TMA126S-L

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Thyristors - TRIACs encompass a wide range of components used to control electrical and electronic current. Among the range of TRIACs, the TMA126S-L is a medium power device used for interfacing AC loads with DC power supplies. This component is used in applications where a wide range of on/off cycle rates and power ratings are needed.

The TMA126S-L is a two-terminal component with two independent gates and three terminals: the anode, the cathode and the gate terminal. The anode is the positive terminal and the cathode the negative one. The conduction of the TMA126S-L is triggered when there is a current flowing through the gate terminal. This is done by applying a positive voltage to the gate terminal, typically using an AC signal. The component also features a range of load ratings varying from 12 amps to 41 amps.

The TMA126S-L is typically used in applications where current needs to be controlled, such as in AC motors. The component\'s on/off cycle rate is determined by the AC signal applied to the gate. This enables users to adjust the motor\'s speed dynamically by adjusting the AC frequency. In addition to this, the component provides excellent thermal stability and good noise immunity. Other applications include AC lighting dimming, induction heaters, switching relays and AC power supplies.

The TMA126S-L has various operating principles, which are determined by the voltage applied to the gate. The component has three basic operating states: open, short and breaking. In the open state, no current flows between the anode and cathode. In the short state, the component is completely shorted except for a small forward voltage. In the breaking state, current passes through the component but can be easily interrupted by the gate voltage.

In summary, the TMA126S-L is a medium power device used in applications to provide AC current control. It is typically used in AC motor control, AC lighting dimmers, induction heaters, switching relays and AC power supplies. The component features two independent gates, three terminals and load ratings between 12 and 41 amps. The component\'s current flow is triggered by a voltage applied to the gate terminal, while its operating states are determined by the voltage applied to the gate. The component provides excellent thermal stability and good noise immunity.

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