TMB206S-L

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Thyristors are commonly used to control large amounts of electrical current in areas such as motor control, light dimming, and power supplies. They are also used in AC circuits to provide phase control. Thyristors are semiconductor devices that are effectively three diodes in one package. One of the most popular types of thyristors is the TRIAC. The TMB206S-L is an example of a TRIAC.

TMB206S-L

The TMB206S-L is a silicon bidirectional TRIAC with built-in gate protection. The electrical characteristics of this device include a blocking voltage of 600V, on-state current of 2A, and a maximum gate trigger current of 1.5mA. It also features an anti-parallel diode and gate protection diode.

Application Field

The TMB206S-L is primarily used in motor speed control, lamp dimming, temperature control, and various power supplies. It has found wide application in areas such as industrial, commercial and residential electrical appliances, including fans, stoves, washing machines, TV sets, air conditioners, and other household equipment.

Working Principle

Basically, the TMB206S-L works by allowing current to flow in both directions across it during a given period of time. A TRIAC is a four-layer semiconductor device with three junctions that are activated by a negative gate voltage. When the gate voltage is negative and of sufficient magnitude, the TRIAC will turn on, allowing current to flow in both directions through the device. The magnitude of the gate voltage determines the amount of current that is allowed to flow through the device.

When the gate voltage is removed, the TRIAC will turn off, cutting current flow. In order to achieve full power control and phase control, the TMB206S-L must be cycled on and off quickly using PWM (Pulse Width Modulation) techniques. PWM techniques are used to control the timing and duration of the TRIAC\'s conduction period, and can be used to control the amount of current that is allowed to flow through the device, thus achieving full power and phase control.

Conclusion

The TMB206S-L is a popular TRIAC device with a wide range of applications. It is used mainly in motor speed control, lamp dimming, temperature control, and various power supplies. The TMB206S-L is a four-layer semiconductor device with three junctions that are activated by applying a negative voltage to the gate. When the gate voltage is negative, the TRIAC is turned on, allowing current to flow as determined by the magnitude of the gate voltage. The TMB206S-L can be quickly cycled on and off using PWM techniques to control the conduction period and the amount of current that is allowed to flow through the device, thus achieving full power and phase control.

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