BTA308S-800ETJ

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Thyristors are solid-state switching devices that are used to control the flow of current or voltage. A TRIAC is a three-terminal device, usually in a TO-220 or TO-3 package, within an insulated envelope. It behaves like two back to back SCRs connected in parallel, but the difference is that it has three terminals connected to the gate. The three terminals are named as ‘T1’, ‘G’ and ‘T2’. TRIACs (Triode for Alternating Current) are designed to switch AC voltage and are suitable for a variety of loads.

The BTA308S-800ETJ is a TRIAC with a blocking voltage of 800V. It has a sensitive gate that can be triggered by a voltage in the range of -1.6 to 1.6V. The BTA308S-800ETJ has a peak on state current of 8A and a gate trigger current of 80mA. The device supports phase control, full wave function and phase angle control applications up to 800V, 50/60Hz.

The BTA308S-800ETJ provides a range of features to improve circuit performance and make it suitable for use in various applications. The device has an integrated suppressor diode that helps reduce the EMI/RFI emission. The BTA308S-800ETJ also has a low current gate trigger and a high current pulse handling ability which makes it suitable for use in high-power switchgear. In addition, it has an internal temperature limiting feature that can help protect the load and prevent any thermal overloading.

The working principle of the BTA308S-800ETJ is based on the same principle as all other TRIACs. When voltage is applied to the gate, a dv/dt current is generated. This current charges the gate until its value reaches the breakover voltage. At this point, the device will turn on and current will start to flow through the main terminals. This device can be triggered from either end of the AC waveform, allowing it to be used in phase angle control as well as full wave applications.

The BTA308S-800ETJ offers several advantages to designers, such as its compact size, low gate current requirement and high power handling capability. It is used in a variety of applications including lighting, motor controls, heating controls and power switching. Its easy gate control and temperature protection feature make it an ideal choice for many AC control applications.

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