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Description
Overview of Fast Turn-Off Thyristor (GTO)
A Fast Turn-Off Thyristor, commonly referred to as a Gate Turn-Off Thyristor (GTO), is a type of semiconductor device that can be turned on and off by its gate signal. Unlike standard thyristors, which can only be turned on by a gate signal and turned off by reducing the current flowing through them below a certain threshold (holding current), GTOs can be actively turned off by applying a negative gate pulse. This capability allows for more precise control over the device’s switching behavior.
GTOs are used in high-power applications such as motor drives, power supplies, and inverters, where they facilitate rapid and controlled switching of large currents. They operate at higher currents and voltages than most other types of transistors, making them suitable for heavy-duty industrial and commercial applications.
Features of Fast Turn-Off Thyristor (GTO)
Active Turn-Off Capability: Can be turned off by applying a negative gate pulse, providing better control over switching.
High Power Handling: Capable of managing high levels of power, with ratings often exceeding those of conventional thyristors.
Rapid Switching: Designed for fast turn-on and turn-off times, enabling efficient operation in power conversion circuits.
Large Current Capacity: Able to handle significant currents, making them ideal for applications requiring substantial power delivery.
High Voltage Tolerance: Can withstand high voltages, contributing to their reliability in demanding environments.
Low On-State Voltage Drop: Minimizes power loss when conducting, improving overall efficiency.
Gate Drive Requirements: Requires careful design of gate drive circuits to ensure reliable turn-on and turn-off operations.
Complex Control Circuits: Due to the need for both positive and negative gate pulses, control circuitry can be more complex compared to simpler thyristors.
Snubber Circuits: Often require snubber circuits to protect against voltage spikes during switching.
Thermal Management: Efficient heat dissipation is crucial due to the high power levels involved.
(Hot ing Gate Turn Off Thyristor W0503RD200 Stud Thyristor)
Specification of Hot ing Gate Turn Off Thyristor W0503RD200 Stud Thyristor
The W0503RD200 is a high-performance stud-type Entrance Turn-Off (GTO) thyristor developed for durable power control applications. It integrates sophisticated semiconductor innovation with a tough mechanical construction, making it suitable for high-voltage, high-current changing in commercial and power systems.
Secret Specifications: .
– Voltage Ratings: .
– Recurring Peak Off-State Voltage (V_DRM): 2000 V.
– Repetitive Peak Opposite Voltage (V_RRM): 2000 V.
– Optimum On-State Voltage Decrease (V_T): 2.5 V at 300 A.
– Present Scores: .
– Ordinary On-State Current (I_TAV): 300 A.
– Height Rise Current (I_TSM): 3000 A (non-repetitive).
– Critical Price of Increase of On-State Current (di/dt): 200 A/ µs
. – Entrance Characteristics: .
– Trigger Existing (I_GT): 200 mA (max).
– Turn-On Time (t_gt): 3 µs (normal).
– Turn-Off Time (t_q): 25 µs (common).
– Reverse Gateway Voltage (V_RGM): -5 V (max).
– Thermal Properties: .
– Operating Joint Temperature (T_J): -40 ° C to +125 ° C. -Thermal Resistance Junction-to-Stud (R_thJS): 0.05 ° C/W.
– Mechanical Details: .
– Bundle: Stud-mounted design with M16 threaded stud for secure warmth sinking.
– Stud Material: Copper alloy with nickel plating for rust resistance.
– Weight: Approx. 200 grams.
– Dimensions: 30 mm size base, 40 mm height.
Applications: .
The W0503RD200 is optimal for high-power correction, motor drives, AC/DC converters, and industrial inverters. It is typically utilized in electrical traction systems, renewable resource converters (e.g., wind/solar), and HVDC transmission because of its fast switching and high rise tolerance.
Features: .
– High blocking voltage capacity guarantees integrity sought after atmospheres.
– Reduced thermal resistance makes it possible for efficient warmth dissipation, decreasing thermal stress.
– Robust stud building and construction gives mechanical security and simple assimilation right into heatsink assemblies.
– Optimized gateway drive requirements simplify control wiring.
Conformity: .
RoHS and REACH certified, with qualifications satisfying worldwide standards for industrial electronics.
Notes: .
Correct mounting torque (suggested 15 Nm) and thermal paste application are critical for ideal performance. Gate drive circuits should follow defined voltage/current limitations to prevent damages. The tool is not advised for air conditioner line-frequency switching due to its GTO style.
This thyristor is engineered for systems needing exact, high-power changing with lasting resilience under extreme electrical and thermal problems.
