The BZX84C43 is a Zener diode manufactured by EIC Semiconductor and comes in a 3.5mm x 4.3mm SOT-23 package. It is designed to provide a regulated voltage level in small electronic circuits. The device is rated at 15 V and has a maximum power rating of 200 mW. The package includes 3 independent diodes which are electrically isolated from each other. The device is designed to protect circuits from over-voltages, and can be used in various applications such as voltage regulation, voltage clamping, surge suppression, motor control, and voltage shifting. This device is RoHS compliant and is suitable for use in a wide variety of applications.