From: Julian Green[SMTP:julian-at-kbss.bt.co.uk] Sent: Tuesday, July 29, 1997 3:34 AM To: tesla-at-pupman-dot-com Subject: Re: ignition coil >How do you switch the SCR off , it can't be switched off with 0V in the gate. You get a back EMF from the coil and this turns the SCR off by reverse biasing it. Julian Green