MBR0520LT1G: Overview,Specifications,Main uses,Features,application fields,working principle and alternative models


MBR0520LT1G Overview:

The MBR0520LT1G is a Schottky Barrier Diode (SBD) manufactured by ON Semiconductor. Schottky diodes are widely used in electronics for their fast switching capabilities and low forward voltage drop. Below is an overview of the MBR0520LT1G, including specifications, main uses, features, application fields, working principle, and alternative models:



  • Manufacturer: ON Semiconductor
  • Type: Schottky Barrier Diode (SBD)
  • Package: SOD-123
  • Forward Voltage Drop: Typically around 0.35V
  • Reverse Voltage: Typically 20V
  • Forward Current: Typically 0.5A (500mA)
  • Reverse Recovery Time: Very fast due to the nature of Schottky diodes
  • DataSheet

    MBR0520LT1G PDF

Main Uses:

  • Reverse Polarity Protection: Commonly used in circuits to protect against reverse voltage conditions.
  • Rectification: Used in rectifier circuits for low voltage, high-frequency applications.
  • Switching: Employed in high-speed switching applications due to their fast recovery times.
  • Voltage Clamping: Used for voltage clamping and transient suppression applications.


  • Low Forward Voltage Drop: Results in lower power dissipation and better efficiency.
  • Fast Switching Speed: Ideal for high-frequency and switching applications.
  • Low Reverse Leakage Current: Offers improved performance in reverse bias conditions.
  • Compact Package: SOD-123 package is small and suitable for space-constrained designs.
  • High Temperature Rating: Operational over a wide temperature range.

Application Fields:

  • Power Supplies: Used in low-voltage DC power supply circuits.
  • Battery-Powered Devices: Ideal for portable electronics and battery management systems.
  • Voltage Protection Circuits: Helps protect sensitive components from voltage spikes.
  • Signal Clipping: Used for signal clipping and amplitude limitation in audio circuits.

Working Principle:

  • The Schottky Barrier Diode operates on the principle of a metal-semiconductor junction which has a low forward voltage drop compared to standard diodes.
  • When forward biased, the diode conducts current with very fast switching characteristics due to the absence of minority carriers.
  • Reverse recovery time is minimal, making it suitable for high-speed rectification and switching applications.

Alternative Models:

  • SS14: Similar Schottky diode with a slightly higher voltage rating.
  • BAT54: Dual Schottky diode in a different package configuration.
  • 1N5819: Schottky diode with higher current handling capabilities.

The MBR0520LT1G Schottky Barrier Diode from ON Semiconductor is a popular choice for applications requiring fast switching, low forward voltage drop, and efficient rectification. It finds common usage in various electronic circuits for tasks such as reverse polarity protection, rectification, voltage clamping, and signal processing. Understanding its specifications and features can help in selecting the appropriate diode for a specific application.