TMA164B-L

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Thyristors - TRIACs are a type of semiconductor that combines both an SCR and an Diac into one package. The TMA164B-L is a three quadrant TRIAC, which has two anodes and one gate. It is most commonly used in AC phase control and is capable of commutating current in either direction. The TMA164B-L can handle up to 600V. It is available in the hermetic TO-246AA package and the main applications are AC switching and phase control for industrial and domestic systems.

The basic working principle of the TMA164B-L is to switch on and off the input signal applied to its gate. Once activated, the TRIAC acts like an open circuit and is capable of carrying current in either direction. This allows for a higher efficiency of operation for many applications compared to other types of SCRs. When a signal is applied to the gate, the TRIAC will turn on, allowing current to flow and remain on until the current drops below its holding current level. This allows for the control of what is known as the \'phase angle\'.

The TMA164B-L can be used in a wide range of AC switching and phase control applications such as motor speed controls, lamp dimming, relays, and photoflash controls. As mentioned earlier, due to its bidirectional ability, the TRIAC can also be used in AC current commutation applications such as AC motor starting, invertors, semiconductor heating and cooling. In additional, the TMA164B-L can also be used for interfacing with PLCs for various applications.

The TMA164B-L is an ideal solution for a wide range of applications because of its robust design, high switching speed and bidirectional commutation capability. Its main advantages are its high voltage and power capabilities, robust package and high reliability. The TMA164B-L is rated for maximum junction temperature and has an Anti-Parallel Diode (APD) included in the package to protect against inductive and capacitive load switching.

The high voltage and power capabilities of the TMA164B-L make it an ideal solution for many industrial and commercial AC switching and phase control applications. The package breakdown voltage and peak overload current are some of the ratings used in selection of a suitable device for a particular application. When selecting a TRIAC for a particular application, one should also consider the on-state current, gate trigger current and gate trigger voltage of the selected device.

In conclusion, the TMA164B-L is a three quadrant TRIAC which is capable of AC switching and phase control in many different applications. With its high voltage and power capabilities, robust package design, and high reliability, the TMA164B-L is an ideal choice for many applications. Its bidirectional commutation capability makes it perfect for AC motor starting, invertors, semiconductor heating and cooling, and for interfacing with PLCs.

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