![I plugged in a micro USB at 20v to this poor guy and diode d10 popped. This is a small portable device and this is the charging circuit for the Li ion I plugged in a micro USB at 20v to this poor guy and diode d10 popped. This is a small portable device and this is the charging circuit for the Li ion](https://preview.redd.it/v2lqhrm0zsy71.jpg?width=640&crop=smart&auto=webp&s=0cc625fe8d6716657176408f629707d6e71382e3)
I plugged in a micro USB at 20v to this poor guy and diode d10 popped. This is a small portable device and this is the charging circuit for the Li ion
![Amazon.com: Quickbuying Led diodes diode KIT 26 Value 260pcs 1W 3.3V~39V Zener Diode Diodes Assortment Kit for Home/Office/Industry Electrical Equipment : Electronics Amazon.com: Quickbuying Led diodes diode KIT 26 Value 260pcs 1W 3.3V~39V Zener Diode Diodes Assortment Kit for Home/Office/Industry Electrical Equipment : Electronics](https://m.media-amazon.com/images/I/51Bvn43GrWL.jpg)
Amazon.com: Quickbuying Led diodes diode KIT 26 Value 260pcs 1W 3.3V~39V Zener Diode Diodes Assortment Kit for Home/Office/Industry Electrical Equipment : Electronics
![Dioda D10-200-03 200A 300V Dioda D10-200-03 200A 300V | MILEX diody [] : oferta firmy MILEX Wrocław (elektrotechnika, elektronika, automatyka, energoelektronika..., hurtownia elektrotechniczna Dioda D10-200-03 200A 300V Dioda D10-200-03 200A 300V | MILEX diody [] : oferta firmy MILEX Wrocław (elektrotechnika, elektronika, automatyka, energoelektronika..., hurtownia elektrotechniczna](http://milexele.com/images/dioda_D10-200.jpg)