Maxi-Mox
Precision Thick Film Axial Terminal
High Voltage/High Resistance
Maxi-Mox resistors are also versatile.
Suitable for industrial applications
requiring still more power for high
voltage switching, industrial control,
and high voltage current limiting.
F e at u r e s
a P P l i C at i O n s
• Wide resistance ranges
• Voltage rating to 50KV
• Power rating to 12.5 watts
• Silicone or epoxy coating
• Non-inductive available
Power
@70°C
• HV power supplies
• Power distribution
• Medical instrumentation
• Avionics
s e r i e s s P e C i F i C at i O n s
Ohmite
Resistance
Series
Range (Ω)
• High-temperature (silicone coated)
MOX-1-12
250Ω to 300,000M
MOX-2-12
500Ω to 700,000M
MOX-3-12
750Ω to 1,000,000M
MOX-4-12
1K to 1,000,000M
MOX-5-12
1.25K to 1,000,000M
• Standard (epoxy coated)
MOX-1-13
250Ω to 300,000M
MOX-2-13
500Ω to 700,000M
MOX-3-13
750Ω to 1,000,000M
MOX-4-13
1K to 1,000,000M
MOX-5-13
1.25K to 1,000,000M
Voltage
Rating
Available
Tolerances*
Capacitance
(pf)
2.5W
10.0KV
1% to 20%
0.75
5.0W
20.0KV
1% to 20%
0.60
7.5W
30.0KV
1% to 20%
0.50
10.0W
40.0KV
1% to 20%
0.40
12.5W
50.0KV
1% to 20%
0.30
@25°C
2.0W
10.0KV
0.1% to 20%
0.75
3.0W
20.0KV
0.1% to 20%
0.60
4.0W
30.0KV
0.1% to 20%
0.50
5.0W
40.0KV
0.1% to 20%
0.40
6.0W
50.0KV
0.1% to 20%
0.30
*Some tolerances are not available over the entire resistance range.
CharaCteristiCs
Percent Rated Watts
Resistance Range
250Ω to 1 Teraohm
Voltage Rating
10KV to 50KV
Power Rating
2.0W to 12.5W
Terminal
RoHS solder composition is 96% Sn, 3.5% Ag,
0.5% Cu
Resistor
Thick Film
Core
Alumina
d e r at i n g
100
70°
Silicone
60
80
40
Epoxy
Operating Temperature
-55°C to +210°C
Tolerance
0.5% to 20%; not all tolerances available in all
values
20
110°
0
25
50
75
100
125
150
175
210°
200
225
0
Ambient Temperature,
°C
Temperature
25ppm/°C 0° to 85°C available
Coefficient
69
(continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
Maxi-Mox
Precision Thick Film Axial Terminal
High Voltage/High Resistance
diMensiOns
Ohmite
A max.
Series
Power
(in/mm)
• High-temperature (silicone coated)
MOX-1-12
2.5W
1.120” / 28.45
MOX-2-12
5.0W
2.120” / 53.85
MOX-3-12
7.5W
3.120” / 79.24
MOX-4-12
10.0W
4.120” / 104.65
MOX-5-12
12.5W
5.120” / 130.05
• Standard (epoxy coated)
MOX-1-13
2.0W
1.140” / 28.96
MOX-2-13
3.0W
2.140” / 54.36
MOX-3-13
4.0W
3.140” / 79.76
MOX-4-13
5.0W
4.140” / 105.16
MOX-5-13
6.0W
5.140” / 130.56
Characteristic
Humidity
Dielectric Withstanding Voltage
Insulation Resistance
Thermal Shock
Load Life
Resistance to Solvents
Terminal Strength
Shock (Specified Pulse)
Vibration High Frequency
Power Conditioning
Solderability
B max.
(in/mm)
0.310” / 7.87
0.310” / 7.87
0.310” / 7.87
0.310” / 7.87
0.310” / 7.87
0.345” / 8.76
0.345” / 8.76
0.345” / 8.76
0.345” / 8.76
0.345” / 8.76
A
B
1.5" typ.
lead dia.
0.032" typ.
P e r F O r M a n C e d ata
Test Method
Specification
MIL-STD-202, Method 103B, Condition B
±0.25%
MIL-STD-202, Method 301, 750V
±0.25%
MIL-STD-202, Method 302, Condition A or B
>10,000 M or greater dry
MIL-STD-202, Method 107G, Condition B, B-1, or F ±0.20%
MIL-STD-202, Method 108A, Condition D
±1.0%
MIL-STD-202, Method 215G
Acceptable for High Reliability Series only
MIL-STD-202, Method 211A, Condition A or B
±0.25%
MIL-STD-202, Method 213B, Condition I
±0.25%
MIL-STD-202, Method 204D, Condition D
±0.20%
MIL-R-49462A, Par 4.8
±0.50%
MIL-STD-202, Method 208F
>95% Coverage
Voltage Coeff. of Resistance**
< 2PPM/Volt
< 5PPM/Volt
250Ω-1,000M
500Ω-2,600M
750Ω-4,000M
1K-5,300M
1.25K-6,700M
1,001M-100,000M
2,601M-200,000M
4,001M-300,000M
5,301M-400,000M
6,701M-500,000M
t e M P . a n d 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-1
MOX-2
MOX-3
MOX-4
MOX-5
Temp. Coeff. of Resistance*
25 PPM/°C
50 PPM/°C
100 PPM/°C
1K-99M
1K-199M
1K-299M
1K-399M
1K-499M
100M-450M
200M-1,000M
300M-1,500M
400M-2,000M
500M-2,500M
451M-30,000M
1,001M-60,000M
1,501M-90,000M
2,001M-120,000M
2,501M-150,000M
*TCR of 25ppm for temperature range of 0°C-85°C. TCR of 50ppm and 100ppm for -55°C to 125°C. Consult factory for TCR values operating higher than 125°C
**For tighter VCs please contact Ohmite.
O r d e r i n g i n F O r M at i O n
Non-inductive
optional
Coating
2 = Black silicone
3 = Epoxy
6 = No coating
RoHS Compliant
MOX-1N-131006FE
Maxi Mox
Series
Style
1,2,3,4,5,8
Terminal Ohms
1 = 0.032" First 3 digits are
significant; 4th digit is
multiplier (# of zeroes
to follow). Examples:
1000 =
100Ω
1503 =
150,000Ω
5005 = 50,000,000Ω
Tolerance
D = 0.5%
F = 1%
G = 2%
J = 5%
K = 10%
M = 15%
P = 20%
Not all tolerances
available in
all values.
70
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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