BT169G,112

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Thyristors - SCRs, also known as Silicon Controlled Rectifiers, are solid-state devices that are commonly used as electronic switches, gate turn offs or controls in a wide range of applications. They are designed to switch on and off in response to an external signal and can be used for controlling high-voltage and/or high-power electrical circuits. The BT169G,112 is one such thyristor frequently used in industrial and commercial settings. This article will discuss the application fields and working principle of the BT169G,112.

The BT169G,112 is a silicon-controlled rectifier with thyristor gate voltage source as its external control unit. It has a rated avalanche current of 8A, maximum peak inverse voltage of 800V and a maximum temperature rating of 135°C. The BT169G,112 is used in various applications such as motor speed control, lighting control, power switching and static switching in converters and inverters. It can also be used for thyristor commutation in DC circuits or for AC-DC rectification control.

In motor speed control, the BT169G,112 is used to rapidly open and close the thyristor to regulate the motor speed. By controlling the AC voltage, the motor speed is consequently adjusted. In lighting control, the BT169G,112 is usually connected in series with a light bulb to the AC power supply line and it is used to open and close the circuit according to a pre-programmed cycle. This can be used for dimming lights or switching on/off from a remote location. In DC control applications, the BT169G,112 electric switch is also used to rapidly switch the DC circuit in order to reduce electric surges and spikes. In AC-DC rectification control, the BT169G,112 can be used to control the rectification circuit. By rapidly switching the AC current on and off, the DC output can be altered.

The working principle of the BT169G,112 thyristor is based on a bridge rectification process. Its four terminals - anode (or positive terminal), cathode (or negative terminal) and two control terminals- are connected across a direct current source. When a positive voltage is applied to the control terminal, the thyristor is turned on and when a negative voltage is applied to the control terminal, the thyristor is turned off. The BT169G,112 also has a unique feature of having a trigger time. This allows the device to turn on and off within a given time frame which is determined by its trigger time. This ensures that the device is not damaged due to prolonged power supply.

The BT169G,112 thyristor can be used in a wide range of industrial and commercial applications where a reliable electronic switch is required. It has a solid-state design with the capability of switching the electrical circuit on and off quickly. Additionally, its trigger time feature prevents electrical overloads or damages caused by prolonged power supply. Thus, the BT169G,112 is well-suited for applications where reliable and fast switching is necessary.

The specific data is subject to PDF, and the above content is for reference