Mini-Mox
F e at u r e s
Precision Thick Film Axial Terminal
High Voltage/High Resistance
a p p l i c at i o n s
• Wide resistance ranges
• Silicone or epoxy coating
• Metal oxide resistive element
• Avionics
• Medical electronics
• High gain feedback applications
• Current pulse limiters
• Vacuum and space application
Voltage
Rating
2,500V
5,000V
7,500V
2,500V
5,000V
7,500V
The Mini-Mox resistor is very ver-
satile, covering a wide resistance
range as well as a wide range of
operating voltages. Provided with
tolerances down to 0.5%, the Mini-
Mox resistor works well in precision
circuits.
s e r i e s s p e c i F i c at i o n s
Ohmite
Resistance
Series
Range (Ohms)
• High-temperature (silicone coated)
MOX-400-22
500Ω to 300,000M
MOX-750-22
750Ω to 600,000M
MOX1125-22
1K to 1,000,000M
• Standard (epoxy coated)
MOX-400-23
500Ω to 300,000M
MOX-750-23
1K to 600,000M
MOX1125-23
1K to 1,000,000M
Power
@70°C
0.35W
0.70W
1.40W
@25°C
0.75W
1.00W
1.50W
Available Capacitance
Tolerances*
(pf)
1% to 20%
1% to 20%
1% to 20%
0.5% to 20%
0.5% to 20%
0.5% to 20%
1.00
0.75
0.25
1.00
0.75
0.25
*Some tolerances
are not available
over the entire
resistance range.
characteristics
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
-55°C to +220°C
Temperature
Temp. Coefficient
25ppm/°C 0° to 85°C available
Performance Data
Characteristic
Test Method
Humidity
MIL-STD-202, Method 103B,
Condition B
Dielectric
MIL-STD-202, Method 301,
Withstanding Voltage
750V
Insulation Resistance
MIL-STD-202, Method 302,
Condition A or B
Thermal Shock
MIL-STD-202, Method 107G,
Condition B, B-1, or F
Load Life
MIL-STD-202, Method 108A,
Condition D
Resistance to
MIL-STD-202, Method 215G
Solvents
Terminal Strength
MIL-STD-202, Method 211A,
Condition A or B
Shock (Specified
MIL-STD-202, Method 213B,
Pulse)
Condition I
Specification
±0.25%
±0.25%
>10,000M or greater
dry
±0.20%
±2.0%
Acceptable for the
Standard Series Only
±0.25%
±0.25%
±.020%
±0.50%
>95% Coverage
Derating
100
70°
Silicone
60
80
Percent Rated Watts
Vibration, High
MIL-STD-202, Method 204D,
Frequency
Condition D
Power Conditioning
MIL-R-49462A, Par 4.8
Solderability
MIL-STD-202, Method 208F
40
Epoxy
20
110°
0
25
50
75
100
125
150
175
210°
200
225
0
Ambient Temperature,
°C
(continued)
67
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
Mini-Mox
Precision Thick Film Axial Terminal
High Voltage/High Resistance
s t a n d a r d t e M p . / V o lt a g e c o e F F i c i e n t s o F r e s i s t a n c e
Resistor Series
MOX-400
MOX-750
Temp. Coeff. of Resistance
25 PPM/°C
50 PPM/°C
1K-199M
1K-99M
100M-450M
200M-900M
100 PPM/°C
Voltage Coeff. of Resistance**
< 2PPM/Volt
< 5PPM/Volt
1K-1,000M
1K-2,000M
1,001M-100,000M
2,001M-100,000M
451M-30,000M
*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.
MOX1125
1K-299M
300M-1,350M
1,351M-100,000M
901M-70,000M
1K-3,000M
3,001M-100,000M
diMensions
(in./mm)
B
A
Series
Power
1.5" typ.
• High-temperature (silicone coated)
lead dia.
MOX-400-22
0.35W
0.020" typ.
MOX-750-22
MOX1125-22
• Standard (epoxy coated)
MOX-400-23
MOX-750-23
MOX1125-23
0.75W
1.00W
1.50W
0.70W
1.40W
A max.
@70°C
0.510” / 12.95
0.820” / 20.83
1.210” / 30.73
@25°C
0.580” / 14.78
0.880” / 22.35
1.270” / 32.26
B max.
0.140” / 3.56
0.140” / 3.56
0.140” / 3.56
0.165” / 4.19
0.165” / 4.19
0.165” / 4.19
hoW to order
Style
200, 300, 400,
750, 1125
Coating
2 = Black silicone
3 = Epoxy
6 = No coating
E = RoHS Compliant
MOX1125231006FE
Mini Mox
Series
Terminal
0 = MOX-200 or 300;
MOX-200 Z or 300 Z = 50ppm
2 = 0.020"
7 = 0.032"
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
Tolerance
D = 0.5%
F = 1%
G = 2%
J = 5%
K = 10%
M = 15%
P = 20%
Not all tolerances
available in
all values.
68
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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