TMA86S-L

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Thyristors - TRIACs are components used to switch high voltages and moderate currents and have many applications, especially for controlling motors. One of the most commonly used components in this category is the TMA86S-L, a bi-directional triode thyristor (TRIAC) with an integrated gate. This article will discuss the application field and working principle of the TMA86S-L.

The TMA86S-L can be used in a wide range of application fields including marine, industrial, automotive, and home appliances. In these applications, it can be used to switch high voltage and moderate current up to 1600V, 20A and 3A gate current respectively. It is suitable for control of power supplies, heaters, lights, and can also be used as a rectifier for AC-DC conversion. In industrial applications, it is often used for motor speed controllers, solid-state relays, lighting dimmers, and circuit breakers.

The working principle of the TMA86S-L is based on the principle of a silicon-controlled rectifier (SCR). The device consists of two interconnected PN junctions, with the gate connected to the base. When a gate current larger than a certain value is applied, current flows through the device, which then conducts until the current is lower than a certain limit. This process can be reversed by applying a negative gate current, effectively making it a bi-directional switch.

The TMA86S-L has a wide operating temperature range of -55°C to 125°C, which makes it suitable for many temperature-sensitive applications. It can be used in a variety of different circuit configurations, including series and parallel, to control the current and voltage. Due to its robust construction, it is also very reliable in operation.

Overall, the TMA86S-L is a very versatile and reliable bi-directional TRIAC suitable for a wide range of application fields. Its straightforward working principle and wide operating temperature range make it ideal for many applications. It is also very reliable in operation and can be efficiently used in a variety of different circuit configurations.

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