The IN4728A133 is a Zener diode manufactured by Nexperia USA Inc. It is designed to provide a stable reference voltage in electronic circuits. Zener diodes are widely used for voltage regulation, overvoltage protection, and voltage clipping applications.

Applications

• Voltage regulation: Providing a stable voltage source for sensitive electronic components.
• Overvoltage protection: Protecting circuits from voltage spikes and surges.
• Voltage clipping: Limiting the voltage to a specific level.
• Reference voltage in power supplies: Used as a reference voltage in regulated power supplies.
• Wave shaping: Shaping waveforms in signal processing circuits.

Features

• Zener diode: Provides a stable reverse breakdown voltage.
• Precise Zener voltage: Offers a well-defined and accurate Zener voltage.
• Low reverse leakage current: Minimizes leakage current when the diode is reverse biased below the Zener voltage.
• High surge current capability: Can withstand high surge currents without damage.
• Small package size: Enables compact designs and easy integration into existing circuits.

Benefits

• Stable voltage reference: Provides a reliable voltage reference for various applications.
• Circuit protection: Protects circuits from overvoltage conditions.
• Easy to use: Simple to incorporate into existing circuits.
• Cost-effective: Provides a cost-effective solution for voltage regulation and protection.
• Wide operating temperature range: Suitable for use in diverse environments.

Additional Details

The IN4728A133 has a nominal Zener voltage of 3.3V. The device typically comes in a DO-41 package. The power dissipation rating is specified in the datasheet and must be considered in the design to prevent overheating. The Zener voltage is temperature-dependent, and this should be taken into account in precision applications. Careful selection of the Zener diode is crucial to match the application's voltage requirements.