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The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi Graham it gets a bit fraught cos some numbers are House codes fot particular customers but 3055 souds sensible....yes 60xxx is also a standard format Alan ----- Original Message ----- From: Graham To: rsgb_lf_group@blacksheep.org Sent: Saturday, June 14, 2014 9:18 PM Subject: Re: LF: Re: RCA 7844 RCA 7819 (7619 ?) TO3 Power trans ideas as to equivalents ?? [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [65.20.0.121 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 07fee8d4a4e8ea80934a0e0aaa44e788 Subject: Re: LF: Re: RCA 7844 RCA 7819 (7619 ?) TO3 Power trans ideas as to equivalents ?? Content-Type: multipart/alternative; boundary="----=_NextPart_000_0107_01CF8817.C71B6380" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.1 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_40_50, HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false This is a multi-part message in MIME format. ------=_NextPart_000_0107_01CF8817.C71B6380 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Graham it gets a bit fraught cos some numbers are House codes fot = particular customers but 3055 souds sensible....yes 60xxx is also a = standard format =20 Alan ----- Original Message -----=20 From: Graham=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, June 14, 2014 9:18 PM Subject: Re: LF: Re: RCA 7844 RCA 7819 (7619 ?) TO3 Power trans ideas = as to equivalents ??=20 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, ------=_NextPart_000_0107_01CF8817.C71B6380 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Graham it gets a bit fraught = cos some numbers are House codes fot particular customers = but 3055=20 souds sensible....yes 60xxx is also a standard format =  
 
Alan
----- Original Message -----
From:=20 Graham
Sent: Saturday, June 14, 2014 = 9:18=20 PM
Subject: Re: LF: Re: RCA 7844 = RCA 7819=20 (7619 ?) TO3 Power trans ideas as to equivalents ??

Ah , that would  explain  it , I had the  5 = digit =20 as  some  form  of  batch  number   =
 
60127  flags  as  2N3055 .......  sort  = of =20 to of  been  expected   , in view of the =20 application 
 
now to start digging  in the  attic ..
 
Tnx -Alan 
 
73-G,

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

Those dont look like RCA part = numbers.....more=20 like date codes ...viz week 44 of 1978 
RCA power devices have 5 digit nos = starting like=20 40xxx. I think I have a 1980s data book here somewhere
 
Alan
G3NYK
----- Original Message -----
From:=20 Graham
To: rsgb_lf_group@blacksheep.org= =20
Sent: Saturday, June 14, 2014 = 3:05=20 PM
Subject: LF: RCA 7844 RCA = 7819 (7619 ?)=20 TO3 Power trans ideas as to equivalents ??

RCA  Power transistors  TO3   case
 
RCA  7844  RCA  7819  (7619 ?)
 
Uses  as series regulators  in psu 
 
Not seeing  listed  / showing  in web = searches  ,=20 anyone  any  ideas as to  equivalents  = ?? 
 
Tnx- Graham,
------=_NextPart_000_0107_01CF8817.C71B6380--