[BULK] - [Amps] Semtech?

[Steve Katz]

> Hi all:
> 
> Got my 813 parts rig.
> The PS has two " Semtech SA 7477 " rectifiers.
> Black metal tube with pix of diode on it...top metal cap.
> 
> Might anyone have data on it?
> 
> //"SA" means "special assembly," and it's an arbitrary number issued in
> sequence; so, SA7477 is #7477 in a long line of special assemblies.  There
> is no published data for special assemblies, since they are manufactured
> to order for OEMs.
> 
> How to check them?
> 
> Should I use them ...or replace with something else?
> 
> //Based on your description, sounds like a rectifier tube replacement.
> Does it have a tube base (pins) on one end, and an anode cap on the other?
> If so, it's a tube replacement.  Normally these silicon rectifier
> replacements don't go bad (or at least not with "age"), so unless there
> was a fault down line (like a short circuit), they're probably okay.
> -WB2WIK/6
> 
> Tnx,
> Steve
> WA2TAK
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