MOTM

And, to help you recognize them on schematics, the arrow points
away from the base on NPN (I remember it as Not-Pointed-iN)

Current flow is opposite the arrow direction.

Stooge Larry

----- Original Message ----- 
From: Paul Schreiber <synth1@...>
To: <motm@egroups.com>
Sent: Thursday, December 07, 2000 2:42 PM
Subject: Re: [motm] NPN/PNP?


NPN = Negative-Positive-Negative
PNP = Positive-Negative-Positive

Transistors are 3 layers of silicon with added ions (called 'doping
impurities').

Paul S.

----- Original Message -----
From: <perpetual@...>
To: <motm@egroups.com>
Sent: Thursday, December 07, 2000 2:24 PM
Subject: [motm] NPN/PNP?


> sorry, i know this has probably been covered but an archives search
> didn't turn up any messages.
>
> what is referred to by NPN/PNP?
>
> thanks,
> alex
>
>
>
>
>