BTA208X-1000B,127

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Thyristors - TRIACs are semi-conductor devices used for controlling current. They are basically a three terminal power semiconductor device with its own internal gate-drive circuitry and are a type of thyristor. The BTA208X-1000B Triac is a silicon, bidirectional, high speed, high voltage AC switch with a sensor pin for AC signal descrimination and provides excellent off-state capability.

Features of BTA208X-1000B Triac:
• High voltage semiconductor power switch
• High commutation capability
• Very sensitive AC sensing capability
• Low off-state output capacitance
• Low on-state voltage drop
• Short switching time
• Maximum power capability: 200W

Application field and working principle of BTA208X-1000B Triac:

Application field: The BTA208X-1000B Triac is suitable for AC switching and phase control applications in the field of energy efficient light dimming, motor speed control and other power controlling applications.

Working principle: The BTA208X-1000B Triac has three terminals: Gate, Main terminal MT1 and Main terminal MT2. The Quasi-latching principle is used for controlling the principle of the Triac. When a positive voltage is applied to the gate, the Triac is triggered and then the current flows between MT1 and MT2.

The BTA208X-1000B Triac is also equipped with an AC sensor pin which allows the device to discriminate between positive and negative input AC signals. When a positive AC signal is detected, the Triac is turned on, allowing the current to flow. When a negative AC signal is received, the Triac is turned off, preventing the current from flowing. This feature allows the device to be used for accurate AC control, such as in lighting and motor control applications.

In conclusion, the BTA208X-1000B Triac is a reliable and efficient power semiconductor device ideal for AC switching, phase control and power controlling applications. It provides excellent off-state performance and extended life operation. The Quasi-latching principle along with the AC sensor pin guarantees accurate AC control making it an ideal choice for a variety of applications.

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