(Hot ing Gate Turn Off Thyristor W0503RD200 Stud Thyristor)
Applications of Hot ing Gate Turn Off Thyristor W0503RD200 Stud Thyristor
The W0503RD200 Stud Thyristor is an Entrance Turn Off (GTO) thyristor developed for high-power applications calling for exact control, robust efficiency, and efficient thermal administration. Its stud-mounted building and construction makes sure premium heat dissipation, making it optimal for settings with high thermal stress and anxiety. With high voltage and current scores, this tool masters demanding commercial, energy, and transport systems.
Industrial Motor Drives : The W0503RD200 is extensively made use of in variable-speed electric motor drives and automation systems. Its capacity to take care of high currents and switch rapidly enables accurate control of AC/DC motors, enhancing performance in manufacturing, robotics, and hefty machinery.
Renewable Energy Systems : In solar inverters and wind power converters, this thyristor makes it possible for reliable DC-AC conversion, making certain secure grid combination. Its high voltage resistance and thermal durability make it ideal for varying power inputs and extreme outdoor conditions.
Traction Systems : Electric trains, cable cars, and hybrid vehicles rely upon this GTO thyristor for traction control. It manages high-power changing in propulsion systems, guaranteeing smooth velocity and regenerative stopping while standing up to mechanical resonances and temperature level variants.
HVDC Transmission : High Voltage Direct Current (HVDC) systems utilize the W0503RD200 for long-distance power transmission. Its reduced conduction losses and fast turn-off ability enhance grid security and power efficiency, decreasing downtime in utility-scale networks.
Induction Heating : In metal processing and manufacturing, this thyristor powers induction heating tools by delivering controlled high-frequency currents. Its precision allows consistent heating for creating, welding, and annealing applications.
Uninterruptible Power Supplies (UPS): Important centers like information centers and hospitals utilize the thyristor in UPS systems for smooth power backup. Its quick switching makes certain very little downtime during failures, protecting delicate equipment.
Medical Devices : High-energy systems like MRI machines and radiotherapy gadgets benefit from the thyristor’s reliable power regulation, guaranteeing person security and operational accuracy.
The W0503RD200 Stud Thyristor incorporates durability with advanced control, making it a foundation of contemporary power electronics. Its convenience throughout sectors comes from its high surge tolerance, thermal efficiency, and capacity to run in severe conditions, making certain long-term dependability and efficiency.
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 Hot ing Gate Turn Off Thyristor W0503RD200 Stud 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 Hot ing Gate Turn Off Thyristor W0503RD200 Stud Thyristor
The Hot ing Gate Turn Off Thyristor W0503RD200 Stud Thyristor is a high-power semiconductor device designed for efficient switching in demanding applications. Here are five frequently asked questions about this component:
1. What is the W0503RD200 Thyristor used for?
The W0503RD200 is a Gate Turn-Off (GTO) thyristor capable of being turned on and off via its gate terminal, unlike standard thyristors. It is designed for high-voltage and high-current switching in industrial applications such as motor drives, power inverters, welding equipment, and traction systems. Its stud-mounted design ensures robust mechanical and thermal performance.
2. What are the key specifications of the W0503RD200?
This thyristor features a repetitive peak off-state voltage (VDRM) of 200V, an average on-state current (ITAV) of 50A, and a surge current rating (ITSM) of 500A. It requires a gate trigger current (IGT) of 200mA and has a maximum junction temperature of 125°C. The stud mounting ensures efficient heat dissipation.
3. How does a GTO thyristor differ from a standard SCR?
Unlike a conventional SCR, which latches on until the current drops to zero, a GTO thyristor can be turned off by applying a negative gate pulse. This allows precise control over switching timing, making it ideal for applications requiring rapid turn-off without external commutation circuits.
4. What are the thermal management requirements?
Proper heat sinking is critical. The stud base must be mounted on a heatsink with thermal grease to maintain junction temperature within limits. Ensure the mounting surface is clean and torqued to the manufacturer’s specification (typically 10-12 Nm) to avoid overheating or mechanical failure.
5. Can this thyristor handle repetitive high-voltage spikes?
Yes, the W0503RD200 is designed to withstand repetitive voltage transients up to 200V. However, for reliability, use snubber circuits or voltage clamping devices in circuits prone to voltage spikes. Always operate within the datasheet’s absolute maximum ratings to prevent damage.
This thyristor is ideal for engineers seeking reliable, high-power switching with precise control in industrial and automotive systems.
(Hot ing Gate Turn Off Thyristor W0503RD200 Stud Thyristor)
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