C390MX555

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Thyristors - SCRs

The C390MX555 is a type of semiconductor device referred to as a Thyristor. Thyristors are also commonly referred to as silicon-controlled rectifiers (SCRs), and are considered to be a kind of switch. They are capable of controlling a large amount of electrical current, with very little effort or current used to trigger them.

The C390MX555 is a four-layer, three-terminal, bidirectional SCR. It is capable of passing a maximum current of up to 400A, with a repetitive average on-state current of 65A. It is typically used to control the flow of current in industrial, residential, and commercial applications. In terms of voltage ratings, it is capable of passing up to 600V. The C390MX555 is a modern, high-quality SCR which is ideal for use in applications where a large amount of power needs to be controlled.

Applications Flelds

The C390MX555 is typically used in a wide range of industrial, residential, and commercial applications. It is primarily used as a switch in applications ranging from heating and air conditioning systems, to motor controllers and UPS systems. It is also used to monitor and regulate the flow of electrical currents in a variety of appliance and medical device applications, such as power supplies and electric blankets.

Additionally, the C390MX555 can be used to regulate the flow of voltage in applications such as electric motors and generators, automatic starters, and electro-hydraulic valves. The C390MX555 is also often used in high-powered transfer equipment such as welding machines, arc furnaces, and automatic switch-gear.

Working Principle

The C390MX555 works by using a voltage biased process which means that it is triggered when a certain voltage level is reached. The voltage bias is applied across the SCR\'s terminal points, such as terminals A, B, and C. Upon reaching the established voltage level, the SCR is triggered and current begins to flow. When the current exceeds a certain level, the SCR will remain triggered even when the voltage bias is removed. This is referred to as off-state holding and is particularly useful in applications that require current to remain on even after the voltage bias has been removed.

The current flow path through the C390MX555 is much like that of a diode, with two positive connections and two negative connections. The positive side of the circuit is typically connected to the "A" terminal, while the negative side is connected to the "C" terminal. This creates a closed loop through which current can flow. When the voltage bias is applied, current is able to flow through the SCR and the two positive connections effectively form a switch, which is why SCRs are commonly referred to as switches.

Conclusion

The C390MX555 is a high-quality four-layer, three-terminal, bidirectional SCR used in controlling the flow of large volumes of electrical current. It is ideal for industrial, residential, and commercial applications, and is capable of handling up to 400A of current and 600V of voltage. The C390MX555 operates using a voltage biased process, whereby it is triggered when a certain voltage level is reached. It is also able to remain in an "off-state" holding when the voltage bias is removed, which is useful for certain applications. Overall, the C390MX555 is an effective and reliable SCR which is ideal for controlling high-powered electrical current.

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