SMAJ30A-QH

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

A TVS diode, or Transient Voltage Suppression diode, is a special type of semiconductor diode that helps protect sensitive electronic components from damage due to electrical transients induced by external sources. The SMAJ30A-QH is a dual-channel, bi-directional TVS diode commonly used in a wide range of applications. Its low leakage current, fast response time, and low capacitance make it suitable for use in high frequency data communication applications. In this article, we will explore the application fields and working principle of the SMAJ30A-QH TVS diode.

Applications

The SMAJ30A-QH TVS diode is a versatile solution, suitable for a wide range of applications. It is most commonly used in portable, battery-powered devices such as phones, tablets, and laptops, where it helps protect the device against damage from electrical transients. It can also be used in automotive electronics, where it helps protect the vehicle’s control systems from electrical surges caused by lighting or other sources. The SMAJ30A-QH’s low capacitance makes it suitable for use in high frequency data communication systems, as it does not significantly attenuate signals as it suppresses transients.

Working Principle

The SMAJ30A-QH TVS diode works on the principle of breakdown voltage protection. When a surge in voltage or current is detected, the diode will quickly switch on and act as a short circuit, redirecting the transient current away from the sensitive component to ground. This prevents the component from becoming damaged by the surge in voltage or current. The diode is bi-directional, meaning that it can detect and divert transients in both the positive and negative directions, making it suitable for use in both AC and DC applications. The diode is specially designed to be fast-acting, so that it can switch on and divert the current away from the sensitive component before it receives any damage.

Conclusion

The SMAJ30A-QH is a dual-channel, bi-directional TVS diode designed to protect electrical equipment from damage due to electrical transients. Its low leakage current, fast response time, and low capacitance make it suitable for use in a wide range of applications, including portable electronics, automotive electronics, and high frequency data communication systems. The diode works on the principle of breakdown voltage protection, quickly redirecting transient current away from the sensitive component to ground and protecting it from damage.

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