<div dir="ltr"><div>Your unusual package looks like an SG2BC shown here: <a href="https://nz.rs-online.com/web/p/reflective-optical-sensors/4550975/">https://nz.rs-online.com/web/p/reflective-optical-sensors/4550975/</a></div><div><br></div><div>Cheers</div><div><br></div><div>Richard<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Dec 14, 2020 at 9:15 PM Mark Atherton <<a href="mailto:markaren1@xtra.co.nz">markaren1@xtra.co.nz</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Just in case someone recognises this part...<br>
<br>
4 pin, TO-92 type ceramic package<br>
<br>
Two chambers, each filled with epoxy<br>
<br>
Vertical slot to the left.<br>
<br>
It is possible that the part is an IR TX/RX, and the dark epoxy is only <br>
opaque at the visible spectrum.<br>
<br>
Never seen anything like this before.<br>
<br>
- Mark<br>
<br>
<br>
<br>
_______________________________________________<br>
Chchrobotics mailing list <a href="mailto:Chchrobotics@lists.ourshack.com" target="_blank">Chchrobotics@lists.ourshack.com</a><br>
<a href="https://lists.ourshack.com/mailman/listinfo/chchrobotics" rel="noreferrer" target="_blank">https://lists.ourshack.com/mailman/listinfo/chchrobotics</a><br>
Mail Archives: <a href="http://lists.ourshack.com/pipermail/chchrobotics/" rel="noreferrer" target="_blank">http://lists.ourshack.com/pipermail/chchrobotics/</a><br>
Meetings usually 3rd Monday each month. See <a href="http://kiwibots.org" rel="noreferrer" target="_blank">http://kiwibots.org</a> for venue, directions and dates.<br>
When replying, please edit your Subject line to reflect new subjects.</blockquote></div>