BAV99-7-F: Overview, Features, and Applications

The BAV99-7-F is a dual diode, common cathode switching diode, manufactured by Diodes Incorporated. This SMD (Surface Mount Diode) is designed to be used in various electronic applications. Here's an overview of its features and common applications:



  • Type: Dual Common Cathode High-Speed Switching Diode
  • Package: SOT-23-3
  • Manufacturer: Diodes Incorporated


  1. Dual Diodes in a Single Package: The BAV99-7-F contains two diodes within one package, providing a space-saving and compact circuit design option.

  2. Low Forward Voltage Drop: With a relatively low forward voltage drop, it is efficient for rectification and signal switching applications.

  3. Fast Switching Speed: Known for its high-speed switching capabilities, making it applicable to high-frequency circuits.

  4. Low Leakage Current: It is characterized by low reverse current, making it appropriate for applications where low leakage is critical.

  5. Surface Mount Package: The SOT-23-3 package offers easy integration onto PCBs, making it convenient for modern electronics manufacturing processes.


  1. Signal Demodulation: Used in demodulation circuits to extract modulation from a carrier wave in radio frequency circuits.

  2. Signal Clipping and Protection: Commonly employed in clipping or protection circuits, especially in applications where protection against voltage spikes or reverse voltage is required.

  3. Logic Gates and Circuits: Due to its dual diode nature, the BAV99-7-F can be utilized in simple logic gates and circuitry for creating OR and AND logic functions.

  4. Voltage Multipliers: It can be found in voltage doubler and multiplier circuits, generating higher DC voltages from AC sources.

  5. Switching Applications: Its fast switching characteristics make it useful for switching and general-purpose rectification in a variety of applications.

  6. Oscillator Circuits: Its fast switching speed makes it suitable for use in oscillator circuits, especially in high-frequency or high-speed applications.

  7. Power Management: Used in rectification circuits, the BAV99-7-F assists in converting alternating current (AC) to direct current (DC) in power supplies and various low-power devices.


The BAV99-7-F, with its fast switching speed and low forward voltage drop, is a versatile component commonly used in various electronics applications, including signal processing, rectification, and protection.

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