SZ1.5SMC30AT3G

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Transient Voltage Suppression (TVS) diodes are devices used to protect circuits from transient over-voltage surges and spikes, usually found in industrial circuits and communications systems. SZ1.5SMC30AT3G is a TVS diode designed for steadier and more reliable protection against voltage transients up to 1.5KV peak pulse power. It is composed of a semiconductor substrate layer and two electrodes, an anode and a cathode, which are arranged in a linear or planar configuration. The anode and cathode are connected through a reverse body diode, forming a voltage spike protection circuit.

An external circuit connected to the SZ1.5SMC30AT3G diode will experience an increased amount of current flowing through the device when a voltage exceeding the breakdown voltage is applied. This initiates a breakdown of the reverse body diode, resulting in a current spike that is diverted away from the circuit.

When a transient voltage spike exceeds the maximum serviced by the SZ1.5SMC30AT3G diode, a high-frequency current spike is generated as the reverse body diode conducts. This current spike travels through the diode onto the anode electrode, where it is converted to heat to dissipate the energy. Once the diode has conducted, the body diode acts as an open circuit, blocking further current flow. As a result, the transient voltage is reduced to a safe level and the circuit protected from damage.

The SZ1.5SMC30AT3G is an essential component for many types of applications, such as automotive, communication, computing, consumer electronics, industrial automation, and medical systems. Its high-speed response time, low capacitance, and high surge current capacity make it ideal for protecting sensitive electronic circuits from voltage spikes. It is also designed with excellent long-term stability, more than 1000 hours of high operational temperature stress, and is qualified to industrial standards.

In summary, the SZ1.5SMC30AT3G is a practical, cost-effective solution for circuit protection from transient voltage surges. Its excellent stability, response time, and surge current capacity make it suitable for both commercial and industrial applications. It is an effective way to protect circuits from damage due to voltage overloads and also provide an extra layer of protection for important, sensitive components.

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