1N4148WS-7-F Diodes DIODE GEN PURP 75V 150MA SOD323


The 1N4148WS-7-F is a general-purpose switching diode produced by Diodes Incorporated. This diode is widely used in electronic circuits for various applications. Here is an overview of the 1N4148WS-7-F diode:


1N4148WS-7-F Diode Overview:

  • Manufacturer: Diodes Incorporated
  • Part Number: 1N4148WS-7-F
  • Type: General-Purpose Switching Diode
  • Package: SOD323 (also known as SC-76)
  • Voltage Rating: 75V
  • Current Rating: 150mA
  • DataSheet

    1N4148WS-7-F PDF

Key Features:

  • General-Purpose Diode: Suitable for various small-signal applications, switching, and rectification tasks.
  • Voltage Rating: Capable of withstanding up to 75V in the reverse direction.
  • Current Rating: Rated for handling up to 150mA of continuous forward current.
  • Package Type: SOD323 is a small surface-mount package ideal for compact PCB designs.


The 1N4148WS-7-F diode finds applications in a wide range of electronic circuits, including:

  • Signal Demodulation: Extracting baseband signals from modulated carriers.
  • Switching Circuits: Used in high-speed switching applications.
  • Clipping and Clamping Circuits: Limiting signal amplitudes and protecting against overvoltage.
  • Rectification: Converting AC to DC in small-signal circuits.
  • Flyback Diode: Used in protecting switching elements from voltage spikes in inductive loads.

Working Principle:

  • The 1N4148WS-7-F diode operates as a standard silicon small-signal diode, allowing current flow in one direction and blocking it in the reverse direction.
  • It is known for its high switching speed and efficiency, making it suitable for various low-power applications.

Suggested Projects:

  • Voltage Clamp Circuits: Protecting sensitive components from overvoltage.
  • Oscillator Circuits: Controlling the oscillation frequencies.
  • Level Shifting Circuits: Shifting signal voltage levels.
  • Reverse Polarity Protection: Preventing damage due to reverse polarity connections.
  • Logic Circuits: Building logic gates and simple digital circuits.


  • Refer to the datasheet provided by Diodes Incorporated for detailed specifications, characteristics, and application guidelines specific to the 1N4148WS-7-F switching diode.
  • Ensure that the diode's voltage and current ratings meet the requirements of your circuit for optimal performance.

The 1N4148WS-7-F switching diode from Diodes Incorporated is a versatile component ideal for various small-signal applications, offering fast switching speeds, a 75V voltage rating, and a compact SOD323 package suitable for space-constrained designs.