DT250N20/14KOF

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Thyristors are solid-state semiconductor devices that are designed to control electric power in a circuit, and are commonly used in applications ranging from light dimmers to motor control and semiconductor switching. The DT250N20/14KOF is a type of power thyristor module, designed for high-power applications, and capable of handling voltages up to 2500 V and current up to 35 A.

The DT250N20/14KOF is a 3-phase bridge-connected power module, suitable for use in DC-AC or AC-AC power control applications. It consists of four thyristors (SCRs) in a common-cathode arrangement, connected in the form of a bridge. The module includes snubber circuits, voltage and current isolation, and temperature sensing, as well as a reverse voltage blocking circuit. In total, the module includes 12 paralleled chips, providing a maximum operating temperature range from -50 to +125 °C.

The device is used for high power applications such as motor speed control, power generation, uninterruptible power supply systems and variable frequency drives. It is also suitable for use in parallel with other similar modules. This makes the device a suitable choice for applications that require both high power and high reliability, such as electric grid power transfer, electric traction, and industrial machinery.

The working principle of the DT250N20/14KOF power module is based upon the one thyristor principle. When a voltage of the proper magnitude is applied to the gate of the thyristor, a current is generated through the load. This current is then diverted and amplified by the snubber circuit, allowing the thyristor to switch on and conduct current through the load. When the current reaches a certain point, the thyristor turns off and the current is cut-off. This cycle is then repeated at a given frequency, allowing the power module to control the flow of current in the circuit.

In addition to providing power control, the DT250N20/14KOF can be used as a protection device to protect equipment in the event of an overload or short circuit. The device has built-in temperature and current sensors, as well as a reverse voltage blocking circuit. All of these features act together to make the device a safe and reliable power module for high power applications.

The DT250N20/14KOF power module is an excellent choice for applications requiring high power and reliability. The module is highly reliable, capable of withstanding high voltages and currents, and capable of withstanding temperatures from -50 to +125 °C. In addition, the device includes snubber circuits, temperature, and current sensors, as well as a reverse voltage blocking circuit, all of which act together to ensure safe and reliable operation of the device.

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