QK016NH4TP

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Thyristors - TRIACs are a type of semiconductor devices that are frequently used in various electronic devices and applications. The TRIAC is a component that enables a user to control the direction and amount of current flow through the component. It is popular in applications that require switching in both directions, such as motor speed control, audio amplifiers and in lighting control systems.

The QK016NH4TP is a type of such TRIACs that is specially designed for use in residential or commercial medium power AC switching applications. Its structure is designed to optimize on-state current capability, commutation performance and a common cathode configuration that reduces wiring and assembly costs. The QK016NH4TP TRIACs has a maximum gate trigger current of 2.4A, an off-state voltage of 1200V and an on-state current rating of 16A. It also supports electrical power between 400V and 800V.

In terms of working principle, the QK016NH4TP TRIACs utilizes four layers of silicon material to create the equivalent of three bi-directional back to back SCRs (Silicon Controlled Rectifiers). These layers are connected together with contacts, forming the TRIAC. This component is then connected between two external terminals, with a gate terminal located on the internally created middle layer that provides the control over the on-state and off-state of the device. When a positive voltage is applied to the gate, it causes the low voltage control circuit to become conductive, enabling the current to flow through the circuit.

The QK016NH4TP is mainly used in residential or commercial lighting control applications, such as street lighting, tunnel lighting and landscape lighting. TRIACs such as the QK016NH4TP are also used for controlling dimmers on fans, low-voltage halogen and incandescent lighting, as well as controlling motors in AC electronic drives and in the industrial sector. It can also be used in AC home automation systems, such as microwave ovens, electric ranges and in many other household appliances and power tools. In addition, the higher power capability of the QK016NH4TP allows for a single device to service loads up to 1440W on 120V line voltages.

Overall, the QK016NH4TP TRIACs offers users a cost-effective and highly robust solution for residential and commercial AC switching applications. It features a wide operating voltage range, reliable commutation performance and offers a degree of flexibility for different installation requirements. This makes it an ideal choice for applications that require rapid and smooth switching of AC loads, needing both low and high power level.

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