It is a SDT411 part. I can't recall the original manufacturer right now, I am not at my personal computer right now. I could post that info later after work. Regards, Carlos. On 28/06/07, Richard Seriani, Sr. wrote: > Carlos, > > Which particular BJT models are you looking for and from which manuafacturer > (if it matters to you)? > > Richard Seriani, Sr. > > ----- Original Message ----- > From: "Carlos Marcano" > To: "Microcontroller discussion list - Public." > Sent: Thursday, June 28, 2007 10:22 AM > Subject: Re: [EE] SPICE Modeling BJT's > > > > Hi, Richard. > > > > > >> Have you tried looking up the manufacturers websites for models? TI & > >> Philips are pretty good & I'm pretty sure Fairchild also has them. > > > > Yes, I have. The probloem is that I need some relative older and > > semi-obscure parts with less probability of obtaining models from the > > manufacturer (if they still are in the business!). > > > >> If you need to extract a model from a sample part, it gets a bit more > >> difficult. Pspice has a model generator, but it's only available for > >> diodes in the eval version I use. > > > > That is the quid. I am able to obtain the datasheets so I would like > > to build the models from them. The problem I am facing is that I can't > > find correspondence between some of the parameters from the datasheets > > and the models. > > > > By the way, I use LTSpice/SwitcherCAD from Linear Tech. > > > > > > > > It is an EXTREMELY good SPICE simulator. And it is freeware. > > > > Regards, > > > > Carlos. > > -- > > http://www.piclist.com PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist