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Re: [TCML] SISG success
Hi Finn,
I think the 275 is the highest voltage you can apply without danger of
it turning on
and 350 is the highest the voltage could expect to see prior to
turn-on.
But this "English as she is written" by them is not clear. ;^)
Matt D.
-----Original Message-----
From: Finn Hammer <f-h@xxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Tue, 14 Oct 2008 10:31 am
Subject: Re: [TCML] SISG success
Terry, Jim, Bert, Bart, all
I had a look at the new ones, and stumbeled on 2 specifications that I
just cannot get to make sence together. To me they are contradictory,
and perhaps the best reason why it`s not _me_ that is going to call
Littlefuse.
On this datasheet:
http://www.littelfuse.com/part/P3100AD.html ;
which describes a possible substitute to the old ones, there are 2
voltages described:
Vdrm1 voltage 275V
"Peak Off-state Voltage
Maximum voltage that can be applied while maintaining off state."
Then there is:
Vs@Vdrm1 voltage 350V
"Switching Voltage
Maximum voltage prior to switching to on state."
The way I read it, both voltages describe the voltage which determines
the point where the device turns on.
How can thay be so different?
Cheers, Finn Hammer
piranha skrev:
Hi,
The 300V K3000F1 SIDACs are no longer available from=2
0Littlefuse. >
However they are directly replaced now by their new product lines for >
such things. They also now have much higher voltages and such >
available. Somebody needs to call Littlefuse's engineering reps up >
and get all of that figured out. "I" don't have time, but there are >
much newer and better SIDACs now that need to be looked into!
Best Regards,
Terry
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