Specifications:

Diode Type: Zener Diode
Part Number: 1N4728A
Zener Voltage (VZ): 3.3 V
Power Dissipation (PD): 1 W
Zener Test Current (IZT): 76 mA
Maximum Zener Current (IZM): 303 mA
Dynamic Impedance (ZZT): 10 Ω (Maximum)
Voltage Tolerance: ±5%
Package: DO-41
Operating Temperature: -65°C to +175°C

Package Contains:

1 Nos 1N4728A 3.3V 1W Zener Diode