FeaturesTypical Applications

1. Amplifying gates

2. International standard cases

3. Capsule packages for double sided cooling

4. Hermetic metal cases with ceramic insulators

5. Efficient and energy-saving

6. Good stability

7. Strong controllability

8. Strong adaptability

1. High power industrial and power transmission

2. DC and AC motor control

3. Controlled rectifiers

4. Soft starters for induction motors

5. AC voltage regulating circuit

6. Temperature control system

7. Motor control system

8. Power control system

9. Welding machine control system
TypeVDRM/VRRM [V]IT[AV] [A]ITSM [kA]dv/dt [V/us]di/dt [A/us]IDRM/IRRM [mA]IGT [mA]VGT [V]IH [mA]VTM/ITM [V/A]Datasheet

Overview of Phase Control Thyristors

A phase control transistor is a particular type of semiconductor device that can control the conduction and turn off of current by controlling the phase. This type of device is widely used in power systems and automation control fields, such as motor control, switching power supplies, reactive power compensation, etc. Phase control transistors can operate in high-speed switching states, achieving high-precision power control, and have characteristics such as high reliability, low power consumption, and long lifespan. Therefore, it has been widely applied in many vital applications, such as reactive power compensation and active filtering in power systems. In addition, with the continuous development of power electronics technology, the application fields of phase control transistors are also constantly expanding, providing strong support for the intelligence and efficiency of modern industry and power systems.

The Characteristics of Phase Control Thyristors

1. Fast switching speed: The phase-controlled thyristor adopts advanced triggering technology, which can achieve fast switching at high speeds.

2. High reliability: The structural design of phase-controlled thyristors gives them higher reliability and the ability to operate stably under harsh environmental conditions.

3. Energy conservation and environmental protection: Phase-controlled thyristors have the characteristics of low loss and high efficiency, which can reduce energy consumption and meet the requirements of energy conservation and environmental protection.

4. Wide application range: Phase-controlled thyristors can be applied in various situations that require high voltage and high current control and switching, such as motor control, power conversion, new energy generation, and other fields.

5. Easy to integrate: Phase-controlled thyristors can be combined with other electronic components to achieve system optimization and control..

Application of Phase Control Thyristors

1. Motor control: Phase-controlled thyristors are widely used in the field of motor control, such as AC motors, DC motors, etc. By controlling the switching state of the phase-controlled thyristor, the speed and direction of the engine can be controlled.


(Motor control)

2. Power conversion: Phase-controlled thyristors have efficient power conversion capabilities and can be used as core components of uninterruptible power supplies, inverters, frequency converters, and other equipment. Through the switching operation of phase-controlled thyristors, the conversion between DC and AC can be achieved.


(Power conversion)

3. New energy generation: Phase-controlled thyristors are also widely used in the field of new energy generation, such as solar inverters, wind power generation control systems, etc. By controlling the switching state of the phase-controlled thyristor, functions such as maximum power tracking and grid connection control can be achieved.


(New energy generation)

4. Power grid regulation: Phase-controlled thyristors can be used for power grid regulation and control, such as reactive power compensation, active power filtering, etc. By controlling the conduction and turn-off of phase-controlled thyristors, it is possible to regulate the voltage and current of the power grid.


(Power grid regulation)

5. Industrial automation: Phase-controlled thyristors are also widely used in the field of industrial automation, such as assembly line motor control, elevator control systems, etc. By controlling the switching status of phase-controlled thyristors, precise control and efficient operation of automated equipment can be achieved.


(Industrial automation)

Company Profile

PDDN Photoelectron Technology Co., Ltd.( is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverterstransformers, voltage regulators, distribution cabinets, thyristorsmodulesdiodesheaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality electronic devices or semiconductor products, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.


By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.



What is Phase Control Thyristors?

Re: Phase Control Thyristors, also known as thyristors, are semiconductor power electronic devices that can adjust the voltage and current of input AC power by controlling their conduction angle.


What are the characteristics of Phase Control Thyristors?

Re: Phase Control Thyristors have the characteristics of high voltage resistance, high current, low conduction impedance, and fast response and are widely used in various power control and regulation systems, such as dimmers, speed regulators, uninterruptible power supplies, etc.


What is the working principle of Phase Control Thyristors?

Re: Phase Control Thyristors is to control its conduction angle by controlling the voltage of its gate, thereby adjusting the voltage and current of the input AC power. When the gate voltage is zero, the thyristor is in the cut-off state. When the gate voltage reaches a specific value, the thyristor begins to conduct, and the magnitude of its conduction angle depends on the amplitude and width of the gate voltage.


How do you choose the appropriate Phase Control Thyristors?

Re: Choosing the appropriate Phase Control Thyristors requires consideration of its rated voltage, rated current, reverse peak voltage, forward voltage drop, trigger sensitivity, and other parameters. At the same time, it is necessary to choose suitable models and specifications according to the actual application needs.


How do you use and maintain Phase Control Thyristors correctly?

Re: When using Phase Control Thyristors, ensure that their operating voltage and current do not exceed their rated values and maintain appropriate heat dissipation conditions. At the same time, its appearance and performance should be regularly inspected, and any abnormalities and problems should be detected and dealt with in a timely manner to ensure its regular operation and extend its service life.


Opening Time

  • Sunday – Friday: 09:00am – 10:30pm
  • Saturday: 10:00am – 02:00pm

Contact Info.

  • Email:
  • Mobile: +86 18837951818

Contact Address

  • Tongrun photoelectron, 3rd Floor, Nanshan Science Park, Nanshan District, Shenzhen, Guangdong, China