According to plcs.net,
"In summary, a transistor is fast, switches a small current, has a long lifetime and works with dc only. Whereas a relay is slow, can switch a large current, has a shorter lifetime and works with ac or dc."
What do you think? Do you agree? Does this apply to solid-state relays as well? Is there a group of situations in which either of them could be used? Any comments?
"In summary, a transistor is fast, switches a small current, has a long lifetime and works with dc only. Whereas a relay is slow, can switch a large current, has a shorter lifetime and works with ac or dc."
What do you think? Do you agree? Does this apply to solid-state relays as well? Is there a group of situations in which either of them could be used? Any comments?