" / 39.5mm
0.32" / 8.2mm
L
MOX930 2.05" / 52mm
1mm
MOX940 3.06" / 77.6mm
MOX950 4.06" / 103.2mm
MOX960 4.87" / 123.7mm
MOX970 6.05" / 153.7mm
OrderiNg iNFOrMatiON
Coating
2 = conformal silicone standard E = RoHS compliant
MOX91021006JTE
TCR*
Super Mox Series Ohms Tolerance*
T = 100ppm
B = 0.10%
see chart for wattage First 3 digits are
V = 50ppm
C = 0.25%
significant; 4th digit is
W= 25ppm
D = 0.5%
multiplier (# of zeroes
X = 15ppm
*Extremely tight tolerances
F = 1%
to follow). Examples:
Y = 10ppm
and TCRs not available
1001 = 1000
across the full resistance
1503 = 150,000
range. Consult factory.
1006 = 100 M
Ohms
Part Number Watts 1% tol. TCR
MOX91021004FVE 3.9W 1M 50ppm
MOX91025004FVE 3.9W 5M 50ppm
MOX91021005FVE 3.9W 10M 50ppm
MOX91022505FTE 3.9W 25M 100ppm
MOX92021005FVE 4.6W 10M 50ppm
MOX92025005FVE 4.6W 50M 50ppm
MOX92021006FVE 4.6W 100M 50ppm
MOX92021007FTE 4.6W 1000M 100ppm
MOX93021004FVE 7.8W 1M 50ppm
MOX93025004FVE 7.8W 5M 50ppm
MOX93021005FVE 7.8W 10M 50ppm
MOX93022505FTE 7.8W 25M 100ppm
MOX94021005FVE 11.7W 10M 50ppm
MOX94025005FVE 11.7W 50M 50ppm
MOX94021006FVE 11.7W 100M 50ppm
MOX94021007FTE 11.7W 1000M 100ppm
MOX95021004FVE 12.5W 1M 50ppm
MOX95025004FVE 12.5W 5M 50ppm
MOX95021005FVE 12.5W 10M 50ppm
MOX95022505FTE 12.5W 25M 100ppm
MOX96021005FVE 15.5W 10M 50ppm
MOX96025005FVE 15.5W 50M 50ppm
MOX96021006FVE 15.5W 100M 50ppm
MOX96021007FTE 15.5W 1000M 100ppm
MOX97021004FVE 19.4W 1M 50ppm
MOX97025004FVE 19.4W 5M 50ppm
MOX97021005FVE 19.4W 10M 50ppm
MOX97022505FTE 19.4W 25M 100ppm
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