Q4008NH4TP

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Thyristors, also known as Silicon Controlled Rectifiers (SCRs), are a type of electronic component which can control the flow of an electrical current. TRIACs are a particular type of Thyristor which allow the flow of electrical current both ways (on to and off then off to). The TRIACs large range of useful application fields coupled with its unique ability to switch rapidly makes it essential in many electronic projects. A TRIACs main working principle relates to how two Thyristors can act as a voltage switcher, allowing the current to flow with either positive or negative voltage.

Q4008NH4TP is a Thyristor – TRIACs developed by STMicroelectronics. It is a general-purpose TRIAC intended for all kinds of switching and variety of control applications. It can be used in mains or other high-voltage AC applications where load currents up to 4 A RMS can be interrupted. The device features a glass passivated junction, four anode and cathode terminals and an enhanced amine efficiency.

The main application field of Q4008NH4TP is switching and control in AC circuits. It is commonly used for resistive and inductive loads, for example, in the control of heating elements and motors, or other applications in general household equipment, like washing machines and ovens. It provides fast and reliable control on a wide range of voltage levels, making it suitable for both industrial and consumer applications.

The working principle of Q4008NH4TP involves two Thyristors with gate junctions integrated in the same silicon chip. When a gate current is applied, one Thyristor will be triggered into conduction, allowing the current to flow. When the current is then removed, the other Thyristor will be triggered, allowing the current to be reversed and flow in the opposite direction. This unique ability makes it possible to apply a voltage waveform which can be switched on and off rapidly, without the need for a mechanical switch.

The numeric values of the device’s parameters are provided below as reference:

• Repetitive peak off-state voltage: 400 V
• On-state RMS current: 4 A
• Minimum gate trigger current: 5 mA
• Stand-off voltage: 5 V
• Controlled AC current: 4 A

In conclusion, Q4008NH4TP is an ideal solution for general-purpose switching and control in AC circuits. It provides fast, reliable and efficient switching with limited losses and noise. The device possesses an unprecedented range of application fields, making it essential in many electronic projects.

The specific data is subject to PDF, and the above content is for reference