MCR100-3RLG Discrete Semiconductor Products

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Thyristors are solid state devices that are used to control electric power. They are used in a variety of applications, including providing variable voltage and power control, timing and starting of motors, switching of loads, and to switch either AC or DC signals. Thyristors can be divided into two main categories: SCRs (silicon controlled rectifiers) and TRIACs (triode alternating current switches). The MCR100-3RLG is a 3-phase SCR Thyristor module. It is used mainly in applications where phase angle control of AC power sources is required.

The MCR100-3RLG Thyristor module consists of four individual SCRs contained in a single robust housing. The back of the unit features three phase-control terminals, one main control terminal and two auxiliary terminals. This allows for simple and convenient connection to external control systems. The unit is designed to interface with an external power source and uses an on-off control signal (either AC or DC) to control the phase angle of the power source.

The working principle of the MCR100-3RLG Thyristor module revolves around the SCRs contained in the unit. SCRs are basically solid-state switches that are turned on (conducting) when a positive gate-to-cathode current is applied. The SCRs contained in the unit are connected in series at its output, allowing the module to switch a 3-phase AC electrical signal. When the control signal applied to the gate terminal is removed, the SCRs are shut off and no current is allowed to pass through to the output.

The MCR100-3RLG Thyristor module is primarily used in applications that require precise, fast and safe control of AC power sources. Examples include electroplating systems, hydraulic presses, welding machines, and power supplies that require the ability to adjust the phase angle of the AC current. One of the main advantages of the module is its small size and low weight, making it ideal for applications where space is limited and a standard AC switch cannot be used.

In conclusion, the MCR100-3RLG is a versatile, high-performance Thyristor module of the SCR type that can be used in a variety of applications where precise and safe control of power sources is needed. Its small size and light weight make it ideal for where space is limited, and its ability to control the phase angle of an AC power source makes it suitable for a wide range of applications.

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