Hi! I wish I had a schematic or a better image, but, I was wondering if anyone has seen components like these (4 large white cylinders) before?
Any guess or help would be appreciated, thank you My initial guess would be they are inductors.

 

What is the PCB from?

 

The PCB is an image on a sales sheet for a product I am looking at - here is some of the overlay... I think I may have answered my own question by looking further into this. (The L on the board overlay tell me they must indeed be some type of coils)

 

They do appear to be inductors but knowing what the board is supposed to do would help confirm that.

 

The PCB is an image on a sales sheet for a product I am looking at - here is some of the overlay... I think I may have answered my own question by looking further into this. (The L on the board overlay tell me they must indeed be some type of coils)

What Yaakov is simply asking, if you simply told us what is the product it would tell us what to expect in the design of such as circuit.