Good Quality SCR Phase Control Thyristor SKT340 SKT340/12E SKT340/16E SKT340/18E SKT340/06E SKT340/08E SKT340/04E

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.

(Good Quality SCR Phase Control Thyristor SKT340 SKT340/12E SKT340/16E SKT340/18E SKT340/06E SKT340/08E SKT340/04E)

Specification of Good Quality SCR Phase Control Thyristor SKT340 SKT340/12E SKT340/16E SKT340/18E SKT340/06E SKT340/08E SKT340/04E

Here’s the specification for our high-quality SCR Phase Control Thyristor models: SKT340, SKT340/12E, SKT340/16E, SKT340/18E, SKT340/06E, SKT340/08E, SKT340/04E. These thyristors deliver reliable power control. They handle high currents smoothly. Each unit is built for demanding phase control applications.

The core current rating is 340 Amperes average. This rating applies to all models. Peak repetitive off-state voltage varies. Choose the right model for your voltage needs. The SKT340/04E handles 400 Volts. The SKT340/06E is rated for 600 Volts. The SKT340/08E supports 800 Volts. The SKT340/12E manages 1200 Volts. The SKT340/16E withstands 1600 Volts. The SKT340/18E is designed for 1800 Volts. The standard SKT340 also offers 1200 Volts capability.

Peak repetitive reverse voltage matches the off-state voltage. Surge current capability is robust. Expect 4000 Amperes non-repetitive surge current. This ensures protection against unexpected overloads. The critical rate of voltage rise (dv/dt) is high. Values are typically 1000 V/µs minimum. This prevents unwanted triggering from voltage spikes.

Operating temperature is crucial. The maximum junction temperature (Tj) is 125°C. Storage temperature (Tstg) ranges from -40°C to 125°C. Proper heat sinking is essential. Thermal resistance junction to case (Rth j-c) is low. Typical values are around 0.12 °C/W. This allows efficient heat transfer away from the silicon die.

Gate trigger specifications ensure easy control. Gate trigger voltage (Vgt) is low. It is typically 1.5 Volts. Gate trigger current (Igt) is also low. Values are typically 200 mA. Holding current (Ih) ensures stable latching. Values are typically 500 mA. Latching current (Il) is typically 1000 mA. These characteristics guarantee reliable turn-on.

The standard package is a stud type. It is industry standard for high-power devices. Mounting is simple and secure. Electrical isolation is standard. The case is electrically isolated from the main terminals. This simplifies heatsink design and installation. These thyristors are proven performers in industrial power control.

(Good Quality SCR Phase Control Thyristor SKT340 SKT340/12E SKT340/16E SKT340/18E SKT340/06E SKT340/08E SKT340/04E)

Applications of Good Quality SCR Phase Control Thyristor SKT340 SKT340/12E SKT340/16E SKT340/18E SKT340/06E SKT340/08E SKT340/04E

These SKT340 SCR thyristors handle tough phase control jobs. They manage power flow precisely. Think industrial heating systems. These thyristors regulate the heat accurately. They adjust power to heating elements smoothly. This keeps temperatures stable. It saves energy too. Factories need reliable temperature control for production.

Motor speed control is another key use. These thyristors work well in motor drives. They control electric motor speed effectively. This is vital for conveyor belts, pumps, and mixers. Precise speed adjustments mean machines run better. Equipment lasts longer this way.

Lighting dimming systems benefit from these components. They control big lighting loads. Stage lighting, industrial lamps, and architectural lights use them. They provide smooth, flicker-free dimming. Light levels adjust perfectly for the task or atmosphere.

Voltage regulation is important. These thyristors help regulate voltage in AC power supplies. They maintain consistent output voltage. Sensitive equipment needs stable power. This protects machines from damage. It ensures consistent performance.

Power supplies use them for soft starting. They reduce stress on electrical systems. This prevents sudden power surges. Motors and transformers start gently. It minimizes wear and tear. Systems run more reliably over time.

The SKT340 series offers different voltage ratings. Choose SKT340/04E, SKT340/06E, SKT340/08E, SKT340/12E, SKT340/16E, or SKT340/18E. Match the voltage to your specific circuit needs. The right voltage rating ensures safety and durability. These thyristors are built for demanding industrial environments. They deliver consistent, dependable power control.

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 Good Quality SCR Phase Control Thyristor SKT340 SKT340/12E SKT340/16E SKT340/18E SKT340/06E SKT340/08E SKT340/04E, 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 Good Quality SCR Phase Control Thyristor SKT340 SKT340/12E SKT340/16E SKT340/18E SKT340/06E SKT340/08E SKT340/04E

Here are 5 FAQs about the Good Quality SCR Phase Control Thyristor SKT340 Series:

What is the SKT340 series?
The SKT340 series is a group of robust SCRs designed specifically for phase control. These SCRs handle high currents reliably. They are built for demanding industrial uses. You need precise power control.

Why is the SKT340 called “Good Quality”?
We enforce strict manufacturing standards. Every unit undergoes thorough testing. This ensures consistent performance. The design focuses on long-term reliability. You get stable operation under tough conditions. Quality materials prevent early failures.

What voltage ratings are available?
The SKT340 series offers different voltage options. Choose the model matching your needs: SKT340/04E (400V), SKT340/06E (600V), SKT340/08E (800V), SKT340/12E (1200V), SKT340/16E (1600V), SKT340/18E (1800V). Check your system voltage first.

How does phase control work with this thyristor?
The SCR manages power flow by delaying its turn-on point within the AC cycle. This cuts the voltage delivered to the load. It allows smooth adjustment. Think light dimmers or motor speed controls. The SKT340 excels at this precise switching.

Why pick the SKT340 over other SCRs?
Its design handles high surge currents well. Thermal performance is superior. This means better heat dissipation. You get higher reliability in phase control circuits. It’s tougher than generic parts. It fits demanding applications perfectly.

(Good Quality SCR Phase Control Thyristor SKT340 SKT340/12E SKT340/16E SKT340/18E SKT340/06E SKT340/08E SKT340/04E)