BAS16: Overview,Specifications,Main uses,Features,application fields,working principle and alternative models

BAS16 Overview:

The BAS16 is a common high-speed switching diode used in a variety of electronic circuits for signal rectification, switching, and protection purposes. Below is an overview of the BAS16 diode, covering specifications, main uses, features, application fields, working principle, and alternative models:



  • Type: High-Speed Switching Diode
  • Package: SOT-23
  • Maximum Reverse Voltage: Typically 85V
  • Forward Continuous Current: Approximately 225mA
  • Forward Voltage Drop: Low, around 0.715V
  • Reverse Recovery Time: Fast, in the order of nanoseconds
  • Operating Temperature Range: -65°C to 150°C

Main Uses:

  • Signal Demodulation: Commonly used in radio-frequency (RF) signal demodulation circuits.
  • High-Speed Switching: Ideal for high-speed switching applications due to its fast recovery time.
  • Voltage Clipping: Utilized for voltage clamping and transient voltage suppression.
  • Logic Circuits: Found in logic gates and digital circuits for signal processing.


  • Fast Switching Speed: Enables rapid switching between conducting and non-conducting states.
  • Low Forward Voltage Drop: Reduces power losses and improves efficiency.
  • High Reverse Breakdown Voltage: Provides good reverse voltage protection.
  • Compact SOT-23 Package: Space-efficient and suitable for surface-mount applications.
  • Good High-Frequency Performance: Suitable for high-frequency applications.
  • DataSheet BAS16 PDF

Application Fields:

  • RF Circuits: Used in radio-frequency circuits for signal processing.
  • Digital Electronics: Integrated into digital logic circuits for switching applications.
  • Voltage Regulation: Employed in voltage regulation and transient voltage suppression circuits.
  • Precision Signal Processing: Found in precision signal processing applications.

Working Principle:

  • The BAS16 is a semiconductor diode that allows current to flow in one direction with a low forward voltage drop when forward biased.
  • When reverse biased, it blocks current flow efficiently with a fast recovery time to minimize reverse recovery losses.
  • It is designed for high-speed applications where fast switching and low power dissipation are required.

Alternative Models:

  • 1N4148: Another popular general-purpose switching diode with similar characteristics.
  • BAT54: Dual series switching diode package suitable for various applications.
  • BAV99: High-speed dual diode with different electrical characteristics compared to BAS16.


  • The BAS16 diode is a versatile component commonly used in signal processing, high-speed switching, and voltage clamping applications.
  • Careful consideration of the diode's specifications and characteristics is essential for its optimal use in electronic circuits.

The BAS16 high-speed switching diode is a fundamental component in electronics, known for its fast switching speed, low forward voltage drop, and efficient performance in high-speed applications. Whether for signal rectification, high-speed switching, or voltage regulation, the BAS16 diode serves as a reliable and effective solution in a variety of electronic circuits.

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