Mini-Mox
Precision Thick Film Axial Terminal
High Voltage/High Resistance
Features applications
The Mini-Mox resistor is ver y ver-
satile, covering a wide resistance
Wide resistance ranges Avionics
range as well as a wide range of
Silicone or epoxy coating Medical electronics
operating voltages. Provided with
Metal oxide resistive element High gain feedback applications
tolerances down to 0.5%, the Mini-
Mox resistor works well in precision
Current pulse limiters
circuits.
Vacuum and space application
series speciFications
Ohmite Resistance Voltage Available Capacitance
Series Range (Ohms) Power Rating Tolerances* (pf)
*Some tolerances
High-temperature (silicone coated) @70C
are not available
over the entire
MOX-400-22 500 to 300,000M 0.35W 2,500V 1% to 20% 1.00
resistance range.
MOX-750-22 750 to 600,000M 0.70W 5,000V 1% to 20% 0.75
MOX1125-22 1K to 1,000,000M 1.40W 7,500V 1% to 20% 0.25
Standard (epoxy coated) @25C
MOX-400-23 500 to 300,000M 0.75W 2,500V 0.5% to 20% 1.00
MOX-750-23 1K to 600,000M 1.00W 5,000V 0.5% to 20% 0.75
MOX1125-23 1K to 1,000,000M 1.50W 7,500V 0.5% to 20% 0.25
characteristics
Performance Data
Resistor Metal Oxide
Coating Silicone or Epoxy
Characteristic Test Method Specification
Core Alumina
Humidity MIL-STD-202, Method 103B, 0.25%
Condition B
Terminals Solder-coated axial. RoHS
solder composition is 96% Sn,
Dielectric MIL-STD-202, Method 301, 0.25%
3.5% Ag, 0.5% Cu
Withstanding Voltage 750V
Resistance Range 500 to 1 Teraohm
Insulation Resistance MIL-STD-202, Method 302, >10,000M or greater
Condition A or B dry
Power Rating 0.35W to 1.5W
Thermal Shock MIL-STD-202, Method 107G, 0.20%
2500V to 7.5KV
Voltage Rating
Condition B, B-1, or F
Tolerance 0.5% to 20%; not all toler-
Load Life MIL-STD-202, Method 108A, 2.0%
ances available in all values
Condition D
Operating -55C to +220C
Resistance to MIL-STD-202, Method 215G Acceptable for the
Temperature
Solvents Standard Series Only
Temp. Coefficient 25ppm/C 0 to 85C available
Terminal Strength MIL-STD-202, Method 211A, 0.25%
Condition A or B
Derating
Shock (Specified MIL-STD-202, Method 213B, 0.25%
100
Pulse) Condition I
70
Vibration, High MIL-STD-202, Method 204D, .020%
80
Frequency Condition D
Silicone
Power Conditioning MIL-R-49462A, Par 4.8 0.50%
60
Solderability MIL-STD-202, Method 208F >95% Coverage
40
Epoxy
20
110 210
0
0 25 50 75 100 125 150 175 200 225
(continued)
Ambient Temperature, C
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Percent Rated WattsMini-Mox
Precision Thick Film Axial Terminal
High Voltage/High Resistance
standard teMp./Voltage coeFFicients oF resistance
Temp. Coeff. of Resistance Voltage Coeff. of Resistance**
Resistor Series 25 PPM/C 50 PPM/C 100 PPM/C < 2PPM/Volt < 5PPM/Volt
MOX-400 1K-99M 100M-450M 451M-30,000M 1K-1,000M 1,001M-100,000M
MOX-750 1K-199M 200M-900M 901M-70,000M 1K-2,000M 2,001M-100,000M
MOX1125 1K-299M 300M-1,350M 1,351M-100,000M 1K-3,000M 3,001M-100,000M
*TCR of 25ppm for temperature range of 0C-85C. TCR of 50ppm and 100ppm for -55C to 125C. Consult fac-
tory for TCR values operating higher than 125C
**For tighter VCs please contact Ohmite.
diMensions
(in./mm)
B Series Power A max. B max.
A 1.5" typ.
High-temperature (silicone coated) @70C
lead dia.
MOX-400-22 0.35W 0.510 / 12.95 0.140 / 3.56
0.020" typ.
MOX-750-22 0.70W 0.820 / 20.83 0.140 / 3.56
MOX1125-22 1.40W 1.210 / 30.73 0.140 / 3.56
Standard (epoxy coated) @25C
MOX-400-23 0.75W 0.580 / 14.78 0.165 / 4.19
MOX-750-23 1.00W 0.880 / 22.35 0.165 / 4.19
MOX1125-23 1.50W 1.270 / 32.26 0.165 / 4.19
hoW to order
Coating
Style 2 = Black silicone
200, 300, 400, 3 = Epoxy
750, 1125 6 = No coating E = RoHS Compliant
MOX1125231006F E
Not all tolerances
Tolerance
available in
Mini Mox Terminal Ohms
D= 0.5%
Series 0 = MOX-200 or 300; First 3 digits are
all values.
F= 1%
MOX-200 Z or 300 Z = 50ppm significant; 4th digit is
G= 2%
2 = 0.020" multiplier (# of zeroes
J= 5%
7 = 0.032" to follow). Examples:
K= 10%
10R2 = 10.2 ohms
M= 15%
1000 = 100 ohms
P= 20%
1503 = 150,000 ohms
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