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1N748 is a 3.9 Volt 400mW Zener diode that acts as a two-way switch means that it can conduct current in forward as well as reverse direction. It is a heavily doped diode and permits the reverse current when a specific voltage level is reached.
1N748 Features & Specification
- Nominal Zener Voltage (Vz): 3.6V
- Maximum Regulator Current (Izm): 0.095A
- Max. Reverse Leakage Current (Ir): 0.010mA
- Forward Voltage Drop (Vf): 1.5V
- Total Power Dissipation (Ptot): 400mW
You can download this datasheet for 1N748 3.9V 400mW Zener Diode from the link given below: