Re: Kickback suppression in twin coils

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

Original poster: "Dr. Resonance by way of Terry Fritz <teslalist-at-qwest-dot-net>" <resonance-at-jvlnet-dot-com>


The three listed IR part numbers are as follows:

IRGS14C40L, IRGSL14C40L, and IRGB14C40L.

Part listed as an "ignition IGBT".

Dr. Resonance

Resonance Research Corporation
E11870 Shadylane Rd.
Baraboo   WI   53913

 > Could you check the number to see if it is correct? I certainly would be
 > very interested in such a part!
 >
 > I'd still be interested to know anyone has researched the kickback
 > effects in twin tesla coils.
 >
 > Oh, and BTW, I'd really be purchasing one of the transformers you've
 > been mentioning.
 >
 > Rick
 >
 >
 >
 > -----Original Message-----
 > From: Tesla list [mailto:tesla-at-pupman-dot-com]
 > Sent: Thursday, May 22, 2003 6:43 PM
 > To: tesla-at-pupman-dot-com
 > Subject: Re: Kickback suppression in twin coils
 >
 > Original poster: "Dr. Resonance by way of Terry Fritz
 > <teslalist-at-qwest-dot-net>" <resonance-at-jvlnet-dot-com>
 >
 >
 > International Rectifier has developed a special IC designed especially
 > to
 > drive ignition coils and other devices that present unique kickback
 > problems.
 >
 > Their new IC, designated IRGS143C40L incorporates special clamping
 > diodes
 > and is designed to operate / switch capacitive loads into inductive
 > coils.
 > It includes on-chip voltage clamps between both gate-emitter and also
 > gate-collector.
 >
 > It can dissipate an amazing 54 watt continuous (125 w. max) and can
 > operate
 > in the 15-20 Ampere range with heatsinks.  It's available in the
 > standard
 > TO-220AB package.
 >
 > It sounds perfect for your work and is much better than a standard 555
 > driver.  The 555 must be clamped external and the lead inductance can
 > cause
 > oscillator ring problems.
 >
 > You can  download the datasheet from their website.
 >
 > Dr. Resonance
 >
 > Resonance Research Corporation
 > E11870 Shadylane Rd.
 > Baraboo   WI   53913
 >   >
 >   >          I'm new to the list and I've got a question about running
 > twin
 >   > coils. I'm thinking primarily of driving ignition coils or flybacks,
 >
 >