31211 1-165

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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
78
REV 4767
Maxi-Mox
Precision Thick Film Axial Terminal
High Voltage/High Resistance
Ohmite Resistance Power Voltage Available Capacitance
Series Range (Ω) @70°C Rating Tolerances* (pf)
High-temperature (silicone coated)
MOX-1-12 250Ω to 300,000M 2.5W 10.0KV 1% to 20% 0.75
MOX-2-12 500Ω to 700,000M 5.0W 20.0KV 1% to 20% 0.60
MOX-3-12 750Ω to 1,000,000M 7.5W 30.0KV 1% to 20% 0.50
MOX-4-12 1K to 1,000,000M 10.0W 40.0KV 1% to 20% 0.40
MOX-5-12 1.25K to 1,000,000M 12.5W 50.0KV 1% to 20% 0.30
Standard (epoxy coated) @25°C
MOX-1-13 250Ω to 300,000M 2.0W 10.0KV 0.1% to 20% 0.75
MOX-2-13 500Ω to 700,000M 3.0W 20.0KV 0.1% to 20% 0.60
MOX-3-13 750Ω to 1,000,000M 4.0W 30.0KV 0.1% to 20% 0.50
MOX-4-13 1K to 1,000,000M 5.0W 40.0KV 0.1% to 20% 0.40
MOX-5-13 1.25K to 1,000,000M 6.0W 50.0KV 0.1% to 20% 0.30
*Some tolerances are not available over the entire resistance range.
100
Percent Rated Watts
Ambient Temperature, °C
60
20
0
0 10050 175
80
40
110°
25 75 125 150 200
210°
Epoxy
Silicone
225
70°
DERATING
Maxi-Mox resistors
are also versatile.
Suitable for indus-
trial applications
requiring still more
power for high
voltage switching,
industrial control,
and high voltage
current limiting.
Uncoated,
non-inductive
FEATURES
•Wideresistanceranges
•Voltageratingto50KV
•Powerratingto12.5watts
•Siliconeorepoxycoating
•Non-inductiveavailable
APPLICATIONS
•HVpowersupplies
•Powerdistribution
•Medicalinstrumentation
•Avionics
SERIES SPECIFICATIONS
CHARACTERISTICS
Core
Alumina
Resistor
Thick Film
Terminal
RoHS solder composition is 96% Sn, 3.5% Ag,
0.5% Cu
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
VOLTAGE
THICK FILM
AXIAL
Standard
coated
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
79
REV 4767
MOX-1N -131006FE
Maxi Mox
Series
Non-inductive
optional
Terminal
1 = 0.032"
Style
1,2,3,4,5,8
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:
1000 = 100
1503 = 150,000
5005 = 50,000,000
RoHS Compliant
A
B
1.5" typ.
lead dia.
0.032" typ.
ORDERING INFORMATION
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 >10,000 M 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 ±1.0%
Resistance to Solvents MIL-STD-202, Method 215G Acceptable for High Reliability 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 ±0.20%
Power Conditioning MIL-R-49462A, Par 4.8 ±0.50%
Solderability MIL-STD-202, Method 208F >95% Coverage
DIMENSIONS
TEMP. AND VOLTAGE COEFFICIENTS OF RESISTANCE
Temp. Coeff. of Resistance* Voltage Coeff. of Resistance**
Resistor Series 25 PPM/°C 50 PPM/°C 100 PPM/°C < 2PPM/Volt < 5PPM/Volt
MOX-1 1K-99M 100M-450M 451M-30,000M 250Ω-1,000M 1,001M-100,000M
MOX-2 1K-199M 200M-1,000M 1,001M-60,000M 500Ω-2,600M 2,601M-200,000M
MOX-3 1K-299M 300M-1,500M 1,501M-90,000M 750Ω-4,000M 4,001M-300,000M
MOX-4 1K-399M 400M-2,000M 2,001M-120,000M 1K-5,300M 5,301M-400,000M
MOX-5 1K-499M 500M-2,500M 2,501M-150,000M 1.25K-6,700M 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.
Notalltolerances
available in
all values.
Maxi-Mox
Precision Thick Film Axial Terminal
High Voltage/High Resistance
Ohmite A max. B max.
Series Power (in/mm) (in/mm)
High-temperature (silicone coated)
MOX-1-12 2.5W 1.120” / 28.45 0.310” / 7.87
MOX-2-12 5.0W 2.120” / 53.85 0.310” / 7.87
MOX-3-12 7.5W 3.120” / 79.24 0.310” / 7.87
MOX-4-12 10.0W 4.120” / 104.65 0.310” / 7.87
MOX-5-12 12.5W 5.120” / 130.05 0.310” / 7.87
Standard (epoxy coated)
MOX-1-13 2.0W 1.140” / 28.96 0.345” / 8.76
MOX-2-13 3.0W 2.140” / 54.36 0.345” / 8.76
MOX-3-13 4.0W 3.140” / 79.76 0.345” / 8.76
MOX-4-13 5.0W 4.140” / 105.16 0.345” / 8.76
MOX-5-13 6.0W 5.140” / 130.56 0.345” / 8.76
HIGH
VOLTAGE
THICK FILM
AXIAL

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