Francois Robbertze wrote:
>I have a diagram for a home automation modem (TDA5051A) from Phillips
Semiconductors....
>
>  a.. In the diagram they are talking about a 47uH low Rs inductor. Can
someone help me with this term. I can buy a standard 47uH over the counter,
but don't know if this is some special component?
>

just a guess - low series resistance.
====================

>  a.. There are also a zener with the following code: SA5.0A. Is this a
5.0V Zener and what rating 0.5W or what?
>

I think SA5.0 is a "transzorb" type device - in effect, a very low
inductance zener,
made for spike suppression.
===================

Can you provde a link for the diagram you are citing?

- danm

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