FAQ
Q.
What is the switching frequency of the CSS Series (CSS65/CSS65A/CSS150CSS500)?
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A. The CSS65 has a switching frequency of 63kHz.
The CSS65A has a variable frequency of between 48kHz and 68kHz at full load 115V-230VAC input.
The CSS150 has a variable switching frequency depending on load. (Figure 1)
The CSS500 has a switching frequency of 90 to 100kHz.

Figure 1

Figure 1