T420N12TOFXPSA1

Series:	--
Part Status:	Last Time Buy
Lead Free Status / RoHS Status:	--
Structure:	Single
Moisture Sensitivity Level (MSL):	--
Number of SCRs, Diodes:	1 SCR
Voltage - Off State:	1.8kV
Current - On State (It (AV)) (Max):	424A
Current - On State (It (RMS)) (Max):	750A
Voltage - Gate Trigger (Vgt) (Max):	2V
Current - Gate Trigger (Igt) (Max):	200mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	7200A @ 50Hz
Current - Hold (Ih) (Max):	300mA
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Chassis Mount
Package / Case:	DO-200AA, A-PUK

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Thyristors - SCRs - Modules: T420N12TOFXPSA1 Application Field and Working Principle

Thyristors, also known as SCRs (silicon controlled rectifiers), are used in many areas of electronics. Among these are industrial and commercial applications, such as motor and process control. The T420N12TOFXPSA1 is a 3-phase thyristor module designed for motor control, specifically for 4-start induction motors.

Field of application

The T420N12TOFXPSA1 is a three-phase power transistor module designed specifically for use with 4-start induction motors. It can be used to directly control the turn-on and turn-off of various types of motors, including base-mounted and torque-controlled motors. This module is designed for motor control applications that require high switching speeds and for applications that demand a close match to the motor\'s speed characteristics. When used in industrial or commercial applications, the T420N12TOFXPSA1 provides several advantages, including high switching speed, low leakage current and high dielectric strength. It is also able to withstand severe temperature and vibration conditions, making it suitable for long-term and continuous operation.

Working principle

The T420N12TOFXPSA1 is composed of a three-phase thyristor module. Each phase consists of a three-legged structure, with two terminals being the anode and cathode and the third being the gate. The gate is used to control the switching of the thyristor. When the gate is closed, the diode formed between the anode and cathode is blocked and no current is allowed to flow through it. When the gate is opened, current can flow through the diode, allowing the thyristor to switch on and off.The T420N12TOFXPSA1 can be operated manually or automated through a digital control system. When manually operated, it requires voltage and current control, as well as a timer for on and off cycles. This module can also be operated using a digital control system, which requires a voltage and current interface and a control system with an adjustable frequency drive and a variable speed drive.

Advantages

The main advantage of the T420N12TOFXPSA1 is its ability to provide a high switching speed with low leakage current. This allows motors to run at higher speeds, with higher efficiency and without excessive heat or wear. In addition, this module also has a high dielectric strength that protects the module from any potential damage caused by high voltage.The T420N12TOFXPSA1 is also resilient to extreme temperature and vibration conditions, providing reliable and durable operation in most environments. This makes it ideal for long-term, continuous operation.

Conclusion

The T420N12TOFXPSA1 is a three-phase thyristor module designed for use in motor control applications. It provides a high switching speed with low leakage current and a high dielectric strength. It is also highly resilient to extreme temperature, vibration and other harsh environment conditions, making it suitable for long-term and continuous operation.

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