VS-ST180C12C1

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Thyristors, also called Silicon Controlled Rectifiers (SCRs), contained junctions between three different regions of semi-conductive material, are power semiconductor switches that are used to control a wide range of applications. The VS-ST180C12C1 is a phase control thyristor intended for power and commercial applications. It is suitable in applications such as phase control systems, DC motor controllers, lighting controls, and heating controls.

The VS-ST180C12C1 consists of three layers of semi-conductive material, forming an NPN junction. The main features of the system include a high voltage rating of 180V, a current rating of 12A, and a stand-off voltage of 250V. The gate open voltage is also 30V, gate current is 400mA, and turn on time is 25μs. The turn off time of the unit is 800μs. The gate to main terminal capacitance is 10.5pF, and the dielectric strength is 3500Vrms between the gate and either main terminal.

In operation, when the thyristor is off, the gate is not connected to the main terminals. Thus, no current flows through the gate. When voltage is applied at the gate, a specific current will flow through the gate and turn the SCR ON. When the gate current is decreased or no current flows through it, the thyristor will turn off.

When the SCR is turned on, the semiconductor material between the main terminals will begin to conduct current. This current will be proportional to the applied gate voltage, and this is the principle of phase control. Depending on the type and rating of the SCR, other current ratings can be obtained. For instance, in a resistive load, the current will be limited to the applied gate voltage.

The VS-ST180C12C1 can be used in a variety of applications such as motor Speed controllers, lighting controls, temperature controls, and heaters. The device can also be used in isolation switching circuit since it can withstand high isolation voltages up to 3500Vrms. Other applications include current limiters, voltage limiters, and full wave rectifiers.

The VS-ST180C12C1 is a reliable and versatile thyristor unit offering many features and flexibility in order to use it in different scenarios. It is suitable for applications that require control of current and voltage such as switching, rectification, and phase control. The device offers a wide range of power ratings and ensures efficiency and accuracy when controlling circuits for various applications.

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