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1N4730 Zener Diode (Pack of 2)

SKU: 3MBY8CKMSF
The 1N4730 Zener Diode is a dependable voltage regulation diode designed to provide a stable 3.9V Zener voltage in electronic circuits. With a 1-Watt power dissipation rating, it is widely used for voltage stabilization, reference voltage generation, and circuit protection against voltage spikes. Operating in the reverse breakdown region, the diode maintains a nearly constant voltage across its terminals, ensuring...
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Specifications

Specifications:

Part Number: 1N4730
Zener Voltage (Vz): 3.9V
Power Dissipation: 1W
Package Type: DO-41
Mounting Type: Through-Hole
Polarity: Cathode marked with a band
Operating Mode: Reverse Breakdown (Zener Region)

Additional Resources

1N4730.PDF

FAQ

1. What is a Zener diode?

A Zener diode is a special type of semiconductor diode designed to operate in reverse bias mode and maintain a stable voltage across its terminals, making it useful for voltage regulation and protection circuits.

2. What are the common applications of a Zener diode?

Zener diodes are commonly used for voltage regulation, voltage reference generation, overvoltage protection, clipping circuits, and power supply stabilization in electronic devices.

3. How does a Zener diode regulate voltage?

When the reverse voltage applied to a Zener diode reaches its Zener breakdown voltage, the diode conducts current while maintaining a nearly constant voltage across itself, helping regulate the output voltage.

4. Can a Zener diode be used for circuit protection?

Yes, Zener diodes are widely used to protect sensitive electronic components from voltage spikes and overvoltage conditions by limiting the voltage to a safe level.

5. What should be considered when selecting a Zener diode?

Important factors include the Zener voltage rating, power dissipation capability, package type, tolerance, and the current requirements of the intended application.

View full product details

The 1N4730 Zener Diode is a dependable voltage regulation diode designed to provide a stable 3.9V Zener voltage in electronic circuits. With a 1-Watt power dissipation rating, it is widely used for voltage stabilization, reference voltage generation, and circuit protection against voltage spikes. Operating in the reverse breakdown region, the diode maintains a nearly constant voltage across its terminals, ensuring reliable circuit performance.

Encased in a durable DO-41 axial-lead package, the 1N4730 is suitable for through-hole PCB mounting and offers excellent reliability for both commercial and hobbyist electronic applications. Its robust construction and stable electrical characteristics make it ideal for power supplies, embedded systems, communication devices, and various electronic projects.

Key Features

  • Stable 3.9V Zener breakdown voltage
  • 1W power dissipation capability
  • Excellent voltage regulation performance
  • Reliable protection against voltage fluctuations
  • Standard DO-41 axial package
  • Through-hole mounting for easy installation
  • Long operational life and high reliability
  • Suitable for general-purpose electronic circuits

Applications

  • Voltage regulation and stabilization
  • Reference voltage circuits
  • Power supply protection
  • Overvoltage and surge suppression
  • Signal clipping and clamping circuits
  • Microcontroller and embedded system designs
  • Consumer electronics and industrial equipment