Interfacing Triac with PIC

[Niki0602]

I'm interfacing Triac with PIC. i have designed the circuit. Is Snubber circuit necessary for it? I'm using BTA12600A 12A triac. If yes how a snubber should be designed?? thanks in advance.......

 

[ckshivaram]

check this link... same discussion is going on.... you can too follow this thread
https://www.edaboard.com/threads/219109/#post931704

---------- Post added at 12:03 ---------- Previous post was at 12:01 ----------

these tell why snubber circuit is needed
**broken link removed**
https://www.engr.colostate.edu/ECE562/98lectures/l22.pdf

RC snubber circuit design for TRIACs
https://www.st.com/stonline/products/literature/an/6785.pdf