SMDJ90A-HR

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TVS (Transient Voltage Suppressor) diodes protect electronic circuits from potential damage caused by electrical transients or surges. Among the many types of TVS diodes available to the market, SMDJ90A-HR is one of the most popular choice. This diode boasts a very robust design and can easily handle transients up to 9.0 kilovolts.

SMDJ90A-HR is a unidirectional TVS diode with a reverse stand-off voltage of 18 volts. It is rated to handle peak pulse power of 500 Watts per line. This diode has an integral monolithic construction, allowing stable electrical characteristics and reliable performance. It is also temperature-stable, able to maintain its performance even in extreme temperatures.

With its unique design and high reliability, SMDJ90A-HR has become the go-to option when it comes to protecting semiconductor devices and circuits from high voltage surges. Industries such as automotive, telecommunications, consumer electronics, medical, industrial, and aviation all rely on SMDJ90A-HR to protect their sensitive electronic components.

When it comes to the working principle of SMDJ90A-HR, it utilizes aluminum oxide as a dielectric and zinc oxide as a semiconductor material. The aluminum oxide helps the zinc oxide to reduce the current flow, while the zinc oxide acts as an insulating material between the two opposing grains. When the voltage exceeds the allowed limit, the zinc oxide breaks down and allows the current to flow freely. This process is known as a breakdown point.

When the voltage returns to a safe level, the device once again stops the current flow. This allows the device to reset itself and be ready to protect again. The SMDJ90A-HR device is designed to protect sensitive electronics from damage caused by high voltage transients, including ESD strikes, motor spikes, power surges, and so on.

In summary, SMDJ90A-HR is an essential component for protecting semiconductor components and sensitive circuits from high voltage surges. Its integral monolithic construction ensures consistent performance and reliable protection at various temperatures. Its breakdown point and reset point allow it to be ready again for protecting any time it encounters a surge.

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