<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Alfa's clone, the AS3046, is widely available. They do make some other matched transistor pairs, but not uA726 unfortunately.<div class=""><br class=""></div><div class=""><a href="https://alfatriode.lv/eng/sc/application.php" class="">https://alfatriode.lv/eng/sc/application.php</a><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 8 May 2026, at 12:49, Todd Sines via Synth-diy <synth-diy@synth-diy.org> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="content-type" content="text/html; charset=utf-8" class=""><div style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Great!<div class="">You’ll still need a CA3046, not as hard to find as a ua726, but not as ubiquitous as a TL072 :)<div class=""><br class=""></div><div class=""><br class=""></div><div class="">Todd<br id="lineBreakAtBeginningOfMessage" class=""><div class=""><br class=""><blockquote type="cite" class=""><div class="">On May 8, 2026, at 1:51 AM, el macaco <elmacaco@hotmail.com> wrote:</div><br class="Apple-interchange-newline"><div class="">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" class="">
<div class="">
<div style="font-family: Aptos, -apple-system, HelveticaNeue, sans-serif;font-size: 12pt" class="">
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
Thanks Todd!</div>
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
<br class="">
</div>
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
That will do for the 2 that I want to have as spares!</div>
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
<br class="">
</div>
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
Glad the SH-2 circuit ties the necessary pins together to be able to use this circuit.</div>
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
<br class="">
</div>
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
Adam, I know, I’ve been here since ‘99! I actually had 2 spares I got in 2000, but sadly they were lost in a move.</div>
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
<br class="">
</div>
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
We always find a way!</div>
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
<br class="">
</div>
<div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr" class="">
Ed</div>
</div>
<div id="ms-outlook-mobile-body-separator-line" style="font-family: Aptos, -apple-system, HelveticaNeue, sans-serif;font-size: 12pt" dir="auto" class="">
<br class="">
</div>
<div id="ms-outlook-mobile-signature" style="font-family: Aptos, -apple-system, HelveticaNeue, sans-serif;font-size: 12pt" class="">
Get <a href="https://aka.ms/o0ukef" class="">Outlook for iOS</a></div>
<hr style="display:inline-block;width:98%" tabindex="-1" class="">
<div id="divRplyFwdMsg" dir="ltr" class=""><font face="Calibri, sans-serif" style="font-size:11pt" class=""><b class="">From:</b> Todd Sines <sines_list@scale.la><br class="">
<b class="">Sent:</b> Thursday, May 7, 2026 7:21:06 PM<br class="">
<b class="">To:</b> Adam (synthDIY) <synthdiy@adambaby.com><br class="">
<b class="">Cc:</b> el macaco <elmacaco@hotmail.com>; Synth-diy Mailing List <synth-diy@synth-diy.org><br class="">
<b class="">Subject:</b> Re: [sdiy] New TI 5532</font>
<div class=""> </div>
</div>
<div style="line-break:after-white-space" class="">There’s this ( have a few for some B208Rs I made)
<div class=""><a href="https://www.portabellabz.be/pa726.html" class="">https://www.portabellabz.be/pa726.html</a>
<div class=""><br class="">
</div>
<div class="">I bought these, but have been too chicken to try them</div>
<a href="https://www.utsource.net/itm/p/327411.html" class="">https://www.utsource.net/itm/p/327411.html</a></div>
<div class=""><br class="">
</div>
<div class="">(As you can see here)<br class="">
<div class=""><a href="https://www.modwiggler.com/forum/viewtopic.php?t=194541" class="">https://www.modwiggler.com/forum/viewtopic.php?t=194541</a><br id="x_lineBreakAtBeginningOfMessage" class="">
<div class=""><br class="">
</div>
<div class="">More discussion, featuring Mike Peake, who should know what’s up</div>
<div class=""><a href="https://modwiggler.com/forum/viewtopic.php?t=150851" class="">https://modwiggler.com/forum/viewtopic.php?t=150851</a></div>
<div class=""><a href="https://www.modwiggler.com/forum/viewtopic.php?t=76091" class="">https://www.modwiggler.com/forum/viewtopic.php?t=76091</a></div>
<div class=""><br class="">
</div>
<div class="">
<blockquote type="cite" class="">
<div class="">On May 7, 2026, at 7:48 PM, Adam (synthDIY) <synthdiy@adambaby.com> wrote:</div>
<br class="x_Apple-interchange-newline">
<div class="">
<div style="line-break:after-white-space" class=""><br id="x_lineBreakAtBeginningOfMessage" class="">
<div class=""><br class="">
<blockquote type="cite" class="">
<div class="">On 8 May 2026, at 03:53, el macaco via Synth-diy <synth-diy@synth-diy.org> wrote:</div>
<br class="x_Apple-interchange-newline">
<div class="">
<div style="font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; font-family:Aptos,-apple-system,HelveticaNeue,sans-serif; font-size:12pt" class="">
<div dir="ltr" style="font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Arial,Helvetica,sans-serif; font-size:12pt" class="">
As a side question, what’s a good replacement for the uA726?</div>
</div>
</div>
</blockquote>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class="">People have been asking that for decades!!!!</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class="">A</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<br class="">
<blockquote type="cite" class="">
<div class="">
<div style="font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; font-family:Aptos,-apple-system,HelveticaNeue,sans-serif; font-size:12pt" class="">
<div dir="ltr" style="font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Arial,Helvetica,sans-serif; font-size:12pt" class="">
<br class="">
</div>
<div dir="ltr" style="font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Arial,Helvetica,sans-serif; font-size:12pt" class="">
Want a couple just in case.</div>
<div dir="ltr" style="font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Arial,Helvetica,sans-serif; font-size:12pt" class="">
<br class="">
</div>
<div dir="ltr" style="font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Arial,Helvetica,sans-serif; font-size:12pt" class="">
