Q4016NH3TP

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Thyristors - TRIACs

A TRIAC, or Triangle thyristor, is a semiconductor device closely related to an SCR (silicon controlled rectifier) and loosely related to a diode. It is a three-terminal dual off-state bidirectional device, where a current can flow through both polarities when the gates are triggered correctly. TRIACs are generally used to control the level of alternating current (AC) power, and they allow the user to turn on and off the circuit precisely or to regulate the amount of current in the circuit.

Q4016NH3TP is a type of generic TRIAC, with the features of quick turn-off time and low gate trigger sensitivity. Its standard packaging is the TO-220AB form and its peak repetitive off-state voltage is 400V, with a maximum surge current of 16A. It has a holding current of 4mA, and a trigger current of 25mA. It is a type of three-terminal, bidirectional device that has Gates, Anode and Cathode terminals. The function of the Gate terminal is to control the bidirectional conduction between the Anode and Cathode terminals in a circuit. The Gate terminal must be held at a positive level to open the bidirectional path. It is typically used for mains speed dimmers, motor speed control, temperature control and domestic appliances.

The working principle of Q4016NH3TP is quite simple. It mainly acts like an electronic switch by controlling the voltage between its Anode and Cathode terminals. When the Gate terminal is triggered by external circuitry, the device switches on and the voltage between the Anode and Cathode terminals increases to the peak value. If the Gate terminal is not triggered, the device will not switch on. It is important to note that the Gate control of the switching operation must be optimized – the device will not turn on if the Gate control is too low, and the device may suffer from excessive dissipation due to repeat heavy duty operation if the Gate control is too high.

Q4016NH3TP can be used for a wide range of applications, including light dimmers, motor speed control, temperature control, and domestic appliances. It can also be used as a replacement for SCR in many applications, such as in vending machine control, temperature control and in AC phase-angle control. It is suitable for industrial and commercial control applications, and it is specially designed to be rugged and reliable.

In conclusion, Q4016NH3TP are a versatile and reliable TRIAC, offering bidirectional current control, quick turn-on/off times and low gate trigger sensitivity. It can be used in a variety of applications, such as light dimmers, motorspeed control, temperature control, and domestic appliances. It is suitable for industrial and commercial control applications, and it is designed to be robust and reliable.

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