[TCML] 555 timer

[bunnykiller]

i figured it and came to the conclusion that the good'ole 3055 was easy 
to use...  all you needed was a limiting resistor, a pot, and a 
voltage/current and you have it!
try doing that with an IGBT..  and MOTS ( not the trannie type) static 
charges are always fun to deal with when handling them, but I must admit 
they have gotten better at designing them to avoid the problem.

just a thought... ya know, Ive never seen a linear pass bank made with 
Mots, any one here seen such a monster?


Scot D



Dave Halliday wrote:

>NOT SO FAST MR. BUNNYKILLER!!!!!!!
>
>I am sitting on a veritable stash of them here in the DaveCave(tm)
>
>And the really strange thing is that there are so many better devices out
>there but these older designs keep surfacing and calling for a 2N3055
>
>Go figure...
>
>Cheers!
>Dave
>
>  
>
>>-----Original Message-----
>>From: tesla-bounces at pupman.com 
>>[mailto:tesla-bounces at pupman.com] On Behalf Of bunnykiller
>>Sent: Tuesday, March 18, 2008 11:53 AM
>>To: Tesla Coil Mailing List
>>Subject: Re: [TCML] 555 timer
>>
>>3055 transistors??   I have about 150 of them ...  :)  yes I 
>>have them ALL
>>and my wife thinks Im a packrat... 
>>
>>Scot D
>>
>>
>>McCauley, Daniel H wrote:
>>
>>    
>>
>>>Don't worry.  You can't get a 3055 anywhere.
>>>
>>>Thats real old timing there.
>>>
>>>
>>>
>>>Thanks guys, I guess I'll order another or first try the radio shack
>>>down the road (the local one stopped selling most 
>>>      
>>>
>>components, and only
>>    
>>
>>>sells devices now, you cannot even get a 3055 transistor, or 
>>>      
>>>
>>a rectifier
>>    
>>
>>>diode!  It is sickening.)
>>>
>>>Scott Bogard.
>>>
>>>McCauley, Daniel H wrote:
>>> 
>>>
>>>      
>>>
>>>>555 timers come in a variety of different packages.
>>>>You are thinking of the DIP-8 through hole package.
>>>>What they sent you was a surface mount version.
>>>>Radio Shack still carries 555 timers.
>>>>
>>>>Dan
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>Hey Guys,
>>>>    This is off topic I know, so please respond off list.  
>>>>        
>>>>
>>I ordered 
>>    
>>
>>>>a
>>>>555 timer for a small electronics project, and when it came it is 
>>>>extremely tiny.  Less than a half a centimeter at it's 
>>>>        
>>>>
>>widest point.  
>>    
>>
>>>>I seem to remember seeing these in Radio Shack (back when 
>>>>        
>>>>
>>they still 
>>    
>>
>>>>sold
>>>>components) and they were bigger, about a centimeter long, is there 
>>>>some reason mine is tiny.  I only care because it is going 
>>>>        
>>>>
>>to be very 
>>    
>>
>>>>difficult to solder and mount to anything.  Thanks guys.
>>>>
>>>>Scott Bogard.
>>>>
>>>>
>>>>_________________________________________________________________
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