SMAJ22HE3/5A

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The SMAJ22HE3/5A is a bi-directional Transient Voltage Suppressor (TVS) diode which is rated for a peak pulse power of 600W (10/1000 μs). It is one of many devices in the SMAJ series, with other members rated for other peak pulse powers or various package types.

This diode is mainly used to protect sensitive electronics from voltage spikes caused by Electrostatic Discharge (ESD), Electrical Fast Transient (EFT) and Lightning Induced Transients (LIT). These transients are generated when two objects with different electrical potentials come into contact with each other, thus providing a quick burst of charge to the electronic devices. This causes a high peak pulse of voltage which can damage the electronic devices. The SMAJ22HE3/5A is designed to protect from this sudden over-voltage by utilizing its clamping voltage and low breakdown voltage to avoid major damage in the connected elements.

The SMAJ22HE3/5A has a breakdown voltage of 22V with a maximum clamping voltage of 41.4V. Additionally, it has an operating temperature between -55°C to +175°C and a maximum peak pulse power of 600W (10/1000 μs). It also has an excellent surge handling capabilities with a maximum recommended reverse leakage current of 40mA.

The SMAJ22HE3/5A works by placing the diode across the load, connecting one terminal to the ground and the other to the power source. When the voltage across the terminals exceeds the diode\'s breakdown voltage, it will conduct and transfer the excessive voltage as electric current to the ground, protecting the load from the overvoltage. This is known as the clamping voltage of the diode.

The low breakdown voltage of the SMAJ22HE3/5A makes it an ideal choice for protecting sensitive electronics from overvoltage transients. The device is simple to install, requires little space, and its low leakage current and quick response time ensure that it offers reliable protection to the connected electronics. The device is also quite versatile, as it can used in a variety of applications involving different voltages and amperages.

In summary, the SMAJ22HE3/5A is a bi-directional Transient Voltage Suppressor (TVS) diode with a breakdown voltage of 22V and a clamping voltage of 41.4V. It is typically used to protect a load from overvoltage transients and is often employed in a range of sensitive electronics applications. The device is simple to install, highly reliable in performance, and offers excellent surge handling capabilities.

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