The 1N5944B TR is a through-hole Zener diode manufactured by Central Semiconductor Corp. It has a maximum forward voltage (Vf) of 1.5V at 200mA and a reverse leakage current of 1μA at 47.1V. The Zener voltage (Vz) is 62V, and the maximum impedance (Zzt) is 100 Ohm. The diode is packaged in a DO-41 case and can dissipate up to 1.5W of power. It is suitable for use in discrete semiconductor products and has a medium popularity in the market.