Maxi-Mox resistors are also
versatile. Suitable for industrial
applications requiring still more
power for high voltage switch-
ing, industrial control, and high
voltage current limiting.
precision thick Film axial terminal
High Voltage/High resistance
A
B
1.5" typ.
lead dia.
0.032" typ.
Maxi-Mox
Features
•
•
•
•
Wide resistance ranges
Voltage rating to 50KV
Power rating to 12.5 watts
Silicone or epoxy coating
ohmite
series
resistance
range (ohms
power
@70°c
2.5W
5.0W
7.5W
10.0W
12.5W
applications
•
•
•
•
HV power supplies
Power distribution
Medical instrumentation
Avionics
Voltage
rating
10.0KV
20.0KV
30.0KV
40.0KV
50.0KV
available
tolerances*
1% to 20%
1% to 20%
1% to 20%
1% to 20%
1% to 20%
a max.
(in/mm)
1.120” /
28.45
2.120” /
53.85
3.120” /
79.24
4.120” /
104.65
5.120” /
130.05
B max. capacitance
(in/mm)
(pf)
0.310” /
7.87
0.310” /
7.87
0.310” /
7.87
0.310” /
7.87
0.310” /
7.87
0.75
0.60
0.50
0.40
0.30
speciFications
Material
Core:
Alumina
Resistor:
Thick Film
Terminal:
RoHS solder composi-
tion is 96% Sn, 3.5% Ag, 0.5%
Cu
Electrical
Resistance Range:
250Ω to 1 Teraohm
Power Rating:
2.0W to 12.5W
Voltage Rating:
10KV to 50KV
Tolerance:
0.5% to 20%; not all
tolerances available in all values
Operating Temperature:
-55°C to +210°C
Temperature Coefficient:
25ppm/°C 0° to 85°C available
• High-temperature (silicone coated)
MOX-1-12 250 ohms to 300,000M
MOX-2-12 500 ohms to 700,000M
MOX-3-12 750 ohms to 1,000,000M
MOX-4-12
1K to 1,000,000M
MOX-5-12 1.25K to 1,000,000M
*Some tolerances are not available over the entire resistance range.
• Standard (epoxy coated)
@25°c
MOX-1-13 250 ohms to 300,000M
2.0W
MOX-2-13 500 ohms to 700,000M
3.0W
MOX-3-13 750 ohms to 1,000,000M
4.0W
MOX-4-13
1K to 1,000,000M
5.0W
MOX-5-13 1.25K to 1,000,000M
6.0W
10.0KV
20.0KV
30.0KV
40.0KV
50.0KV
0.1% to 20% 1.140” /
28.96
0.1% to 20% 2.140” /
54.36
0.1% to 20% 3.140” /
79.76
0.1% to 20% 4.140” /
105.16
0.1% to 20% 5.140” /
130.56
0.345” /
8.76
0.345” /
8.76
0.345” /
8.76
0.345” /
8.76
0.345” /
8.76
0.75
0.60
0.50
0.40
0.30
t e m p e r at u r e / V o lta g e c o e f f i c i e n t s o f r e s i s ta 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
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
*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.
p e r f o r m a n c e d ata
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
Test Method
MIL-STD-202, Method 103B, Condition B
MIL-STD-202, Method 301, 750V
MIL-STD-202, Method 302, Condition A or B
MIL-STD-202, Method 107G, Condition B, B-1, or F
MIL-STD-202, Method 108A, Condition D
MIL-STD-202, Method 215G
MIL-STD-202, Method 213B, Condition I
MIL-STD-202, Method 204D, Condition D
MIL-R-49462A, Par 4.8
MIL-STD-202, Method 208F
MIL-STD-202, Method 211A, Condition A or B
Specification
±0.25%
±0.25%
>10,000 M or greater dry
±0.20%
±1.0%
±0.25%
±0.25%
±0.20%
±0.50%
>95% Coverage
Acceptable for High Reliability Series only
derating
100
70°
80
Percent Rated Watts
Silicone
60
o r d e r i n g i n f o r m at i o n
Style
1,2,3,4,5,8
Coating
2 = Black silicone
3 = Epoxy
6 = No coating
E = RoHS Compliant
M O X-1-1 3 1 0 0 6 F
E
Maxi Mox
Series
Terminal
1 = 0.032"
40
Epoxy
20
110°
0
0
25
50
75
100
125
150
175
210°
200
225
Not all tolerances
available in
all values.
Ohms
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%
Ambient Temperature,
°C
Check product availability at
www.ohmite.com
Ohmite Mfg. Co.
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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