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1N4738 Zener Diode (Pack of 2)

SKU: CNHBXJ36YZ
The 1N4738 Zener Diode is a reliable voltage regulation diode designed to provide a stable 8.2V Zener voltage for electronic circuits. With a 1-Watt power dissipation rating, it is ideal for voltage stabilization, reference voltage generation, and protection against voltage spikes and surges. When operated in reverse bias mode, the diode maintains a nearly constant voltage across its terminals, ensuring...
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Specifications

Specifications:

Part Number: 1N4738
Zener Voltage (Vz): 8.2V
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

1N4738.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 1N4738 Zener Diode is a reliable voltage regulation diode designed to provide a stable 8.2V Zener voltage for electronic circuits. With a 1-Watt power dissipation rating, it is ideal for voltage stabilization, reference voltage generation, and protection against voltage spikes and surges. When operated in reverse bias mode, the diode maintains a nearly constant voltage across its terminals, ensuring consistent and dependable circuit performance.

Packaged in the industry-standard DO-41 axial-lead package, the 1N4738 offers excellent durability and easy through-hole mounting. Its robust construction and dependable electrical characteristics make it suitable for a wide range of applications, including power supplies, industrial electronics, communication systems, embedded devices, and educational projects.

Key Features

  • Stable 8.2V Zener breakdown voltage
  • 1W power dissipation capability
  • Excellent voltage regulation performance
  • Reliable overvoltage and surge protection
  • Standard DO-41 through-hole package
  • Durable and long-lasting construction
  • Easy PCB installation and soldering
  • Suitable for commercial, industrial, and hobbyist applications

Applications

  • Voltage regulation and stabilization circuits
  • Reference voltage generation
  • Power supply protection
  • Overvoltage suppression
  • Signal clipping and clamping circuits
  • Microcontroller and embedded system projects
  • Consumer electronics and industrial control systems