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LEC Semiconductor (Jiangsu Changhong Semiconductor)

LEC SemiconductorLEC Semiconductor (Jiangsu Changhong Semiconductor) is a semiconductor manufacturer with a focus on discrete semiconductors. The company specializes in the production of diodes and rectifiers. LEC initially started as a manufacturer of rectifier diodes but has since expanded its product range to include a variety of other discrete semiconductors. Jiangsu Changhong Semiconductor is a prominent semiconductor manufacturing company based in China.


  • Power Semiconductor Devices

    : This includes a range of devices such as MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors), IGBTs (Insulated Gate Bipolar Transistors), diodes, and other power management components. These devices are essential for controlling and converting electrical power in various applications.
  • Rectifier Diodes:

    These are semiconductor devices that allow current to flow in one direction only. They are commonly used in power supply applications and rectification circuits.

  • Zener Diodes:

    These are specialized diodes designed to operate in the reverse breakdown region. They are used for voltage regulation and protection against voltage spikes.

  • Transient Voltage Suppression (TVS) Diodes:

    These diodes are designed to limit transient voltage spikes to protect sensitive electronics from damage.

  • Schottky Diodes:

    These are characterized by their low forward voltage drop and fast switching capabilities. They are often used in high-frequency applications.

  • General Purpose Diodes:

    LEC produces a range of general-purpose diodes for various applications.


The products from LEC Semiconductor find applications in various industries and electronic devices, including:

  • Power supplies
  • Automotive electronics
  • Consumer electronics
  • Industrial equipment
  • LED lighting
  • Telecommunications

Sales and Distribution:

LEC Semiconductor products are distributed globally through a network of authorized distributors. Customers can access their products through various channels, ensuring availability in different regions.