source:Industry News Popular:adapter release time:2021-06-21 10:04:33 Article author:sznbone
For high-voltage output, the RFI screen can be installed between the output rectifier and their radiator. If the secondary voltage is low, such as 12V or lower, the secondary transformer RFI shielding and rectifier shielding are not required.
By placing an output filter choke on the loop to protect the diode heat sink from RF voltage, the need for electrostatic shielding by the output rectifier diode can be eliminated. Typical examples are shown in Figure 1 and Figure 2.
If the heat sinks of the diodes and transistors are completely isolated from the case, as they are mounted on a PCB, electrostatic shielding is not necessarily required on these components.
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