Re: Recommend transistor?

From: Rich Grise (rich_at_example.net)
Date: 11/03/04 

Date: Wed, 03 Nov 2004 17:56:39 GMT

On Wed, 03 Nov 2004 11:25:52 +0000, Satan's Little Sister wrote:

> I need a PNP transistor for switching 5 A/20 V at audio frequencies or
> a bit higher. I've been through a dozen parametric searches and
> downloaded scores of datasheets - there are too many candidates with
> nearly identical characteristics, I can't try them all.
>
> How do you go about picking the right power transistor?

Maximize/minimize the "important" paramaters, then go for price and
availability.

> Anyone have a
> favorite with a low Vce(sat) and a DC gain >30?

http://www.onsemi.com/site/products/parametrics/0,4446,798,00.html

Cheers!
Rich

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