1.5KE350C-B

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A transient voltage suppressor (TVS) diode is an electrical component that can suppress or "absorb" short duration, high-amplitude spikes in voltage, such as those caused by electrical discharge events. They are commonly referred to as “electrical crowbars” because they have a high surge-current threshold, and when triggered they quickly disburse the current flow from the moment it triggered. This makes them useful in providing protection for sensitive electrical components, and they are often used to help protect sensitive electronic components from the damaging effects of electrostatic discharge (ESD).

The 1.5KE350C-B is a unidirectional, cylindrical-shape transient voltage suppressor (TVS) diode that has been designed for ESD protection. It is particularly well-suited for the protection of unitary voltage channels (e.g. video cards and digital home theatre systems) against voltage surges, electrostatic discharges (ESDs) and other high-frequency transients.

Application Field

The 1.5KE350C-B transient voltage suppressor diode is suitable for a wide range of application fields such as digital communication systems, consumer electronics, industrial control systems, automotive systems, and communication systems. Its high surge-current threshold and quick disbursement of the current when triggered makes it ideal for providing protection for sensitive electronic components from damaging ESD voltages.

The 1.5KE350C-B diode is particularly well-suited for the protection of unitary voltage channels from voltage surges, and it is ideal for protecting HDMI and DVI connectors from voltage transients. It can also be used in a wide range of applications where protection from high-frequency transients is necessary, such as LED lighting, solar cell inverters, and the automotive sector.

Working Principle

The 1.5KE350C-B diode is a unidirectional TVS diode that operates by deactivating or shunting a voltage surge to ground when triggered. This is achieved through its fast response time. The diode is triggered when the load voltage on the cathode side of the diode reaches the breakdown voltage of the device. When this happens, the diode will rapidly conduct and direct the current away from the load and safely to ground. This prevents the voltage buildup on the load side from exceeding the breakdown voltage of the load device and damaging it.

In addition, the 1.5KE350C-B features low capacitance, which allows it to protect high-frequency components more effectively from voltage transients. It also features a bidirectional flow, which enables it to protect components from both positive and negative voltage transients.

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