Yes Brian Touch , I was limiting my response as I didn't want to open up a different can of worms
----- Original Message ----- From: "Brian Guralnick" <[EMAIL PROTECTED]> To: "Protel EDA Forum" <[EMAIL PROTECTED]> Sent: Saturday, July 17, 2004 5:08 PM Subject: Re: [PEDA] SOT-23 pinout >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 > > > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[EMAIL PROTECTED] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[EMAIL PROTECTED] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
