Phase Control Thyristor SKT760/16E SCR SKT760/16E

Overview of Phase Control Thyristor

A phase control thyristor, often referred to as a triac or SCR (Silicon Controlled Rectifier) in certain applications, is a semiconductor device used for controlling the amount of power delivered to a load by adjusting the phase angle at which the AC waveform is allowed to conduct. This method of control is known as phase angle control or simply phase control. Phase control thyristors are widely used in various applications that require precise regulation of electrical power, such as lighting dimmers, motor speed controls, temperature controllers, and more.

Features of Phase Control Thyristor

Phase Angle Control: Allows adjustment of the conduction point within each half-cycle of the AC waveform, enabling precise control over the average power delivered to the load.

High Efficiency: Operates with minimal losses when conducting, providing efficient power control.

Bidirectional Conductivity (Triacs): For AC applications, triacs can conduct current in both directions, making them suitable for full-wave control of AC loads.

Unidirectional Conductivity (SCRs): SCRs conduct current in one direction only and are typically used for half-wave control of AC or DC loads.

Gate Triggering: Conduction begins when a small current is applied to the gate terminal, allowing for easy control of the turn-on point.

Latching Current: Once triggered, the thyristor continues to conduct until the current through it falls below a certain level called the holding current.

Temperature Sensitivity: Performance can be affected by temperature changes, requiring thermal management considerations in design.

Voltage and Current Ratings: Available in a wide range of voltage and current ratings to suit different application needs.

Noise Generation: Can generate electromagnetic interference (EMI), necessitating proper filtering and shielding in sensitive applications.

Protection Mechanisms: Often include built-in protection against overvoltage and overcurrent conditions to safeguard the device and connected systems.

(Phase Control Thyristor SKT760/16E SCR SKT760/16E)

Specification of Phase Control Thyristor SKT760/16E SCR SKT760/16E

The Phase Control Thyristor SKT760/16E SCR is designed for high-power applications requiring precise control over voltage and current. This device handles a maximum repetitive off-state voltage of 1600 V. It supports a maximum RMS on-state current of 760 A. The thyristor operates effectively in environments demanding reliable performance under heavy electrical loads.

The gate trigger current is 150 mA. The gate trigger voltage stays below 3 V. This ensures smooth activation with minimal control circuit strain. The holding current is 300 mA. It prevents unintended turn-off during low-current conditions. The critical rate of rise of off-state voltage is 1000 V/μs. This protects against voltage spikes that could damage the component.

Thermal resistance from junction to case is 0.045 °C/W. It allows efficient heat dissipation during continuous operation. The maximum junction temperature reaches 125 °C. Proper cooling systems are necessary to maintain safe operating conditions. The device uses a press-fit or bolt-mounted package. It simplifies installation in industrial setups.

The SKT760/16E suits phase control in AC power systems. It regulates motor speed, lighting intensity, and heating elements. The thyristor works well in rectifier circuits converting AC to DC. Industrial machinery, power supplies, and energy distribution systems benefit from its high-current capacity.

Reverse blocking capability ensures current flows only in the forward direction. This prevents circuit malfunctions caused by reverse voltages. The thyristor’s rugged construction withstands mechanical stress and thermal cycling. It offers long-term reliability in harsh operational environments.

Electrical ratings include a non-repetitive peak off-state voltage of 1700 V. The maximum average on-state current is 760 A. Surge current handling reaches 10 kA for 10 ms. These specs make it suitable for overload scenarios.

The SKT760/16E requires a gate drive circuit matching its trigger parameters. Proper insulation and heat sink installation are critical for optimal performance. Regular maintenance checks ensure contact integrity and thermal management. This thyristor meets international standards for safety and efficiency.

Common applications include industrial motor controllers, voltage regulators, and high-power rectifiers. It integrates into systems needing adjustable power output. The SKT760/16E balances durability with precise electrical control. Engineers trust it for demanding power management tasks.

(Phase Control Thyristor SKT760/16E SCR SKT760/16E)

Applications of Phase Control Thyristor SKT760/16E SCR SKT760/16E

The Phase Control Thyristor SKT760/16E SCR SKT760/16E is a high-performance semiconductor device designed for precise power management in AC systems. It regulates voltage and current by adjusting the phase angle of the input signal. This capability makes it ideal for applications requiring smooth control of electrical power.

Industrial motor control systems widely use this thyristor. It adjusts motor speed and torque in machinery like conveyor belts, pumps, and compressors. The device handles high voltage and current levels, ensuring reliable operation in demanding environments. Its robust construction minimizes energy loss, improving system efficiency.

Power supply units benefit from the SKT760/16E. It stabilizes output in equipment such as welding machines, battery chargers, and uninterruptible power supplies. The thyristor’s fast switching response prevents voltage spikes, protecting sensitive components. This reliability is critical for maintaining consistent performance in industrial and commercial settings.

Heating systems employ this component for temperature regulation. In furnaces, ovens, and induction heaters, it adjusts power delivery to maintain precise heat levels. The thyristor’s thermal stability ensures long-term operation under high-temperature conditions. This reduces downtime and maintenance costs in manufacturing processes.

Lighting control applications also utilize the SKT760/16E. It dims or brightens lights in large venues, theaters, and street lighting systems. The device’s accuracy enables smooth transitions, avoiding flicker or abrupt changes. This enhances user comfort and energy savings in public and private spaces.

Renewable energy systems integrate this thyristor for power conversion. In solar inverters and wind turbine controllers, it manages AC-DC transitions efficiently. The component’s durability in harsh weather conditions supports sustainable energy projects. It ensures stable power flow to grids or storage systems, maximizing renewable resource utilization.

The SKT760/16E features a high surge current rating and low thermal resistance. These traits make it suitable for overload protection and heat dissipation in critical setups. Its compact design simplifies integration into existing circuits without major modifications. Engineers favor it for its balance of performance, cost-effectiveness, and adaptability across industries.

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 Phase Control Thyristor SKT760/16E SCR SKT760/16E, 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 Phase Control Thyristor SKT760/16E SCR SKT760/16E

1. What is the SKT760/16E Phase Control Thyristor used for? The SKT760/16E controls high-power AC loads in industrial systems. It manages motor speed, temperature in heating systems, or light intensity in large setups. It handles heavy current and voltage. It switches power on or off based on input signals. It works in rectifiers, converters, or power regulators.

2. What are the maximum voltage and current ratings? The SKT760/16E handles up to 1600V blocking voltage. It supports 760A average current. These ratings suit high-power applications like industrial machinery. Exceeding these values risks device failure. Always check system requirements before installation.

3. How is the thyristor mounted and cooled? Mount the SKT760/16E on a heat sink using proper torque. Use thermal grease to improve heat transfer. Air or liquid cooling maintains safe temperatures. Ensure airflow is steady. High temperatures reduce performance. Follow the datasheet for thermal resistance details.

4. What gate trigger current and voltage are needed? The gate requires 3V to 5V DC. Trigger current is 200mA to 300mA. Precise signals ensure reliable switching. Weak signals cause misfiring. Use a stable gate driver circuit. Isolate the gate circuit from noise.

5. How is the device protected from voltage spikes? Install snubber circuits across the anode and cathode. Snubbers suppress sudden voltage surges. Add fast-acting fuses against overcurrent. Use varistors for extra protection. Regular maintenance checks prevent damage. Follow safety standards during installation.

(Phase Control Thyristor SKT760/16E SCR SKT760/16E)