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Description
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 160A 1200V T161-160-12 SCR T161-160-12 T161-160-14 T161-160-16 T161-160-18)
Specification of Phase Control Thyristor 160A 1200V T161-160-12 SCR T161-160-12 T161-160-14 T161-160-16 T161-160-18
This SCR is a phase control thyristor. It handles high power. The main model is the T161-160-12. Its key ratings are 160 Amperes and 1200 Volts. This makes it strong for demanding jobs. It controls alternating current power effectively. It switches power on and off precisely. This happens during each half-cycle of the AC waveform.
The part number T161-160-12 tells you its ratings. The “160” means 160 Amps average current. The “12” means 1200 Volts peak repetitive voltage. It is designed for phase control circuits. These circuits manage motor speed or light dimming. They also manage heating elements. It features a high surge current capability. It handles short overloads well. Its gate needs a standard trigger signal. This makes it easy to use with common drivers.
Other models exist in the same family. They share the 160A current rating. They differ in voltage rating. The T161-160-14 handles 1400 Volts. The T161-160-16 handles 1600 Volts. The T161-160-18 handles 1800 Volts. Choose the voltage rating matching your application needs. Higher voltage ratings offer more safety margin.
Proper thermal management is essential. You must mount it on a suitable heatsink. The heatsink keeps the junction temperature safe. This ensures reliable operation. It prevents overheating failures. Follow the mounting torque specifications exactly. Good thermal contact is critical.
These thyristors find use in industrial settings. They power motor controllers. They drive high-intensity lighting systems. They control large industrial heaters. They are also found in power supplies. They manage battery chargers. Their robust construction suits harsh environments. They provide dependable performance for phase angle control.

(Phase Control Thyristor 160A 1200V T161-160-12 SCR T161-160-12 T161-160-14 T161-160-16 T161-160-18)
Applications of Phase Control Thyristor 160A 1200V T161-160-12 SCR T161-160-12 T161-160-14 T161-160-16 T161-160-18
This thyristor handles high power well. It manages electricity flow in big systems. The part number is T161-160-12. Similar versions exist like T161-160-14 or T161-160-18. These are all Phase Control Thyristors. They are made for controlling alternating current (AC) power. The device can handle 160 Amps of current. It also blocks voltages up to 1200 Volts. This high rating means it works in tough electrical conditions. Its main job is phase control. This means it turns on partway through the AC voltage wave. Doing this controls how much power goes to a load. It acts like a switch for big power levels. It does this switching very fast.
Factories use these thyristors a lot. They control big electric motors. Changing the motor speed is easy this way. They also manage heat in big heaters. You adjust the temperature by adjusting the power. Lighting systems in large buildings use them too. Dimming huge banks of lights requires precise power control. This is where the thyristor helps. Renewable energy systems need them. They manage power flow in wind turbines. They also help in solar power installations. Converting the power efficiently is key. Power supplies use these components. They help stabilize the output voltage. Test equipment relies on them. Engineers need to simulate different power conditions accurately.
This thyristor is built tough. It handles high surge currents without failing. It turns on quickly when signaled. This fast switching is important for control accuracy. It stays cool under normal operation. Good thermal management is part of its design. Electrical noise is kept low. This makes systems more reliable. Engineers choose this thyristor because it performs. It works reliably in demanding applications. Power control needs are met effectively.
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 Phase Control Thyristor 160A 1200V T161-160-12 SCR T161-160-12 T161-160-14 T161-160-16 T161-160-18, 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 160A 1200V T161-160-12 SCR T161-160-12 T161-160-14 T161-160-16 T161-160-18
Here are answers to common questions about the T161-160-12 series Phase Control Thyristors:
What is this device?
This is a Phase Control Thyristor (SCR). It is a solid-state semiconductor switch. It handles high power. The model T161-160-12 is rated for 160 Amperes average current. It can block up to 1200 Volts. It controls AC power flow by switching on at specific points in the voltage cycle.
Where is this SCR typically used?
You find this SCR in industrial power control. It works well in motor speed controllers. It is good for heating element regulation. It fits into large power supplies. It manages light dimming systems for big lights. Any application needing robust AC phase control uses devices like this.
How is this different from other SCRs?
The T161-160-12 series is built for phase control. It switches AC power on during each half-cycle. Its design focuses on handling large currents reliably. It manages high surge currents safely. It offers stable performance under tough conditions. It is different from general-purpose SCRs.
What do the model suffixes mean?
The base model is T161-160-12. The suffix number shows the voltage rating. T161-160-12 blocks 1200V. T161-160-14 blocks 1400V. T161-160-16 blocks 1600V. T161-160-18 blocks 1800V. All handle 160A average current. The suffix helps pick the right voltage for your circuit.
How do I choose the right one?
Check your circuit’s maximum voltage. Pick a model blocking higher than that voltage. The 1200V version suits many needs. Use the 1400V, 1600V, or 1800V for higher voltage systems. All handle the same 160A current. Ensure your heatsink and gate drive match the SCR’s requirements.

(Phase Control Thyristor 160A 1200V T161-160-12 SCR T161-160-12 T161-160-14 T161-160-16 T161-160-18)
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