all I know about these diodes is that they have
1 pA leakage current specification (at 480 volts)
This is evident from the mentioned document. that is found at :
http://www.osti.gov/bridge/purl.cover.jsp?purl=/238346-hwOu9l/webviewable/
----- Original Message -----
From: "Steve Katz" <stevek@jmr.com>
To: "Mike" <k4gmh@arrl.net>; <amps@contesting.com>
Sent: Wednesday, March 31, 2010 10:27 PM
Subject: Re: [Amps] Semtech SA1388?
> See below...
>
>
> De WB2WIK/6
>
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]
> On Behalf Of Mike
> Sent: Wednesday, March 31, 2010 1:19 PM
> To: amps@contesting.com
> Subject: [Amps] Semtech SA1388?
>
> Does anyone know what a Semtech "Slimpac" SA1388 rectifier is good for?
> Seems too big for a small signal diode, yet may not be big enough for
> power
> supply use. The case is ~2" long and 0.300" wide and has a schematic
> diode
> showing the anode/cathode ends. Also, the number "6824" is printed on
> the
> case following the diode schematic. Don't have a high pot tester to
> find
> out the breakdown voltage.
>
>>>"SA" means "Special Assembly" and these were not standard catalog
> products. Each one, from SA01 to SA10,000+, was a custom designed
> product for an OEM. There is no catalog of what the SA's mean. The
> number 6824 is a date code, 24th week of 1968. The "Slimpac" series are
> mostly high voltage rectifier assemblies rated 500mA continuous forward
> current; reverse voltage ratings could be almost anything, depending on
> the number of series junctions used. The "off the shelf" Slimpacs went
> from an SCH5000 (5kV PIV) to SCH25,000 (25kV PIV), but the higher
> voltage units were "longer" physically and of course contained many more
> diodes! Some "SAs" weren't even high voltage rectifiers, they could
> have been zener assemblies and some of these were used in Henry
> amplifiers as cathode bias zeners.
> -WB2WIK/6
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