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High Voltage Resistors Series 400 MX
Precision, Non-Inductive, Low TC
High Voltage Resistors Series 400 MX have been specifically developed
for use in high performance industrial and laboratory high voltage
systems. These precision high voltage resistors combine proprietary non-
inductive resistance system and design to achieve low temperature
coefficient, low voltage coefficients, high stability and increased high
operating voltages.
Low TC Precision High Voltage Resistors Series 400 MX are intended for
use in low outgasing applications, SF6 and oil. Typical applications are
medical systems like X-ray as well as power supplies or instruments.
Max.
Oper.
Voltage
15’000
21’000
30’000
45’000
60’000
72’000
90’000
Dimensions in millimeters
±
0.50
[Dimensions in inches
±
0.02]
L
B
27.00 [1.07]
37.00 [1.46]
52.00 [2.05]
77.00 [3.03]
102.00 [4.02]
122.00 [4.80]
152.00 [5.98]
8.00 [0.32]
8.00 [0.32]
8.00 [0.32]
8.00 [0.32]
8.00 [0.32]
8.00 [0.32]
8.00 [0.32]
Model
MX400.2
MX400.3
MX400.5
MX400.7
MX400.10
MX400.12
MX400.15
Wattage
3.80
5.00
7.50
10.00
13.50
16.00
20.00
INDUCTIVE
NON
Ø0.8
ØB
35 ± 2
L ±1
Characteristics
Resistance Values
Tolerances
Temperature Coefficients
Operating Temperature
Insulation Resistance
Dielectric Strength
Thermal Shock
Overload
Moisture Resistance
Load Life
Encapsulation
Lead Material
from 1K to as high as 100G on all models (to 1T on request)
0.05%, 0.1%, 0.25%, 0.5%, 1%, 2%, 5%, 10% (0.05% avail. to 10G, 0.25% to 100G, other on request)
5, 10, 15, 25, 50 and 100 ppm/° (10 ppm/° available to 10G, 25 ppm/° to 100G, other on request)
C
C
C
-55 .. +225°
C
(extended temperature range to 350° available)
C
> 10'000 M
500 Volt 25 ° 75% relative humidity
C
> 1'000 Volt
25 ° 75% relative humidity
C
R/R < 0.1% typ., 0.20% max.
MIL Std. 202, method 107 Cond. C
IEC 68 - 2 -14
R/R < 0.1% typ., 0.25% max.
1,5 x Pnom, 5 sec (do not exceed max. voltage)
R/R < 0.1% typ., 0.25% max.
MIL Std. 202, method 106
IEC 68 - 2 - 3
R/R < 0.1% typ., 0.25% max.
1000 hours at rated power
IEC 115 - 1
Screen Printed Silicone
Core Material
Al
2
O
3
(96%)
Gold Plated
Resistor Material
Ruthenium Oxide
Voltage Coefficients of Resistance
Model
MX400.2
MX400.3
MX400.5
MX400.7
MX400.10
MX400.12
MX400.15
Resistance Range
1K .. 500M
500M .. 5G
1K .. 1G
1G .. 10G
1K .. 1G5
1G5 .. 15G
1K .. 2G5
2G5 .. 25G
1K .. 3G
3G ..30G
1K .. 4G
4G .. 40G
1K .. 5G
5G .. 50G
VCR (-ppm/V)*
< 0.40
< 0.75
< 0.20
< 0.40
< 0.15
< 0.30
< 0.10
< 0.15
< 0.08
< 0.12
< 0.06
< 0.10
< 0.04
< 0.08
Derating Curve
25°C
100
RATED LOAD %
80
60
40
20
0
-50
0
50
100
150
200
* typical values, contact factory for details
© 2004 Nicrom Electronic
Via Roncaglia 22, CH-6883 Novazzano, Switzerland
Fax: ++41 91 682 99 86 Phone: ++41 91 682 67 01
Version 5.04x
www.nicrom-electronic.com
AMBIENT TEMPERATURE (°
C)
info@nicrom-electronic.com
Specifications subject to changes without notice
1
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