72 Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 73
ORDERING INFORMATION
The Mini-Mox resistor is very
versatile, covering a wide
resistance range as well as a
wide range of operating volt-
ages. Provided with tolerances
down to 0.5%, the Mini-Mox
resistor works well in precision
circuits.
SPECIFICATIONS
Material
Resistor: Metal Oxide
Coating: Silicone
Core: Alumina
Terminals: Solder-coated axial
Electrical
Resistance Range:
500Ω to 1 Teraohm
Power Rating: 0.35W to 1.5W
Voltage Rating: 2500V to 7.5KV
Tolerance: 0.5% to 20%
Operating Temperature:
-55°C to +220°C
Temperature Coefficient:
25ppm/°C 0° to 85°C available
Mini-Mox
Precision Thick Film Axial Terminal
High Voltage/High Resistance
FEATURES
• Wide resistance ranges
• Silicone or epoxy coating
• Metal oxide resistive element
APPLICATIONS
• Avionics
• Medical electronics
• High gain feedback applications
• Current pulse limiters
• Vacuum and space application
Ohmite Resistance Power Voltage Available A ± 0.015” B max. Capacitance
Series Range (Ohms @70°C Rating Tolerances* (in/mm) (in/mm) (pf)
• High-temperature (silicone coated)
MOX-400-22 500Ω to 300,000M 0.35W 2,500V 1% to 20% 0.520” / 13.21 0.140” / 3.56 1.00
MOX-750-22 750Ω to 600,000M 0.70W 5,000V 1% to 20% 0.820” / 20.83 0.140” / 3.56 0.75
MOX1125-22 1K to 1,000,000M 1.40W 7,500V 1% to 20% 1.210” / 30.73 0.140” / 3.56 0.25
*Some tolerances are not available over the entire resistance range.
• Standard (epoxy coated) @25°C
MOX-400-23 500Ω to 300,000M 0.75W 2,500V 0.5% to 20% 0.580” / 14.78 0.165” / 4.19 1.00
MOX-750-23 1K to 600,000M 1.00W 5,000V 0.5% to 20% 0.880” / 22.35 0.165” / 4.19 0.75
MOX1125-23 1K to 1,000,000M 1.50W 7,500V 0.5% to 20% 1.270” / 32.26 0.165” / 4.19 0.25
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 >10,000M 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 ±2.0%
Resistance to Solvents MIL-STD-202, Method 215G Acceptable for the Standard 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 ±.020%
Power Conditioning MIL-R-49462A, Par 4.8 ±0.50%
Solderability MIL-STD-202, Method 208F >95% Coverage
STANDARD TEMPERATURE/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-400 1K-1,500M 1K-450M 451M-30,000M 1K-1,000M 1,001M-100,000M
MOX-750 1K-1,500M 1K-900M 901M-70,000M 1K-2,000M 2,001M-100,000M
MOX1125 1K-1,500M 1K-1,350M 1,351M-100,000M 1K-3,000M 3,001M-100,000M
*Epoxy: -55°C to 110°C; High Temp. Silicone: -55°C to 210°C
**For tighter VCs please contact Ohmite.
A
B1.5" typ.
lead dia.
0.020" typ.
MOX1125231006FE
Mini Mox
Series
Terminal
0 = MOX-200 or 300;
MOX-200 Z or 300 Z = 50ppm
2 = 0.020"
7 = 0.032"
Style
200, 300, 400,
750, 1125
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:
10R2 = 10.2 ohms
1000 = 100 ohms
1503 = 150,000 ohms
E = RoHS Compliant
DERATING
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°
Check product availability at www.ohmite.com
