I have the YST-SW216. I am in the USA. I have 32vdc on the RY1 relay. So it looks like if I can find the correct IC I might be able to replace it.
My chip is STK404-070. Below that number down near the pins I have an N on the left side and D6E06 on the right side. I have found some STK404-070 chips from Canada. These chips have C inplace of N and a different lot number D9A26. Can I use the Canadian chip to replace my USA chip?
Thank you in advance for your help on this matter.
