B554-2

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 semiconductor devices utilized in a number of electronics applications. SCRs, or modules, are used to regulate current and voltage flow within an electrical system. The B554-2 SCR is one such device, and its applications and working principles are discussed in this article.

The B554-2 module is a thyristor module designed for use in low power and medium power applications. It is a 4-pin, 3 terminal device with a maximum holding voltage of 150V and a maximum average on-state current rating of 5A. It is also capable of providing phase control, overload protection and anti-parallel protection. It can also be used in applications that require surge current protection.

The B554-2 module works in two primary stages. The first is the gate turn-off stage, which occurs when the gate voltage is below the turn-off threshold. In this stage, the module is not conducting current and is essentially acting as an open switch. The second is the gate turn-on stage, which occurs when the gate voltage is above the turn-on threshold. In this stage, the module conducts current, allowing current to flow between its two electrodes.

The B554-2 module is typically used in low power applications such as power supplies, motor drives and industrial, automotive, military and aerospace systems. In these applications, the module is used to regulate current and voltage flow, as well as to provide surge current protection. In addition, the module can be used to control the current and voltage of motors, ensuring that the motor is operating within the required parameters. The module can also be used to accurately control switching of loads.

The B554-2 module’s working principle is based on the use of two electrodes. The first electrode is the anode, which is connected to a voltage source or line. The second electrode is the cathode, which is connected to a load or return circuit. When a potential is applied to the anode, the module begins to conduct current, allowing current to flow between the two electrodes. The conduction of current is then regulated by the gate voltage, which can be used to both stop and start the flow of current.

The B554-2 module is typically used in many applications due to its ability to control current and voltage flow. Its ability to precisely control load switching also makes it especially useful for applications where precise current control is needed. In addition, the module can provide surge current protection and overload protection, as well as phase control, making it an ideal device for medium and low power applications.

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