>No the various Pinouts of the SOT-23 are unfortunately not obsolete. I wish
>they were. Sure they are all 3 pin devices, but they keep playing musical
>chairs. Always check the data sheets.
>
>Joe

Oh yeah, what about SOT-23-5?  It has 5 pins.
Motorola gets the credit for originally inventing this one before a new official 
footprint name was created...

_____________
Brian Guralnick


  ----- Original Message ----- 
  From: Joe Sapienza 
  To: Protel EDA Forum 
  Sent: Thursday, July 15, 2004 11:04 PM
  Subject: Re: [PEDA] SOT-23 pinout


  Ian,

  ----- Original Message ----- 
  From: "Ian Wilson" <[EMAIL PROTECTED]>
  To: "Protel EDA Forum" <[EMAIL PROTECTED]>
  Sent: Thursday, July 15, 2004 10:32 PM
  Subject: Re: [PEDA] SOT-23 pinout


  > On 12:03 PM 16/07/2004, Mira said:
  > >Dennis,
  > >
  > >The pin numbering can only be 1 2 3.
  >
  > Mira,
  > In Protel, pin numbers do not have to be numbers, they can be letters.  So
  > you can use E,B,C for numbers if you want. If you have very commonly used
  > parts making a matching set of Sch and footprints with matching pin
  numbers
  > (using letters for both if that is better for you) makes good sense. One
  > less thing to check.  The only downside to this is that you then have
  > multiple footprints to manage if you ever decided to change you SOT-23
  layout.
  >
  >   The pin names
  > >might be 1 2 3 or E B C.
  > >I haven't seen transistors with different pinout but
  >
  > There sure are/were transistors, in SOT23, with different pinouts.  I have
  > not seen them recently but you used to be able to buy reversed pinout
  > versions of common transistors from Philips.  May well be obsolete now.
  >
  > Ian
  >
  >
  >




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