TMA166G-L

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Thyristors - TRIACs are a type of semiconductor device used for controlling or regulating the flow of electrical current. The TMA166G-L is one such device of this family that has been designed for use in medium-voltage, high-current applications. The device is specified for operating temperature ranges from -20°C to +85°C and has been designed to provide outstanding performance in applications such as lighting control, switching, and motor speed control, among others.

The TMA166G-L is a three-terminal device, with an anode, gate, and cathode. The current flow through the device is determined by the gate signal. When no voltage is applied to the gate terminal, there is no current flow, and the device is in the “off” state. When a sufficiently positive gate control voltage is applied to the gate terminal, the device is said to be in an “on” state, and current flows up to a maximum value determined by the applied anode-to-cathode voltage.

The TMA166G-L is a three-phase thyristor with the ability to turn on the anode simultaneously in all three phases, allowing for the efficient use of power. This allows applications such as induction motor drives and adjustable-speed AC drives to benefit from improved power efficiency. It can also be used for driving gear motors as well as for lighting control.

The TMA166G-L also has the capability of phase shift control in applications requiring phase angle control. This is accomplished by applying a phase-shifting signal to the gate terminal, which causes the device to turn on the anode in each phase at the appropriate angle. This is useful when continuous and uniform power is required.

The device has been specified with a maximum off-state current of only 50μA. This low current draw ensures that it is an efficient and cost-effective device for a wide range of applications. Furthermore, the TMA166G-L is capable of operating with a maximum continuous current of up to 160A at a low switching frequency, for total power consumption of up to 25kW.

The TMA166G-L device offers excellent protection from thermal runaway and short-circuiting hazards. Its short-circuit protection is provided by a field effect transistor (FET) that is integrated into the device and is triggered by excessive current. This helps to ensure the reliability of the device in a wide variety of applications.

In summary, the TMA166G-L is a versatile and highly efficient three-terminal device that is ideally suited for use in medium-voltage, high-current applications such as motor speed control, lighting control, and phase shifting. It offers excellent protection against thermal runaway and short-circuiting hazards, and its low current draw ensures it is an efficient and cost-effective solution for many types of applications.

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