Q4X8E3

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Thyristors, commonly referred to as TRIACs, are a type of Solid State Relay (SSR) that use four layers of semiconductor material to control current in an electric circuit. They are used in a variety of applications, including motor control, load switching, and phase control. Q4X8E3 devices are a type of four layer TRIACs that are designed for improved stability and efficiency when used in motor control applications.

Q4X8E3 Application Field and Working Principle

The Q4X8E3 is well-suited for use in a variety of motor control applications, such as variable speed drives, stepper motors, and AC induction motors. Additionally, they are well-suited for phase control and load switching applications, such as dimmers, fans, and load switches.

At the most basic level, a TRIAC functions as a switch that is triggered by an electric signal. It consists of four layers of semiconductor material arranged in a "ladder" configuration. When the voltage across the two "legs" of the TRIAC reaches a certain threshold, the TRIAC begins to conduct, allowing an electric current to pass through.

The four layers of a Q4X8E3 TRIAC are formed from silicon, a semiconductor material that can be used to control electric current. The layers are arranged in a ladder fashion, with each layer connected to the other. The first layer is the "gate" layer, which receives the electric signal to trigger the TRIAC. The second and third layers are the positive and negative "main" layers, which handle the actual current flow. The fourth layer is called the "body" layer, which acts as a shield to protect the other layers.

When the electric signal is applied to the TRIAC, the current flows through the main layers. The magnitude of the current depends on the voltage across the two main layers. The greater the voltage, the greater the current. The body layer keeps the other layers insulated, preventing them from shorting out and ensuring the intended current flow.

The Q4X8E3 is designed for improved stability and efficiency when used in motor control applications. It features a robust design that can withstand high thermal and electrical stresses, as well as a proprietary three-term voltage control circuit for precise motor speed and current control. Additionally, the device is designed for fast switching times, reducing losses due to switching.

Overall, the Q4X8E3 is an excellent choice for motor control, load switching, and phase control applications. Its robust design and precise control circuitry make it a reliable and efficient choice.

The specific data is subject to PDF, and the above content is for reference