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Thyristors - TRIACs

BTA310-600E,127 Application Field and Working Principle

A Thyristor-TRIAC, also known as a TRIAC (Triode for Alternate Current), is a semiconductor four-layered, three-terminal device which is used for switching, controlling and phase control of Alternating Current (AC). The BTA310-600E,127 is a high-performance and cost-effective TRIAC suitable for a wide range of consumer, industrial and automotive applications. The device is designed and manufactured to maintain reliable and repeatable operation over a broad range of environmental and operation conditions.

The BTA310-600E,127 has an off-state blocking voltage of 600 volts and a turn-on voltage of 4-10 volts. In the off-state it will be reverse blocked and during the on-state its on-state drain current is 400 mA. It can be triggered with a gate voltage of 5-10 volts. The device is RoHS compliant and Lead free.

Applications of BTA310-600E,127

The BTA310-600E,127 is ideally suited for use in a wide range of applications. These include but are not limited to:

• Industrial and consumer motor drives
• AC switching applications
• Phase control applications
• Lighting and dimming applications
• Power supply switching applications
• Voltage-controlled oscillator (VCO) circuits

Working Principle of BTA310-600E,127

The BTA310-600E,127 functions as a bilateral switch which controls the AC-current waveform primarily during the commutation period. The device is composed of two separate active regions. The two diodes are connected in series between the voltage and gate terminals, while the two diodes are alternately connected in parallel between the voltage and gate terminals at each commutation period. The operation of the Thyristor-TRIAC (BTA310-600E,127) can be divided into two main phases.

In the off-state, a reverse blocking voltage is applied across the terminals resulting in reverse biasing of the junction. In the on-state, a voltage from the gate terminal is applied across the terminals and currents are allowed to flow in both directions. In addition, the current flow through the Thyristor-TRIAC can be controlled by modulating the gate current. This allows for the device to be used for applications such as phase control in AC circuits.

The BTA310-600E,127 is a robust and reliable semiconductor device suitable for a wide range of applications. It is designed to provide accurate switching and control of AC current and voltage signals.

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