5STP18H4200 5STP 18H4200 Phase Control 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.

(5STP18H4200 5STP 18H4200 Phase Control Thyristor)

Specification of 5STP18H4200 5STP 18H4200 Phase Control Thyristor

The 5STP18H4200 is a phase control thyristor designed for high-power industrial applications. It handles high voltage and current levels efficiently. The device features a repetitive peak off-state voltage (VDRM) of 4200V and a maximum average on-state current (IT(AV)) of 18A. These specifications make it suitable for demanding environments requiring stable performance under extreme electrical stress.

The thyristor operates within a wide temperature range. The maximum junction temperature (Tj) reaches 125°C. Thermal resistance (Rth(j-h)) is 0.12°C/W, ensuring effective heat dissipation during prolonged use. The storage temperature ranges from -40°C to 125°C, allowing reliable functionality in harsh conditions. Proper mounting torque (10Nm) is critical to maintain thermal contact and prevent mechanical damage.

Gate trigger parameters are optimized for precision. The gate trigger current (IGT) is 200mA, and the gate trigger voltage (VGT) is 3V. These values enable consistent switching with minimal gate power loss. The device’s critical rate of rise of off-state voltage (dv/dt) is 1000V/μs, reducing the risk of unintended turn-on during voltage spikes.

Mechanically, the 5STP18H4200 uses a press-fit package design. This eliminates the need for soldering, simplifying installation. The ceramic housing provides high insulation and mechanical strength. The device weighs 150g, with dimensions of 64mm in diameter and 28mm in height. These features ensure compatibility with standard industrial setups.

Applications include motor control systems, power regulators, and AC/DC converters. The thyristor is ideal for phase-controlled rectification and soft-start circuits. Its robust construction supports use in renewable energy systems, such as wind and solar power inverters. Engineers value its reliability in managing high-voltage transitions and minimizing energy loss.

Compliance with international standards (IEC, UL) guarantees safety and performance. The 5STP18H4200 is tested for surge current handling (ITS

(5STP18H4200 5STP 18H4200 Phase Control Thyristor)

Applications of 5STP18H4200 5STP 18H4200 Phase Control Thyristor

The 5STP18H4200 phase control thyristor handles high-power applications requiring precise voltage regulation. Its design supports industrial systems like motor speed controllers, heating equipment, and lighting controls. The device manages large currents efficiently, making it ideal for heavy machinery in manufacturing plants. Engineers rely on its stability in harsh environments, including high temperatures and electrical noise.

This thyristor operates at a blocking voltage of 4200V. It suits renewable energy systems such as wind turbines and solar inverters. The component ensures smooth power conversion, reducing energy loss during transmission. Its robust structure prevents failures in fluctuating load conditions. Factories use it to protect sensitive equipment from voltage spikes.

The 5STP18H4200 works in traction systems for electric trains and subway networks. It controls power distribution in railway grids, maintaining consistent performance under variable demands. Transportation providers prioritize its low maintenance needs and long service life. The thyristor’s fast switching capability minimizes delays in power adjustment.

High-voltage direct current (HVDC) transmission systems benefit from this component. It stabilizes energy flow across long-distance power lines, preventing overloads. Utility companies integrate it into substations for grid reliability. The thyristor’s thermal performance prevents overheating, even during peak usage periods.

Medical equipment manufacturers use the 5STP18H4200 in imaging systems and radiation therapy machines. Its precision ensures accurate power delivery for critical healthcare applications. Data centers deploy it in backup power supplies to avoid downtime. The thyristor’s durability reduces replacement costs in 24/7 operational environments.

The device supports welding machines by maintaining stable arcs during industrial processes. Its consistency improves weld quality while lowering energy consumption. Metal fabrication plants depend on its reliability for continuous production cycles.

Mining operations utilize the thyristor in drilling rigs and conveyor systems. It withstands vibrations and dust exposure common in extraction sites. The component’s resistance to mechanical stress extends equipment lifespan.

Electric vehicle charging stations incorporate the 5STP18H4200 for rapid power transfer. It manages high currents safely, reducing charging time without compromising safety. Automotive engineers value its compact size for space-efficient installations.

The thyristor’s design includes built-in protection against short circuits and overloads. This feature minimizes downtime in critical infrastructure. Its compatibility with modern control systems allows seamless integration into automated networks. Technical teams appreciate its straightforward installation and minimal calibration requirements.

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 5STP18H4200 5STP 18H4200 Phase Control 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 5STP18H4200 5STP 18H4200 Phase Control Thyristor

The 5STP18H4200 phase control thyristor handles high-power applications. It manages AC power in industrial systems. Common uses include motor controls, lighting systems, and voltage regulators. The device supports precise phase-angle adjustments. This ensures efficient power delivery.

What are the key specifications? The thyristor has a 4200V repetitive peak off-state voltage. It supports 18H average on-state current. The maximum surge current reaches 2200A. These specs suit heavy-duty operations. The device operates within -40°C to 125°C.

How does thermal management work? Proper heatsinking is critical. The thyristor generates heat during conduction. A heatsink with low thermal resistance is recommended. This prevents overheating. Thermal paste improves contact between the device and heatsink. Regular checks ensure stable performance.

Is the 5STP18H4200 reliable in harsh environments? Yes. It features a robust pressure contact construction. This design resists mechanical stress. The thyristor withstands high humidity and temperature fluctuations. It meets industrial safety standards. Testing includes high-voltage endurance and thermal cycling.

What distinguishes it from standard thyristors? The 5STP18H4200 offers higher voltage and current ratings. It handles larger surge currents without damage. The phase control accuracy is superior. This enables fine-tuned power regulation. The design prioritizes longevity under extreme conditions. Maintenance needs are minimal compared to lower-rated alternatives.

(5STP18H4200 5STP 18H4200 Phase Control Thyristor)