Electronic Equipments Gate Turn Off Thyristor Stud Diode Thyristor SW20HHR320

Overview of Fast Turn-Off Thyristor (GTO)

A Fast Turn-Off Thyristor, commonly referred to as a Gate Turn-Off Thyristor (GTO), is a type of semiconductor device that can be turned on and off by its gate signal. Unlike standard thyristors, which can only be turned on by a gate signal and turned off by reducing the current flowing through them below a certain threshold (holding current), GTOs can be actively turned off by applying a negative gate pulse. This capability allows for more precise control over the device’s switching behavior.
GTOs are used in high-power applications such as motor drives, power supplies, and inverters, where they facilitate rapid and controlled switching of large currents. They operate at higher currents and voltages than most other types of transistors, making them suitable for heavy-duty industrial and commercial applications.

Features of Fast Turn-Off Thyristor (GTO)

Active Turn-Off Capability: Can be turned off by applying a negative gate pulse, providing better control over switching.
High Power Handling: Capable of managing high levels of power, with ratings often exceeding those of conventional thyristors.
Rapid Switching: Designed for fast turn-on and turn-off times, enabling efficient operation in power conversion circuits.
Large Current Capacity: Able to handle significant currents, making them ideal for applications requiring substantial power delivery.
High Voltage Tolerance: Can withstand high voltages, contributing to their reliability in demanding environments.
Low On-State Voltage Drop: Minimizes power loss when conducting, improving overall efficiency.
Gate Drive Requirements: Requires careful design of gate drive circuits to ensure reliable turn-on and turn-off operations.
Complex Control Circuits: Due to the need for both positive and negative gate pulses, control circuitry can be more complex compared to simpler thyristors.
Snubber Circuits: Often require snubber circuits to protect against voltage spikes during switching.
Thermal Management: Efficient heat dissipation is crucial due to the high power levels involved.

(Electronic Equipments Gate Turn Off Thyristor Stud Diode Thyristor SW20HHR320)

Specification of Electronic Equipments Gate Turn Off Thyristor Stud Diode Thyristor SW20HHR320

The SW20HHR320 is a high-performance Gateway Switch off (GTO) Thyristor Stud Diode developed for robust industrial and power electronic devices applications. This tool combines the reliability of a stud-mounted diode with the controllability of a GTO thyristor, making it possible for accurate switching in high-voltage circuits. Key specs include an optimum repetitive peak off-state voltage (VDRM) of 3200V and a maximum reverse blocking voltage (VRRM) of 3200V, guaranteeing suitability for high-voltage systems. The typical on-state present (IT(AV)) is ranked at 20A under common cooling problems, with a non-repetitive height surge existing (ITSM) of 200A for short-duration overloads. The forward voltage decrease (VTM) is commonly 1.8 V at the rated present, minimizing conduction losses.

The GTO performance permits the device to be turned off by means of a negative entrance pulse, with an entrance trigger existing (IGT) of 150mA and a gateway trigger voltage (VGT) of 2.5 V. Turn-off time (tq) is important for changing performance and is defined at 15µs, making certain fast transition to the blocking state. The stud-mounted design features a sturdy copper construction with a 12mm stud size for safe and secure mechanical add-on and effective warm dissipation. Operating temperature level arrays from -40 ° C to +125 ° C, ensuring efficiency security in severe settings.

Thermal resistance (junction-to-stud) is 0.8 ° C/W, allowing reliable warmth management when coupled with ideal heatsinks. The device abides by worldwide criteria, including RoHS and IEC, ensuring ecological and safety and security adherence. Applications include motor drives, power inverters, traction systems, and industrial rectifiers where exact control over high-power circuits is necessary. Its sturdy building and construction, high voltage tolerance, and reliable switching make the SW20HHR320 suitable for demanding scenarios calling for durability and efficiency. The device is packaged with anti-corrosive products to make sure longevity in diverse functional conditions.

