The PZ1D4V2H is a Zener Diode with an SOD-123 RoHS packaging manufactured by Prisemi. The diode is a surface mount diode optimized for low power, low-voltage requirements, and provides a low forward voltage drop. It features high stability, low noise, and low temperature coefficients. The device has a maximum power dissipation of 250mW, working voltage of 4.7V, and avalanche rating of 5mA. It is ESD protected (1KV HBM). The diode is lead (Pb) free, RoHS compliant, and has a 100% matte-tin finish. It is suitable for automotive electronics, consumer electronics, and power supplies.