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Hi Andre,
Here is a very useful article for calculating the snubber needed. https://e2e.ti.com/blogs_/b/powerhouse/archive/2016/05/05/calculate-an-r-c-snubber-in-seven-steps
Thanks,
Ryan
Hi Andre,
You can select the capacitor with the Equation:
and select the clamp resistor by
There are 2 papers for your reference.
1. Liu Shunlin, Cao Xiaosheng and Ma Yibo, Design and Analysis on Feedback Energy Loss of RCD
Clamping Flyback Converters, Proceedings of the CSEE, 2010-33
Best Regards,
Linda Ye