TECHNICAL INFORMATION
TECHNICAL INFORMATION
OPERATING VOLTAGE
ELECTRO MAGNETIC
COMPATIBILITY (EMC)
Acc. SAE AS 13441:2004 method 3001.1
0
-10
-20
-30
-40
-50
-60
-70
The values specified in the catalog correspond to SAE AS 13441:2004 method 3001.1. The table values were
determined according to EIA 364-20E:2015. The inserts were tested while mated, and the test current was applied
to the pin insert.
75 % of the dielectric withstanding voltage is used for the further calculation. The operating voltage is 1/3 of this value.
All tests were conducted at normal indoor climate and apply up to an altitude of 2,000 m. If there are any
deviations, the reduction factors are to be factored in according to the applicable standards. Test voltage:
Dielectric withstanding voltage × 0.75 Operating voltage: Dielectric withstanding voltage × 0.75 × 0.33
ATTENTION:
With certain applications, the safety requirements for electrical devices are very strict in terms of operating volt-
age. In such cases, the operating voltage is defined according to the clearance and creepage distances between
parts which could be touched.
When selecting such a connector, please contact us and let us know the safety standard which the product must meet.
-80
0.01
1.00
10.00
Frequency in GHz
Test voltage: Dielectric withstanding voltage × 0.75
Operating voltage: Dielectric withstanding voltage × 0.75 × 0.33
Electromagnetic compatibility ꢀ EMCꢁ concerns more than just devices and electronic circuits. In the age of networks
and data communication, connecting elements such as cables and connectors are also very important. Interference
signals penetrating the connector from outside corrupt data signals and can cause significant system malfunctions.
This can be reliably avoided with high-grade shielding for the cables and connectors. In order to give our customers
certainty when using ODU MINI-SNAP connectors, we’ve had a size 3 connector measured by an accredited EMC labora-
tory to determine its EMC quality. Since the sizes 0, 1 and 2 are identical to this connector in structure, just propor-
tionally reduced in size, the values for shielding attenuation are the same.
The measurement was conducted according to the injection or parallel wire method pursuant to VG 95214-11:2002.
The connector pair is connected to the receiver of a network analyzer on one end, while the other end receives an ad-
justed termination resistor. The injection wire is attached as closely as possible along the connector pair. A flat cable
is usually used here, since an optimum adjustment can be achieved by attaching more or fewer wires. High-frequency
signals in the 10 kHz to 3 GHz range are now fed in through the injection wire. The network analyzer measures the
energy irradiated through the connector plug housing and into the connector, providing a shielding attenuation factor
as the logarithmic performance ratio AT in dB. The important thing with this method is that all supply lines ꢀ especially
the ones to the connector pairꢁ must be very well shielded so that no interference signals can penetrate the meas-
urement system and corrupt the measured values. This provides the shielding attenuation in dB as a curve over the
logarithmically applied frequency.
Nꢁꢀꢊꢋꢅꢌ ꢄꢂꢄꢍꢎꢏꢁꢅ
Users frequently demand a shielding attenuation better
than ꢃ 55 dB ꢀ based on a requirement of Deutsche Postꢁ.
It is clear that our connector meets this requirement over
Aꢀꢀꢁꢂꢃꢄꢀꢁꢅ ꢆꢇ ꢈꢉ
the entire measurement range.
ꢐꢋꢊꢁꢅ ꢑꢒꢍꢓꢀꢀꢁꢅ Tꢁꢅꢔꢓꢂꢄꢀꢓꢋꢂ ꢓꢔꢒꢁꢈꢄꢂꢕꢁ
Iꢂꢈꢃꢕꢀꢓꢖꢁ ꢊꢓꢅꢁ
Cꢋꢃꢒꢍꢁꢅ
Tꢁꢅꢔꢓꢂꢄꢀꢓꢋꢂ ꢓꢔꢒꢁꢈꢄꢂꢕꢁ
Cꢋꢃꢒꢍꢁꢅ
Tꢄꢒꢁ
Oꢗꢘꢁꢕꢀ ꢃꢂꢈꢁꢅ ꢀꢁꢑꢀ
168
169
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