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Vintage Synth Repair

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Re: [vintagesynthrepair] Re: Simmons SDE

2012-05-07 by jammie

78xx series are all right to earth its the 79xx series that are not
they have to be insulated
but you can get fully plastic packages that dont need insulating
from heat sink
----- Original Message -----
Sent: Monday, May 07, 2012 1:33 PM
Subject: RE: [vintagesynthrepair] Re: Simmons SDE

Hi, I'm pretty sure 78xx pos regulators have pin 2, the tab, grounded. In-gnd-out. The 79xx neg regulators have output on the tab, iirc. Datasheets easy to find, national.com, etc.
Hugh

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