The 1N4738A,113 is a 1 Watt Zener diode from Nexperia, designed to provide a stable reference voltage. This diode is commonly used in a wide range of electronic circuits for voltage regulation, voltage clipping, and overvoltage protection. Its robust construction and well-defined electrical characteristics make it a reliable choice for demanding applications.

Applications

• Voltage Regulation: Maintaining a stable voltage in power supplies and electronic circuits.
• Overvoltage Protection: Protecting sensitive components from voltage spikes.
• Voltage Clipping: Limiting voltage levels in signal processing circuits.
• Reference Voltage: Providing a stable reference voltage for measurement and control systems.
• Transient Voltage Suppression: Clamping transient voltages to protect downstream circuitry.

Features

• High Power Dissipation: 1 Watt power dissipation capability.
• Tight Voltage Tolerance: Precise Zener voltage for accurate regulation.
• Low Reverse Leakage Current: Minimizes power loss and improves efficiency.
• Glass Passivated Die Construction: Enhances reliability and stability.
• DO-41 Package: Industry-standard package for easy mounting and soldering.

Benefits

• Stable Voltage Regulation: Ensures consistent voltage output under varying load conditions.
• Reliable Overvoltage Protection: Protects sensitive components from damage due to voltage spikes.
• Improved Circuit Performance: Enhances the overall performance and stability of electronic circuits.
• Easy Integration: Simple to integrate into existing and new designs due to the standard DO-41 package.
• Cost-Effective Solution: Provides a reliable and cost-effective solution for voltage regulation and protection.

Additional Details

The 1N4738A,113 has a Zener voltage of approximately 8.2V. The exact voltage can vary slightly depending on the test current. It is crucial to consult the datasheet for precise electrical characteristics, including Zener voltage tolerance, dynamic impedance, and reverse leakage current. The operating and storage temperature ranges are also important considerations for ensuring reliable operation in various environments.

This diode is often used in series with a resistor to limit the current flowing through the diode and protect it from overheating. The resistor value should be chosen to ensure that the power dissipation of the diode does not exceed its maximum rating.