(Electronic Equipments Gate Turn Off Thyristor Stud Diode Thyristor SW20HHR320)

Applications of Electronic Equipments Gate Turn Off Thyristor Stud Diode Thyristor SW20HHR320

The Gate Turn Off Thyristor (GTO) Stud Diode Thyristor SW20HHR320 is a high-performance semiconductor device created for requiring power control applications. Combining the dependability of a stud-mounted diode with the precision of a GTO thyristor, this element is engineered to manage high voltage, current, and thermal tension, making it ideal for industrial and business systems calling for robust changing and effective energy administration.

A key application of the SW20HHR320 remains in ** commercial electric motor drives **, where it makes it possible for precise speed and torque control for hefty equipment. Its GTO functionality allows it to switch off by means of a gate signal, getting rid of the need for intricate commutation circuits. This attribute boosts effectiveness in motor control systems, lowering power losses and improving functional security in production, mining, and heating and cooling systems.

In ** renewable energy systems **, such as solar inverters and wind generator converters, the SW20HHR320 plays an important role in converting and controling power. Its high voltage score (as much as 3200V) and sturdy stud style make sure reputable efficiency in grid-tied inverters, where it manages bidirectional power flow while enduring harsh environmental conditions. The tool’s low thermal resistance also helps in heat dissipation, expanding lifespan in high-duty-cycle applications.

The thyristor is just as essential in ** transportation infrastructure **, consisting of electric trains and metro systems. Right here, it promotes grip control and regenerative stopping, enabling effective energy healing. Its stud-mounted building provides mechanical longevity, crucial for vibration-prone environments. Furthermore, the SW20HHR320 is used in ** high-voltage straight existing (HVDC)** transmission systems to stabilize power distribution over fars away, decreasing transmission losses.

Other applications include ** uninterruptible power materials (UPS)** and ** welding devices **, where fast changing and high surge tolerance are crucial. The GTO’s ability to take care of unexpected load adjustments ensures regular performance in crucial backup systems, while its sturdy diode framework sustains high-current pulses in commercial welding.

Generally, the SW20HHR320 excels in scenarios demanding high effectiveness, thermal durability, and specific control. Its mix of GTO adaptability and stud diode robustness makes it a foundation of modern power electronic devices, driving technology throughout industries from tidy energy to heavy production.

Company Profile

PDDN Photoelectron Technology Co., Ltd.(sales@pddn.com) is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, 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 Equipments Gate Turn Off Thyristor Stud Diode Thyristor SW20HHR320, please send us inquiries; we will be here to help you.

Payment Methods

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

Shipment

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.

5 FAQs of Electronic Equipments Gate Turn Off Thyristor Stud Diode Thyristor SW20HHR320

The SW20HHR320 Gate Turn Off (GTO) Thyristor Stud Diode is a high-power semiconductor device designed for efficient switching and control in demanding applications. Below are five common FAQs with direct answers:

**1. What are the key electrical specifications of the SW20HHR320?**
The SW20HHR320 typically operates at a maximum repetitive reverse voltage of 3200V and an average forward current of 20A. Its GTO design allows precise turn-on and turn-off via gate signals, supporting high surge current handling for transient-heavy environments.

**2. How does a GTO Thyristor differ from a standard thyristor?**
Unlike conventional thyristors that require external commutation circuits to turn off, the GTO Thyristor can be turned off by applying a negative gate pulse. This enables faster switching, better control in DC circuits, and reduced system complexity in applications like motor drives or inverters.

**3. What are the typical applications for this thyristor?**
It is suited for high-voltage, high-current systems such as industrial motor controllers, power supplies, traction systems, and renewable energy inverters. Its stud-mounted design ensures robust thermal performance in heavy-duty setups.

**4. How is thermal management handled for the SW20HHR320?**
The stud-mounted package allows direct attachment to heatsinks, ensuring efficient heat dissipation. Proper mounting torque (typically 10–15 Nm) and thermal interface materials are critical to avoid overheating and maintain performance under high-load conditions.

**5. What reliability features does this component offer?**
The SW20HHR320 is built for durability with high surge current tolerance, low leakage current, and robust isolation. It complies with industrial standards for voltage and temperature stability, ensuring longevity in harsh environments. Always refer to the datasheet for derating guidelines and operational limits.

(Electronic Equipments Gate Turn Off Thyristor Stud Diode Thyristor SW20HHR320)