Original Disc Type Thyristor W0428SF250 Scr 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.

(Original Disc Type Thyristor W0428SF250 Scr Phase Control Thyristor)

Specification of Original Disc Type Thyristor W0428SF250 Scr Phase Control Thyristor

This thyristor is the W0428SF250 SCR. It’s designed for stage control jobs. Phase control handles power flow in AC circuits. This part manages high power degrees reliably.

The W0428SF250 blocks large voltages. Its recurring top off-state voltage is 2500 volts. Its non-repetitive height off-state voltage strikes 2650 volts. It manages high currents as well. Its average on-state current is 42 amps. Its RMS on-state present reaches 66 amps. Its non-repetitive optimal surge current is a substantial 780 amps.

This thyristor switches over reliably. Its essential rate of surge of on-state current is ranked at 50 amps per microsecond. Its entrance requires a small trigger current. Eviction trigger voltage stays reduced. This makes it easy to regulate. It switches off promptly when required. Its circuit commutated turn-off time is brief.

Warmth monitoring is important. The maximum junction temperature level is 125 levels Celsius. The thermal resistance from joint to instance is low. This suggests heat steps away well. It aids the component last much longer. The gadget utilizes a common stud installing bundle. This makes affixing heatsinks simple. Excellent air conditioning is important for leading performance.

This SCR matches requiring industrial usages. You discover it in electric motor speed controllers. It functions well in temperature policy systems. It powers commercial illumination controls. It takes care of sturdy power supplies. It suits welding devices. It manages air conditioner power in several machines. Its rugged develop deals with tough electric problems. It offers consistent phase control gradually.

(Original Disc Type Thyristor W0428SF250 Scr Phase Control Thyristor)

Applications of Original Disc Type Thyristor W0428SF250 Scr Phase Control Thyristor

The Original Disc Kind Thyristor W0428SF250 SCR is a high-power semiconductor device. It handles phase control jobs in air conditioning circuits. This thyristor manages large currents as much as 250 amps. It withstands high voltages as well. Its disc shape aids with warmth dissipation. This is crucial for sturdy operations.

Industrial motor drives use this thyristor usually. It readjusts motor rate efficiently. Manufacturing facilities depend on it for conveyor systems. It likewise powers equipment like pumps. This control saves energy. It reduces wear on mechanical components.

Power policy systems require this part. It stabilizes voltage in welding equipment. Welders obtain regular arcs. This thyristor works in battery chargers. It regulates billing prices precisely. This prevents overcharging.

Heating applications take advantage of its precision. Industrial ovens use it for temperature control. It switches over heating elements on and off. This keeps temperatures stable. Electric heating systems depend on its reliability. It deals with intense thermal cycles.

Lighting systems use this thyristor for dimming. Stage lights changes brightness perfectly. Streetlights use it for gradual strength adjustments. This expands light life. It cuts energy waste.

Air conditioner power controllers incorporate this device. It manages voltage for commercial tools. This includes huge drills and saws. Soft starters for electric motors utilize it. They protect against sudden power surges. This secures tools.

Renewable energy configurations apply this thyristor. It manages power in wind turbine converters. Solar inverters utilize it for grid synchronization. This makes certain steady power result.

Test devices requires its precision. It simulates lots problems in labs. Researchers test breaker with it. This confirms security systems function right.

The thyristor matches severe environments. Its robust style stands up to resonance. High-temperature resistance is crucial. This makes it excellent for steel plants. Mining operations utilize it in messy problems.

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 Original Disc Type Thyristor W0428SF250 Scr 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 Original Disc Type Thyristor W0428SF250 Scr Phase Control Thyristor

What is the W0428SF250 thyristor used for?
It controls AC power. Think dimming lights or adjusting motor speed. It handles phase control jobs. This SCR manages high power well.

What voltage and current can it handle?
It blocks up to 250 volts peak reverse voltage. It handles 4 amps average current. Surge current goes much higher. Check the datasheet for exact surge ratings. Use a heat sink.

How do I mount it properly?
Mount it firmly on a heat sink. Use M6 mounting hardware. Tighten the nut to 5 Newton meters. Good contact prevents overheating. Clean surfaces first. Apply thermal paste thinly.

What’s its maximum temperature?
Keep the case under 125 degrees Celsius. The junction gets hotter inside. Use a big enough heat sink. Airflow helps. Overheating kills the part fast.

How do I test if it’s working?
Use a multimeter on diode test mode. Check between anode and cathode. It should block current one way. It might show a small voltage drop the other way. Testing in a real circuit is best. Check isolation first.

(Original Disc Type Thyristor W0428SF250 Scr Phase Control Thyristor)