ITEM NAME:200pcs 1N4728~1N4737 Glass Zener Regulator Diode Kit 5V 5W 1A 13cm*6.4cm Descriptio n Specification:.: 1N4728 1N4729 1N4730 1N4731 1N4732 1N4733 1N4734 1N4735 1N4736 1N4737. Product list :200pcs 1N4728~1N4737 glass diode. 200pcs 1N4728~1N4737 Glass Diode 5V 5W 1A Zener Diode. Type: zener diode. Power current: 1A.