Re: Large IGBT need help

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jim Mitchell" <electrontube-at-sbcglobal-dot-net> 

The gate charge varies with voltage.  Go look at the datasheet and calculate
the gate capacitance.
Use the equation C = Q/V where C = capacitance [farads]
                           Q = charge [coulombs]
                           V = potential [volts]

Regards - Jim Mitchell

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, April 13, 2004 9:46 AM
Subject: Re: Large IGBT need help


 > Original poster: Fucian-at-aol-dot-com
 >
 > In a message dated 4/12/2004 9:06:06 PM Eastern Standard Time,
 > tesla-at-pupman-dot-com writes:
 > Even after that,  why do you want to use these.  Save them for something
 > else!
 >
 > Regards - Jim Mitchell
 >
 > Hmm what else could i use them for besides a tesla coil?Isnt the issue
with
 > these IGBTs the factt hat they need alot of current to turn on?What if i
 > give them the cutrrent?How much do they need?
 >
 > Matt
 >
 >