The Central Semiconductor Corp 050405-CMPZ5253B TR is a zener diode that comes in a SOT-23 package. It has a voltage-zener (Nom) of 25V and a maximum power dissipation of 350mW. The diode has a tolerance of ±5% and an impedance (Max) (Zzt) of 35 Ohm. It can operate in a temperature range of -65°C to 150°C. The voltage forward (Vf) is 900mV at 10mA and the current reverse leakage is 100nA at 19V. The supply and demand status is balanced.