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Resistor Metal Oxide
Coating Silicone or Epoxy
Core Alumina
Terminals Solder-coated axial. RoHS
solder composition is 96% Sn,
3.5% Ag, 0.5% Cu
Resistance Range 500Ω to 1 Teraohm
Power Rating 0.35W to 1.5W
Voltage Rating 2500V to 7.5KV
Tolerance 0.5% to 20%; not all toler-
ances available in all values
Operating
Temperature
-55°C to +220°C
Temp. Coefficient 25ppm/°C 0° to 85°C available
Mini-Mox
Precision Thick Film Axial Terminal
High Voltage/High Resistance
Ohmite Resistance Voltage Available Capacitance
Series Range (Ohms) Power Rating Tolerances* (pf)
• High-temperature (silicone coated) @70°C
MOX-400-22 500Ω to 300,000M 0.35W 2,500V 1% to 20% 1.00
MOX-750-22 750Ω 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) @25°C
MOX-400-23 500Ω 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
Performance Data
Characteristic Test Method Specification
Humidity MIL-STD-202, Method 103B,
Condition B
±0.25%
Dielectric
Withstanding Voltage
MIL-STD-202, Method 301,
750V
±0.25%
Insulation Resistance MIL-STD-202, Method 302,
Condition A or B
>10,000M or greater
dry
Thermal Shock MIL-STD-202, Method 107G,
Condition B, B-1, or F
±0.20%
Load Life MIL-STD-202, Method 108A,
Condition D
±2.0%
Resistance to
Solvents
MIL-STD-202, Method 215G Acceptable for the
Standard Series Only
Terminal Strength MIL-STD-202, Method 211A,
Condition A or B
±0.25%
Shock (Specified
Pulse)
MIL-STD-202, Method 213B,
Condition I
±0.25%
Vibration, High
Frequency
MIL-STD-202, Method 204D,
Condition D
±.020%
Power Conditioning MIL-R-49462A, Par 4.8 ±0.50%
Solderability MIL-STD-202, Method 208F >95% Coverage
Derating
100
Percent Rated Watts
Ambient Temperature, °C
60
20
0
0 10050 175
80
40
11 0°
25 75 125 150 200
210°
Epoxy
Silicone
225
70°
FEATURES
•Wideresistanceranges
•Siliconeorepoxycoating
•Metaloxideresistiveelement
APPLICATIONS
•Avionics
•Medicalelectronics
•Highgainfeedbackapplications
•Currentpulselimiters
•Vacuumandspaceapplication
TheMini-Moxresistorisveryver-
satile,coveringawideresistance
rangeaswellasawiderangeof
operatingvoltages.Providedwith
tolerancesdownto0.5%,theMini-
Moxresistorworkswellinprecision
circuits.
*Some tolerances
are not available
over the entire
resistance range.
SERIES SPECIFICATIONS
CHARACTERISTICS
(continued)
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68
MOX1125231006FE
Mini Mox
Series
Terminal
0 = MOX-200 or 300;
MOX-200 Z or 300 Z = 50ppm
2 = 0.020"
7 = 0.032"
Style
200, 300, 400,
750, 1125
Tolerance
D= 0.5%
F= 1%
G= 2%
J= 5%
K=10%
M=15%
P=20%
Coating
2 = Black silicone
3 = Epoxy
6 = No coating
Ohms
First 3 digits are
significant; 4th digit is
multiplier (# of zeroes
to follow). Examples:
10R2 = 10.2 ohms
1000 = 100 ohms
1503 = 150,000 ohms
E = RoHS Compliant
Notalltolerances
availablein
allvalues.
Series Power A max. B max.
• High-temperature (silicone coated) @70°C
MOX-400-22 0.35W 0.510” / 12.95 0.140” / 3.56
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) @25°C
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
A
B1.5" typ.
lead dia.
0.020" typ.
Mini-Mox
Precision Thick Film Axial Terminal
High Voltage/High Resistance
DIMENSIONS
(in./mm)
HOW TO ORDER
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 0°C-85°C. TCR of 50ppm and 100ppm for -55°C to 125°C. Consult fac-
tory for TCR values operating higher than 125°C
**For tighter VCs please contact Ohmite.
STANDARD TEMP./VOLTAGE COEFFICIENTS OF RESISTANCE
