TMB166S-L

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Thyristors, also known as TRIACs, are digital switching devices based on semiconductor technology. TRIAC is an acronym for triode, which is a three-layer solid-state switch. TRIACs are widely used in controlling, stabilizing, and regulating the current or voltage in a variety of industrial, commercial, and residential applications. A typical application of a TRIAC is to provide switching, control, or protection in electric motor control, lighting dimming, and motor speed regulation.

TMB166S-L is a TRIAC device manufactured by Toshiba, and is widely used in the industrial, commercial, and residential application areas. The TMB166S-L is designed specifically for the control and protection of small residential and commercial applications. It has a symmetrical, three-layer, thyristor structure, which enables it to operate with higher current voltage ratings than other devices of similar size and cost.

The TMB166S-L TRIAC has a device type of MTB206F, a maximum working voltage of 420V, a maximum holding current of 10A, and a maximum commutating peak current of 5A. It is a 600V, 6A drain current TRIAC with a 3A gate current and a breakover voltage of 600V. It has an operating temperature range of -40°C to + 85°C and a power dissipation range of 25°C/W.

The TMB166S-L TRIAC is designed to be used in motor control, lighting dimmer, speed regulation, and other applications. It can be used for controlling and switching an AC power source, and for controlling and triggering an AC load. It can also be used for dimmer control, motor speed regulation, and power factor correction.

In terms of working principle, TMB166S-L TRIAC is like a three-terminal device with two terminals (main or main gate and auxiliary or main gate) controlling the amount of current flowing through it. When a small AC voltage is applied to the gates of the TRIAC, the main gate allows a large amount of current to flow through the main terminal. When the current level reaches a certain threshold, the auxiliary gate will open and allow the current to reverse its flow, thereby triggering the TRIAC. This allows the TRIAC to switch ON and OFF at will.

Overall, TMB166S-L is a TRIAC device designed to control and protect small residential and commercial applications which require stable, predictable, and reliable switching. It can be used for a wide range of applications such as motor control, lighting dimming, speed regulation, and power factor correction. Its symmetrical three-layer thyristor structure enables the TMB166S-L TRIAC to operate with higher current and voltage ratings than other devices of similar size and cost.

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