It is a 1N4148 Surface Mount Zener Diode. For 1N4148 Diode, the maximum current carrying capacity is 300mA it can withstand peaks up to 2A. The specialty of this diode is its fast recovery time of 8ns at a forward current of 10mA, hence this diode is used in places where fast switching is involved.

Package Includes:

30 x 1N4148 Surface Mount Zener Diode.