ข้อมูล Zener Diode

https://sites.google.com/site/newpedaleffect/zener-diode/zd1N47xx.png
https://sites.google.com/site/newpedaleffect/info/spec/zener1.GIF
https://sites.google.com/site/newpedaleffect/info/spec/zener_rd2.GIF

การดูขั้ว Diode และ LED

https://sites.google.com/site/newpedaleffect/info/spec/LED_pol_zps76bd9fd2%20%281%29.PNG
https://sites.google.com/site/newpedaleffect/info/spec/diode_pol.jpg