TVA120RSA-L Circuit Protection

Series:	SiBar
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	160V
Voltage - Off State:	120V
Voltage - On State:	4V
Current - Peak Pulse (8/20µs):	100A
Current - Peak Pulse (10/1000µs):	50A
Current - Hold (Ih):	150mA
Number of Elements:	1
Capacitance:	30pF
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA

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TVS - Thyristors: TVA120RSA-L application field and working principle

Thyristors, also known as Silicon Control Rectifiers (SCR), are one of the most versatile and powerful semiconductor devices available for controlling power. They are widely used in a variety of commercial and industrial power applications, ranging from motor control, welding to lighting. The TVA120RSA-L is a high power SCR, and it is most commonly used for industrial motor control purposes. This article will discuss the application field and working principle of the TVA120RSA-L.

The TVA120RSA-L, by itself, is used as an on-off switch in a variety of industrial motor control applications, such as controlling the speed of motors, pumps, fans, presses, and more. In these motor control applications, the TVA120RSA-L is typically connected in series with a DC motor, and is used to turn it on and off. When turned on, the TVA120RSA-L provides a path for current from the motor and allows it to receive power. When turned off, the TVA120RSA-L prevents current flowing to the motor and stops it. This makes it possible to precisely control the speed and power of the motor, allowing for efficient and effective operation. The TVA120RSA-L can also be used in other applications, such as heating and lighting control, current limiting, voltage regulation, and more.

The working principle of the TVA120RSA-L is based on the use of a thyristor, which is an electronic device that can act as either a switch or a rectifier. A thyristor is made up of four layers, two of which are anode and cathode. When a suitable voltage is applied to the device, it “triggers”, and the anode and cathode act as a switch, allowing current to flow through the device. The TVA120RSA-L is a high power, 3-phase thyristor, meaning that it can control up to three phases of current at a time. The way it works is that voltage is applied to the device, and when it triggers, an electrical field is created between the anode and the cathode that turns on the device and allows current to flow through it.

To sum up, the TVA120RSA-L is a high power SCR, most commonly used for controlling the speed and power of industrial motors. It works by using a thyristor to act as a switch, allowing current to flow through the device when a suitable voltage is applied. The device is very versatile and is used in a variety of applications, including motor control, welding, lighting control, current limiting, voltage regulation, and more.

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