We use the Motorola 2N3906 here without the leads formed, hope that helps.


Thomas DeSmit
EDA Librarian/Sr. Engineering Tech.
IFR Americas, INC.

The opinions expressed are my own, and do not necessarily reflect those of
my employer.

> -----Original Message-----
> From: TechNet E-Mail Forum. Jack Bryant <[log in to unmask]>
> [mailto:[log in to unmask]]
> Sent: Wednesday, November 11, 1998 3:00 AM
> To: [log in to unmask]
> Subject: [TN] Simple Component Source.
>
>
> Greetings TechNet,
>
> Reference #2N3906 Transistor. (TO-92 package)
>
> One of my customers has spec'd in this 2N3906 Transistor produced
> by Rohm which has a lead span of .100" between the leads. (The
> parts are preformed with shoulders.) However, the foot print on
> the bare board is for a TO-92 with .050" lead span and Rohm tells
> my purchasing dept. this part is not available with a .050" span
> (straight leads). I have not been able to locate a second source
> to offer my customer with the correct lead span for optimum
> manufacturability. I would appreciate any suggestions from the
> TechNet forum. Changing the foot print on the bare board would be
> very costly to my customer because the assembly is qualified and
> registered through various agencies.  Making this change to the
> art work has been added to a list of changes to be considered by
> the customer the next time the bare board is revised but the last
> upgrade occurred in 1982 and the customer is quite happy with its
> performance to date. "If it ain't broke ..." so to speak. This
> seems like such a simple problem to correct through procurement
> but my purchasing person has not be successful so I'm asking the
> TechNet forum for suggestions. You may contact me direct at
> [log in to unmask] Thank you in advance for all your help.
>
> jwb
>

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