FeaTuRes
• Wide resistance ranges
• Outstanding voltage coefficient
• 0.4” diameter ferrule, 0.25”-20
threaded end cap, or radial
bands available
• Metal oxide resistive elements
aPPlicaTions
•
•
•
•
•
Power Transmitters
Pollution Control Systems
Industrial Control Systems
Current pulse limiters
Vacuum and space application
The heavy duty construction
of the Power-Mox series make
them durable in most high
voltage industrial applications.
This product is well known for
its high voltage ratings, low
voltage coefficients, very high
ohmic values, and resistor
divider options. Terminations
can be selected to adapt to
most mounting schemes.
Precision Power Thick Film
High Voltage/High Resistance Tubular
A
B
0.5" typ.
Power-Mox
sPeciFicaTions
Material
Core:
Ceramic.
Coating:
Varnish
Electrical
Resistance Range:
20K to 1,000,000M
Power Rating:
to 75W
Voltage Rating:
to 60KV
Operating Temperature:
-65°C to +180°C
Temperature Coefficient:
25ppm: 0° to 85°C;
50ppm -55° to 180°C
ohmite
Resistance
series
Range (ohms)
MOX-F
1K to 800,000M
MOX-G 1.5K to 1,000,000M
MOX-H 2K to 1,000,000M
MOX-J 3K to 1,000,000M
Power
@25°c
25W
40W
50W
75W
Voltage
Rating
20KV
30KV
45KV
60KV
available
Tolerances
0.5, 1, 2, 5
0.5, 1, 2, 5
0.5, 1, 2, 5
0.5, 1, 2, 5
a
± 0.05
3.0” /
76.2
4.5” /
114.3
6.0” /
152.4
8.0” /
203.2
B
Max
0.770” /
19.56
0.770” /
19.56
0.770” /
19.56
0.770” /
19.56
Some tolerances are not available over the entire resistance range.
O R d E R i N g i N f O R M AT i O N
Style
F, G, H,
J
E = RoHS Compliant
MOX-J-041006FE
Power Mox
Series
Terminal
01 = Silver termination only
02 = Radial band
03 = 0.4" Ferrule
04 = 1/4 X 20 threaded
Ferrule cap
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%
100
25°
80
Percent Rated Watts
Precision Power Thick Film
High Voltage/High Resistance Tubular Dividers
Power-Mox Dividers
Maximum
Ratio
Ratio
Tolerances
5,000:1
1, 2, 5%
5,000:1
1, 2, 5%
5,000:1
1, 2, 5%
5,000:1
1, 2, 5%
a
± 0.05
3.0” /
76.2
4.5” /
114.3
6.0” /
152.4
8.0” /
203.2
B
Max
0.770” /
19.56
0.770” /
19.56
0.770” /
19.56
0.770” /
19.56
60
40
20
180°
0
0
50
100
150
200
ohmite
series
MOX-FRD
MOX-GRD
MOX-HRD
MOX-JRD
Resistance
Range (ohms)
20K to 2,500M
20K to 4,000M
20K to 6,000M
20K to 6,000M
Power
@25°c
15W
30W
40W
60W
Voltage
Rating
15KV
25KV
35KV
50KV
Ambient Temperature,
°C
P O W E R - M O X A LT E R N AT E T E R M i N A L s
“01” Lead
“Power-Mox RD” Series
with silver terminations
“02” Lead
“Power-Mox” Series with
radial band option
no. 6-32 x 0.25" screw
no. 6-32 hex nut
0.75"
B
0.25"
0.89"
A+0.12"
A+0.96"
0.4"
“03” Lead
“Power-Mox” Series
with Ferrule end caps
“04” Lead
“Power-Mox” Series with
1/4 - 20 threaded end caps
0.825" max.
1/4-20 threads
(2 places)
A
B
0.5" typ.
1.5" typ.
A
A
+0.15" max.
A
+0.55" max.
To specify Power-Mox
Dividers,
please see our website at:
www.ohmite.com/dividers
Ohmite Mfg. Co.
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
75
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