The DiodesZetex makes surface mount Zener diode, a flat lead package design for low profile and high power dissipation. It has a planar die construction with ultra-small surface mount package. It is totally Lead, halogen and Antimony Free. The PD3Z284C5V1Q is suitable for automotive applications requiring specific change control. Forward voltage rating is 0.9 V and Forward current rating 250mA Operating temperature range is from -65°C to +150°C moisture sensitivity of level 1 per J-STD-020 Terminals are Matte Tin annealed over Copper and package type is SOD123F