C388PB

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Thyristor is a type of electronic components which is widely used in industry fields. The power thyristor, also known as an SCR or silicon-controlled rectifier, is an electronic switching device found in a wide variety of power control applications, including overload protection and power control. C388PB is one of typical SCRs, which has many application fields and well known for its reliable working. Below we will discuss the application fields and working principle of C388PB.

C388PB is mainly used in power control devices such as motor drives, soft-start controllers, automotive electronics, and other heavy duty applications. It is a sensitive gate thyristor with average on-state current capability of 8A and peak on-state pulsed current capability of 19A. It is available in a TO-220AB package, providing a variety of mounting methods for a variety of application spaces. And it has a high on-state current capability makes it suitable for larger motor drives and soft-start controllers. It is also used in automotive models for contactors, headlights, windshield wipers, and audio systems.

The working principle of C388PB is based on the operation of a thyristor device. A thyristor is a four-layer semiconductor material combined with off, on, and reverse-blocking capabilities. The C388PB thyristor is a three-terminal device with a gate, an anode and a cathode. When gate to the anode node, the gate terminal must receive a trigger voltage in order for the device to become active, allowing current to flow from the anode to the cathode terminals. Therefore, by applying the desired gate voltage, the amount of current flowing through the anode to the cathode can be adjusted.

The C388PB thyristor\'s parameters are precisely designed to provide excellent performance with low power consumption and long device life. It has a triggered gate peak current of 630mA and a gate trigger voltage of 7V. It has a maximum allowed gate on-state voltage of 10V and a maximum off-state voltage of 800V. The device features a minimum holding current of 8A, a maximum switching current of 19A, and a maximum average on-state current of 8A.

The C388PB thyristor is a versatile device with excellent characteristics and wide application range. Its good on-state characteristics, low gate current and medium pulse current capability make it an ideal solution for motor drives, soft-start controllers and automotive electronics. Its good protection capabilities for overload protection and high-temperature operation make it suitable for more stringent conditions, such as power supplies and overloads involving higher voltage and current ratings.

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