looking for tlp557 replacement or solution question for any genius of the master electronics of the web
 

hi genius man
hope you are fine. I have a problem with tlp557 it is present in a
board control the vibration rate of 4 special bars . the board feeding
the bars with upto 300v and ( 60 -300)hz using 2 n-chanel mosfet
(2sk793)&2 tlp557 I don't know what I can do with this problem

thank you for any help

yar