The 1N5365B is a Zener Diode with cathode band polarity.
The 1N5333B series Surmetic™ Voltage Regulator Zener Diode with tight limits and better operating characteristics that reflect the superior capabilities of silicon-oxide passivated junctions. All this in an axial lead, transfer-moulded plastic package that offers protection in all common environmental conditions. All external surfaces are corrosion-resistant and leads are readily solderable.
**Zener Diodes 5W Surmetic, 1N5364 to 1N5388 Series, ON Semiconductor** A complete series of 5 Watt Zener diodes with tight limits and improved operating characteristics.