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From: "Graham" <g8fzk@g8fzk.fsnet.co.uk>
To: <rsgb_lf_group@blacksheep.org>
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 Content preview:  Ah , that would explain it , I had the 5 digit as some form
    of batch number 60127 flags as 2N3055 ....... sort of to of been expected
    , in view of the application now to start digging in the attic .. [...] 
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Subject: Re: LF: Re: RCA  7844  RCA  7819  (7619 ?)  TO3  Power trans   ideas as to  equivalents  ?? 
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Ah , that would  explain  it , I had the  5 digit  as  some  form  of  =
batch  number  =20

60127  flags  as  2N3055 .......  sort  of  to of  been  expected   , in =
view of the  application =20

now to start digging  in the  attic ..

Tnx -Alan =20

73-G,=20


From: Alan Melia=20
Sent: Saturday, June 14, 2014 6:29 PM
To: rsgb_lf_group@blacksheep.org=20
Subject: LF: Re: RCA 7844 RCA 7819 (7619 ?) TO3 Power trans ideas as to =
equivalents ??=20


Those dont look like RCA part numbers.....more like date codes ...viz =
week 44 of 1978 =20
RCA power devices have 5 digit nos starting like 40xxx. I think I have a =
1980s data book here somewhere

Alan
G3NYK
  ----- Original Message -----=20
  From: Graham=20
  To: rsgb_lf_group@blacksheep.org=20
  Sent: Saturday, June 14, 2014 3:05 PM
  Subject: LF: RCA 7844 RCA 7819 (7619 ?) TO3 Power trans ideas as to =
equivalents ??=20


  RCA  Power transistors  TO3   case=20

  RCA  7844  RCA  7819  (7619 ?)

  Uses  as series regulators  in psu =20

  Not seeing  listed  / showing  in web searches  , anyone  any  ideas =
as to  equivalents  ??=20

  Tnx- Graham,
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3Dtext/html;charset=3Diso-8859-1 =
http-equiv=3DContent-Type>
<META name=3DGENERATOR content=3D"MSHTML 8.00.6001.23588">
<STYLE></STYLE>
</HEAD>
<BODY style=3D"PADDING-LEFT: 10px; PADDING-RIGHT: 10px; PADDING-TOP: =
15px"=20
id=3DMailContainerBody leftMargin=3D0 topMargin=3D0 bgColor=3D#ffffff=20
CanvasTabStop=3D"true" name=3D"Compose message area">
<DIV>Ah , that would&nbsp; explain&nbsp; it , I had the&nbsp; 5 =
digit&nbsp;=20
as&nbsp; some&nbsp; form&nbsp; of&nbsp; batch&nbsp; number&nbsp;&nbsp; =
</DIV>
<DIV>&nbsp;</DIV>
<DIV>60127&nbsp; flags&nbsp; as&nbsp; 2N3055 .......&nbsp; sort&nbsp; =
of&nbsp;=20
to of&nbsp; been&nbsp; expected&nbsp;&nbsp; , in view of the&nbsp;=20
application&nbsp; </DIV>
<DIV>&nbsp;</DIV>
<DIV>now to start digging&nbsp; in the&nbsp; attic ..</DIV>
<DIV>&nbsp;</DIV>
<DIV>Tnx -Alan&nbsp; </DIV>
<DIV>&nbsp;</DIV>
<DIV>73-G, </DIV>
<DIV style=3D"FONT: 10pt Tahoma">
<DIV><BR></DIV>
<DIV style=3D"BACKGROUND: #f5f5f5">
<DIV style=3D"font-color: black"><B>From:</B> <A =
title=3Dalan.melia@btinternet.com=20
href=3D"mailto:alan.melia@btinternet.com">Alan Melia</A> </DIV>
<DIV><B>Sent:</B> Saturday, June 14, 2014 6:29 PM</DIV>
<DIV><B>To:</B> <A title=3Drsgb_lf_group@blacksheep.org=20
href=3D"mailto:rsgb_lf_group@blacksheep.org">rsgb_lf_group@blacksheep.org=
</A>=20
</DIV>
<DIV><B>Subject:</B> LF: Re: RCA 7844 RCA 7819 (7619 ?) TO3 Power trans =
ideas as=20
to equivalents ?? </DIV></DIV></DIV>
<DIV><BR></DIV>
<DIV><FONT size=3D2 face=3DArial>Those dont look like RCA part =
numbers.....more like=20
date codes ...viz week 44 of 1978&nbsp; </FONT></DIV>
<DIV><FONT size=3D2 face=3DArial>RCA power devices have 5 digit nos =
starting like=20
40xxx. I think I have a 1980s data book here somewhere</FONT></DIV>
<DIV><FONT size=3D2 face=3DArial></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2 face=3DArial>Alan</FONT></DIV>
<DIV><FONT size=3D2 face=3DArial>G3NYK</FONT></DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; =
PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"=20
dir=3Dltr>
  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV=20
  style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: =
black"><B>From:</B>=20
  <A title=3Dg8fzk@g8fzk.fsnet.co.uk=20
  href=3D"mailto:g8fzk@g8fzk.fsnet.co.uk">Graham</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Drsgb_lf_group@blacksheep.org=20
  =
href=3D"mailto:rsgb_lf_group@blacksheep.org">rsgb_lf_group@blacksheep.org=
</A>=20
  </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Saturday, June 14, 2014 =
3:05=20
  PM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> LF: RCA 7844 RCA 7819 =
(7619 ?)=20
  TO3 Power trans ideas as to equivalents ?? </DIV>
  <DIV><BR></DIV>
  <DIV>RCA&nbsp; Power transistors&nbsp; TO3&nbsp;&nbsp; case </DIV>
  <DIV>&nbsp;</DIV>
  <DIV>RCA&nbsp; 7844&nbsp; RCA&nbsp; 7819&nbsp; (7619 ?)</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>Uses&nbsp; as series regulators&nbsp; in psu&nbsp; </DIV>
  <DIV>&nbsp;</DIV>
  <DIV>Not seeing&nbsp; listed&nbsp; / showing&nbsp; in web =
searches&nbsp; ,=20
  anyone&nbsp; any&nbsp; ideas as to&nbsp; equivalents&nbsp; =
??&nbsp;</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>Tnx- Graham,</DIV></BLOCKQUOTE></BODY></HTML>

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