[chbot] Unusual package

[Richard Jones]

Your unusual package looks like an SG2BC shown here:
https://nz.rs-online.com/web/p/reflective-optical-sensors/4550975/

Cheers

Richard

On Mon, Dec 14, 2020 at 9:15 PM Mark Atherton <markaren1 at xtra.co.nz> wrote:

> Just in case someone recognises this part...
>
> 4 pin, TO-92 type ceramic package
>
> Two chambers, each filled with epoxy
>
> Vertical slot to the left.
>
> It is possible that the part is an IR TX/RX, and the dark epoxy is only
> opaque at the visible spectrum.
>
> Never seen anything like this before.
>
> - Mark
>
>
>
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