KER3125UL

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KER3125UL is a 1-channel bidirectional high power isolated thyristor switch, operating as a gate turn-on/turn-off switch, resulting in a compact isolated high power switching solution. The thyristor switch offers integrated phase shift control for the turn-on/turn-off process extending the usable power range. The thyristor switch operates from +/- 5V logic level control signal and provides an isolated source of up to 6A/25V. This isolated switch offers various advantages for the design of the electronic circuits. It enables functional isolation between the circuits connected to the switch, thus ensuring that the entire circuit functions properly. The integration of phase shift control aids in the reliable turn-on/turn-off process of the switch and avoids current or voltage overshoot.

KER3125UL is suitable for various applications including medical devices, automotive electronics, industrial automation, telecommunications, and consumer electronics, amongst many others. It can be used to control power supplies, current filters, motor drives, switching power absorption, and switching power dissipation. It is also useful in applications such as test processes, medical test benches, microprocessor controlled circuits, automated assembly lines, and other similar applications. Additionally, the integrated isolated switch is also useful in distributed power systems used in aircraft engines, gasoline engines, and in on-board diagnostics.

The working principle of KER3125UL is based on the thyristor switch. When a signal of +/- 5V is given to the control terminal, the turn-on/turn-off of the switch is implemented according to the phase shift control. This ensures that the turn-on/turn-off process is carried out in a safe and reliable manner and current/voltage overshoot is averted. During the turn-off process, the thyristor switch is constructed in such a way that the switching element removes electric charge from the gate resistor limiting the reverse current.

The switch also features overvoltage protection which enables it to effectively handle high voltages up to 25V. During the turn-on process, the gate voltage of the thyristor switch reduces as the voltage is applied to the load. This prevents any current from exceeding the maximum allowed current rating of 6A. In addition, the integrated phase shift control helps to avoid any current or voltage overshoot.

In conclusion, KER3125UL is a high power isolated switching solution which can be used for various applications requiring electrical isolation between circuits. Moreover, it offers a reliable and safe turn-on/turn-off process due to its integrated phase shift control. Furthermore, the overvoltage protection feature of the switch helps to handle high voltages up to 25V. For these reasons, this thyristor switch is an excellent choice for compact and efficient high power switching solutions.

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