Phase Control Thyristor R1275NS21 SCR Thyristor Module High Power Thyristor

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 R1275NS21 SCR Thyristor Module High Power Thyristor)

Specification of Phase Control Thyristor R1275NS21 SCR Thyristor Module High Power Thyristor

The Phase Control Thyristor R1275NS21 is a high-power SCR thyristor module built for demanding industrial applications. It handles high voltage and current levels, making it suitable for power control systems. The device supports a maximum repetitive off-state voltage of 1200V and a maximum RMS current of 750A. These specs ensure reliable performance in heavy-duty environments like motor drives, voltage regulators, and industrial heating systems.

The module uses a phase control method to manage power flow. This allows precise adjustment of output voltage or current by controlling the firing angle. The design includes a robust thermal management system. It integrates a direct copper bond substrate and an isolated base plate. These features improve heat dissipation, keeping the module stable under continuous high-load conditions.

The R1275NS21 operates across a wide temperature range, from -40°C to 125°C. This makes it adaptable to harsh settings. Its construction uses high-grade materials to resist mechanical stress and electrical wear. The thyristor has a low gate trigger current, reducing power loss during switching. This improves efficiency in high-frequency operations.

Safety is a priority. The module includes overvoltage and overcurrent protection. These safeguards prevent damage from sudden voltage spikes or short circuits. The isolation voltage between terminals and the base plate exceeds 2500V. This minimizes risks of electrical leakage or arcing.

Installation is straightforward. The module’s compact design fits standard mounting setups. Maintenance requirements are minimal due to its durable build. Compatibility with standard heat sinks and drivers simplifies integration into existing systems.

The R1275NS21 meets international standards for industrial electronics. It undergoes rigorous testing for performance and reliability. Applications include welding equipment, UPS systems, and renewable energy converters. Its high surge current capacity ensures steady operation during load fluctuations.

This thyristor module is a practical choice for engineers needing dependable power control. Its balance of high specs, thermal efficiency, and safety features addresses common challenges in industrial automation.

(Phase Control Thyristor R1275NS21 SCR Thyristor Module High Power Thyristor)

Applications of Phase Control Thyristor R1275NS21 SCR Thyristor Module High Power Thyristor

The Phase Control Thyristor R1275NS21 SCR Thyristor Module is designed for high-power applications requiring precise control over electrical currents. This module handles large voltage and current levels efficiently. It is commonly used in industrial power systems, motor drives, and heating control equipment. The thyristor’s design ensures reliable switching performance under heavy loads. It supports phase-angle control to adjust power delivery accurately. This feature makes it ideal for systems needing variable power output.

Industrial motor drives benefit from the R1275NS21’s ability to regulate speed and torque. The module adjusts the voltage supplied to motors by controlling the firing angle of the thyristor. This process minimizes energy waste. It also extends the lifespan of motor components. In heating systems, the thyristor manages temperature by modulating electrical input to heating elements. This precise control improves energy efficiency. It maintains consistent temperatures in processes like metal treatment or plastic molding.

The R1275NS21 is built for high-voltage environments. It operates effectively in circuits up to 1200V. The module’s current rating exceeds 1000A. This capacity suits heavy-duty applications such as electric arc furnaces or welding equipment. Its robust construction withstands thermal stress and electrical surges. The module includes integrated heat sinks. These dissipate excess heat during prolonged operation. This design prevents overheating. It ensures stable performance in continuous-use scenarios.

Renewable energy systems use this thyristor for power conversion and grid integration. In solar or wind installations, it helps convert variable DC output to stable AC power. The module’s fast switching capability maintains grid compatibility. It reduces harmonic distortions. This ensures clean power transmission.

The R1275NS21 features a compact, modular design. It simplifies installation in complex power setups. Maintenance requirements are low. The module’s materials resist corrosion and wear. This durability makes it suitable for harsh industrial environments. Engineers rely on its consistency for critical operations.

Compatibility with standard control systems allows seamless integration. The thyristor works with analog and digital triggers. This flexibility supports automation in modern manufacturing. Its performance meets international safety and efficiency standards. Testing confirms reliability under extreme conditions.

The R1275NS21 SCR Thyristor Module addresses the demands of high-power control tasks. It combines precision, durability, and adaptability. Industries prioritize it for optimizing energy use and enhancing system reliability.

Company Profile

Luoyang Datang Energy Tech 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 R1275NS21 SCR Thyristor Module High Power Thyristor, 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 R1275NS21 SCR Thyristor Module High Power Thyristor

The R1275NS21 Phase Control Thyristor is a high-power SCR module designed for industrial applications. Here are 5 common questions users ask about it. What is the main purpose of this thyristor? It controls large electrical currents in AC systems. It handles phase-angle control in motor drives, heating systems, or power supplies. This lets users adjust power output smoothly. What voltage and current ratings does it support? The device operates up to 1200V. It manages average currents up to 75A. Surge currents can reach 800A. These specs make it suitable for heavy-duty equipment. How is it installed? Mount it on a heatsink using thermal paste. Proper cooling ensures stable performance. Connect terminals according to the circuit diagram. Tighten screws evenly to avoid damage. Wrong installation risks overheating or failure. What safety features does it have? The module includes overvoltage protection. It resists voltage spikes from inductive loads. Its isolation voltage is 2500V. This prevents short circuits between components. Always pair it with fuses for extra safety. Where is it commonly used? Factories use it in machinery requiring precise power control. Examples are industrial ovens, conveyor systems, or voltage regulators. It works in environments with high electrical noise. Avoid using it in low-power devices. This covers basic details. Users should check datasheets for exact parameters.

(Phase Control Thyristor R1275NS21 SCR Thyristor Module High Power Thyristor)