Thanks,</div>
<div dir="ltr" style="font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Arial,Helvetica,sans-serif; font-size:12pt" class="">
<br class="">
</div>
<div dir="ltr" style="font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Arial,Helvetica,sans-serif; font-size:12pt" class="">
Ed</div>
</div>
<div id="x_ms-outlook-mobile-body-separator-line" dir="auto" style="font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; font-family:Aptos,-apple-system,HelveticaNeue,sans-serif; font-size:12pt" class="">
<br class="">
</div>
<div id="x_ms-outlook-mobile-signature" style="font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; font-family:Aptos,-apple-system,HelveticaNeue,sans-serif; font-size:12pt" class="">
Get<span class="x_Apple-converted-space"> </span><a href="https://aka.ms/o0ukef" class="">Outlook for iOS</a></div>
<hr tabindex="-1" style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; orphans:auto; text-align:start; text-indent:0px; text-transform:none; white-space:normal; widows:auto; word-spacing:0px; text-decoration:none; display:inline-block; width:1144.625px" class="">
<span style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important" class=""></span>
<div id="x_divRplyFwdMsg" dir="ltr" style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none" class="">
<font face="Calibri, sans-serif" style="font-size:11pt" class=""><b class="">From:</b><span class="x_Apple-converted-space"> </span>Synth-diy <synth-diy-bounces@synth-diy.org> on behalf of Mike Bryant <mbryant@futurehorizons.com><br class="">
<b class="">Sent:</b><span class="x_Apple-converted-space"> </span>Thursday, May 7, 2026 11:27:00 AM<br class="">
<b class="">To:</b><span class="x_Apple-converted-space"> </span>Sean Ellis <tensiontype@hotmail.com><br class="">
<b class="">Cc:</b><span class="x_Apple-converted-space"> </span>Synth-diy Mailing List <synth-diy@synth-diy.org><br class="">
<b class="">Subject:</b><span class="x_Apple-converted-space"> </span>Re: [sdiy] New TI 5532</font>
<div class=""> </div>
</div>
<div dir="ltr" style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none" class="">
<div class="x_x_elementToProof" style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt">
Would have been better if they'd just said use the OPA1678 which is moreorless drop-in for SMT versions.</div>
<div class="x_x_elementToProof" style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt">
<br class="">
</div>
<div class="x_x_elementToProof" style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt">
There are several Chinese suppliers of real 5532 clones in DIP-8 if you need them. The ones from COSINE are definitely drop in if you're worried. Haven't tried the other suppliers.</div>
<div class="x_x_elementToProof" style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt">
<br class="">
</div>
<div id="x_x_appendonsend" class=""></div>
<div style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt" class="">
<br class="">
</div>
<hr style="display:inline-block; width:1144.625px" class="">
<div id="x_x_divRplyFwdMsg" class="">
<div style="direction:ltr; font-family:Calibri,sans-serif; font-size:11pt" class=""><b class="">From:</b> Synth-diy <synth-diy-bounces@synth-diy.org> on behalf of Sean Ellis via Synth-diy <synth-diy@synth-diy.org><br class="">
<b class="">Sent:</b> 07 May 2026 14:36<br class="">
<b class="">Cc:</b> Synth-diy Mailing List <synth-diy@synth-diy.org><br class="">
<b class="">Subject:</b> [sdiy] New TI 5532</div>
<div style="direction:ltr" class=""> </div>
</div>
<div style="direction:ltr; font-family:Calibri,Helvetica,sans-serif; font-size:12pt" class="">
Just saw this thread, not sure if it was shared here.<span class="x_Apple-converted-space"> </span><a href="https://groupdiy.com/threads/the-new-ti-5532-chips-are-not-5532s-weve-used-for-decades.93707/" id="OWA66da2fb0-4c57-984a-35ca-fd9061e578f4" class="x_x_OWAAutoLink" data-auth="NotApplicable">https://groupdiy.com/threads/the-new-ti-5532-chips-are-not-5532s-weve-used-for-decades.93707/</a></div>
</div>
<span style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important" class="">________________________________________________________</span><br style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none" class="">
<span style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important" class="">This
is the Synth-diy mailing list</span><br style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none" class="">
<span style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important" class="">Submit
email to: Synth-diy@synth-diy.org</span><br style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none" class="">
<span style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important" class="">View
archive at: https://synth-diy.org/pipermail/synth-diy/</span><br style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none" class="">
<span style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important" class="">Check
your settings at: https://synth-diy.org/mailman/listinfo/synth-diy</span><br style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none" class="">
<span style="font-family:Helvetica; font-size:13px; font-style:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important" class="">Selling
or trading? Use marketplace@synth-diy.org</span></div>
</blockquote>
</div>
<br class="">
</div>
________________________________________________________<br class="">
This is the Synth-diy mailing list<br class="">
Submit email to: Synth-diy@synth-diy.org<br class="">
View archive at: https://synth-diy.org/pipermail/synth-diy/<br class="">
Check your settings at: https://synth-diy.org/mailman/listinfo/synth-diy<br class="">
Selling or trading? Use marketplace@synth-diy.org<br class="">
</div>
</blockquote>
</div>
<br class="">
</div>
</div>
</div>
</div>
</div></blockquote></div><br class=""></div></div></div>________________________________________________________<br class="">This is the Synth-diy mailing list<br class="">Submit email to: Synth-diy@synth-diy.org<br class="">View archive at: https://synth-diy.org/pipermail/synth-diy/<br class="">Check your settings at: https://synth-diy.org/mailman/listinfo/synth-diy<br class="">Selling or trading? Use marketplace@synth-diy.org<br class=""></div></blockquote></div><br class=""></div></body></html>