2N1801

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, also known as silicon controlled rectifiers (SCRs), are power electronic components that can act as electronic switches that allow current to pass through them when they are triggered. The 2N1801 SCR is a three-terminal specific thyristor with a large off-state voltage ( VDRM= 200V) that can handle high currents up to 10A.

The 2N1801 is a fast SCR and can be used for a variety of applications including motor control, power supplies, AC line monitoring and dimming, static relays and over-voltage protection. In motor control, the 2N1801 can be used to control the speed of an electrical motor by controlling the voltage applied to it. In power supplies, the 2N1801 can be used to control the flow of current thus regulating and controlling the output voltage. Similarly, it can also be used in AC line monitoring and dimming applications to regulate the flow of current and hence the output voltage. Another application possible with the 2N1801 is static relays where the SCR can be triggered by an input signal and thus control the flow of current. Lastly, it can be used to provide over-voltage protection by triggering the SCR and preventing the damage caused by high voltages.

The working principle of the 2N1801 involves controlling the current flow through it by triggering the gate voltage. The gate voltage is a level of voltage applied to the gate terminal of the SCR that is responsive to an external signal. When the voltage applied to the gate terminal rises above a certain level, the SCR is ‘triggered’, allowing it to pass current from its anode to its cathode. This process is the key to the successful operation of the SCR and thus the 2N1801.

In summary, the 2N1801 is a versatile thyristor SCR and can be used for a variety of applications such as motor control, power supplies, AC line monitoring and dimming, static relays and over-voltage protection. It works by controlling the current flow through it by triggering the gate voltage.

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