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Descriptions
CA BS 200N - Load Impedance for BS200Nx Electronic Switches
EMTEST CA BS 200N is directly connected to the output of the BS 200Nx. The switching parameters of the BS 200Nx are measured with the load connected.
The switching behavior of the BS 200N series semiconductor switches shall be verified on 0.6ohm to 50uH load impedance.
Additionally, EMTEST CA BS 200N includes a number of shunt resistors Rs such as 10ohm, 20ohm, 40ohm and 120ohm being required as per standards used during the emission measurement of transients as per ISO 7637-2:2011 and the former ISO 7637-2:2004. -
Highlights
- Verification load for electronic switch 0.6ohm / 50uH as per ISO 7637-2:2004
- Max. supply voltage 28VDC
- Max. load current 50A
- Additional shunt resistors 10ohm, 20ohm, 40ohm, 120ohm built-in for emission measurement
- Over-temperature protected -
Benefits
Verification of the BS 200N series switching characteristic
As per standard ISO 7637-2 the electronic switch BS 200Nx is requested to meet a rise/fall time specification of 300ns +/-20% into a defined load of 0.6ohm in series with 50uH.
EMTEST CA BS 200N is set up in direct proximity to the BS 200Nx with short leads to verify the switching time characteristic. An oscilloscope of sufficient bandwidth is required to properly evaluate the rise/fall time parameters.
Set-up of CA BS 200N and BS 200Nx for verification
In order to properly verify the rise/fall time characteristic of the electronic switch (e.g. BS 200N and BS 200N80) it is important to maintain the connection leads as short as possible. EMTEST recommend a maximum length of the connection leads between the CA BS 200N verification load and the BS 200Nx electronic switch of 0.5m.
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Applications
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ISO 7637-1:1990
ISO 7637-2:2004
ISO 7637-2:2011
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