Peak Electronic Design Ltd 💙🇪🇺 on Twitter: "@KangaSales The OA91 is actually my favourite germanium diode (built my very first crystal set with one). I must have one somewhere here at Peaky
Mullard CV7130 OA91 Germanium Signal Diode DO-7 Case 1 2 5 10 25 Pieces MBL1-05 Electrical Equipment & Supplies Business & Industrial webstartechnologiesweb