DER237
questions about DER237 1.5A 12V
1. about the tranformer in Page 12-13 .
WD2 : 4T-4*31AWG (Page12 ) or 4T-3*31AWG (Page 13) ??
2. In the page 5. There are some components open. What are they for ? It seems not a complete SCH . Do you have ?
Comments
HI , what;s the problems ?
about the winding, Should be 3 wires in parallel
About the missing components in the PCB layout, the PCB is used in more hat one design. So the empty footpints are not for DER237
Do you have the details of that design? I want to know . Thank you .
Which design you like to know?
You mean the other desigs used with the same PCB?
Yes, the others designs use with the same PCB
I do not know what is the other design. I can investigate and find out for you but can I ask you? why do you like to see it? what is the purpose? I do not see how this information can help you in your design issues. I am asking you becasue it may take a while for me to find out. So I need to justify this time with my boss
Thank you

Yes I see the document and I understand what is what you mean. Let me investigate about these issues and I will back to you as soon as I get the information you are asking for