The SMPZ3939B-M3/84A from Vishay General Semiconductor - Diodes Division is a 39 V ±5% 500 mW zener diode for surface mounting, in a DO-220AA (SMP) package.
The SMPZ3939B-M3/85A from Vishay General Semiconductor - Diodes Division is a 39 V ±5% 500 mW zener diode for surface mounting, in a DO-220AA (SMP) package.
The SMPZ3939B-E3/84A from Vishay General Semiconductor - Diodes Division is a 39 V ±5% 500 mW zener diode for surface mounting, in a DO-220AA (SMP) package.
The SMPZ3939B-E3/85A from Vishay General Semiconductor - Diodes Division is a 39 V ±5% 500 mW zener diode for surface mounting, in a DO-220AA (SMP) package.