The BZX84B18_R1_00001 is a Zener diode manufactured by Panjit. It has a 7 inch metal-film package and a maximum power dissipation of 3kW. It uses the SOT-23 package and is designed for Zener voltage regulation. This device has an ZSM04-QI10 marking code and is suitable for Zener Snap-Mount (ZSM) applications. The device offers 10V of Zener voltage and has a maximum variation tolerance of 10%. It also features a low VF characteristic and a small package size. The BZX84B18_R1_00001 is designed to be used in an array of applications, including voltage regulation, switching regulation, surge voltage protection, and over-voltage protection.