The 1N5951B TR is a zener diode manufactured by Central Semiconductor Corp. It is a through-hole component with a tolerance of ±5%. The maximum forward voltage (Vf) at 200mA is 1.5V. The reverse leakage current at 91.2V is 1μA. The zener voltage (Vz) is 120V, and the maximum impedance (Zzt) is 380 Ohms. The DO-41 package has a maximum power dissipation of 1.5W. This discrete semiconductor product is active and has a medium popularity. The temperature range for operating is -65°C to 200°C (TJ).