1N4739A 9.1V Zener Diode (1W) – Voltage Regulator & Overvoltage Protection

Precision 9.1V Zener diode for voltage stabilization, surge protection, and reference circuits. Ideal for power supplies, Arduino projects, and automotive electronics.

 Key Features

✔ 9.1V Zener Voltage – Tight tolerance (±5%)
✔ 1W Power Dissipation – Robust for industrial use
✔ Axial Lead Package – Easy PCB or breadboard mounting
✔ Reliable Clamping – Protects sensitive components from voltage spikes

Technical Specifications

• Zener Voltage (Vz): 9.1V @ 20mA

• Power Rating (P): 1W

• Tolerance: ±5%

• Test Current (Izt): 20mA

• Max Reverse Leakage: 5µA

• Package: DO-41 (Axial Lead)

• Operating Temp: -65°C to +200°C

 Applications

✅ Voltage Regulation – Stabilize 12V/24V to 9.1V
✅ Overvoltage Protection – Shields microcontrollers (Arduino, ESP32)
✅ Reference Voltage – For analog circuits & sensors
✅ Power Supplies – Snubber circuits in AC/DC converters

Package Includes :

• 1 x 9.1 Volt Zener Doide 1N4739A 1W