1 4

1N4731 Zener Diode (Pack of 2)

SKU: R5G4B586KS
The 1N4731 Zener Diode is a high-performance voltage regulation diode designed to provide a stable 4.3V Zener voltage for a wide range of electronic applications. Featuring a 1-Watt power dissipation rating, this diode is ideal for voltage regulation, reference voltage generation, and protection against voltage surges. When operated in reverse bias, it maintains a consistent voltage across its terminals once...
Rs. 6.00
Rs. 10.00 Rs. 6.00
Save Rs. 4
Sold out
Tax included. Shipping calculated at checkout.
Guaranteed safe & secure checkout

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Part Number: 1N4731
Zener Voltage (Vz): 4.3V
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

1N4731.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 1N4731 Zener Diode is a high-performance voltage regulation diode designed to provide a stable 4.3V Zener voltage for a wide range of electronic applications. Featuring a 1-Watt power dissipation rating, this diode is ideal for voltage regulation, reference voltage generation, and protection against voltage surges. When operated in reverse bias, it maintains a consistent voltage across its terminals once the Zener breakdown voltage is reached.

Packaged in the industry-standard DO-41 axial-lead package, the 1N4731 offers excellent reliability, easy installation, and long service life. It is commonly used in power supplies, embedded systems, communication equipment, industrial controls, and general-purpose electronic circuits requiring stable voltage regulation.

Key Features

  • Stable 4.3V Zener breakdown voltage
  • 1W power dissipation capability
  • Excellent voltage regulation characteristics
  • Reliable overvoltage and surge protection
  • Standard DO-41 through-hole package
  • Durable construction for long-term operation
  • Easy PCB mounting and soldering
  • Suitable for commercial, industrial, and hobby projects

Applications

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