SZ1.5SMC22AT3G

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TVS - Diodes are an important protection device for electrical systems. They protect the systems from overvoltage that may be caused by transients, electrostatic discharge, static electricity, line disturbances, and lightning.

The SZ1.5SMC22AT3G is a TVS diode made by Zetex, one of the leading manufacturers of protection devices. It is designed for high surge withstand levels at up to 24kV in a bidirectional two lead configuration. It provides superior protection in applications where high currents, high voltages, and a bidirectional protection is required.

The SZ1.5SMC22AT3G offers a working voltage of 1.5V and a peak pulse power of 900W. It has a very fast response time of only 0.5 nanoseconds, and its dynamic resistance is less than 2.6ohm. This device can handle high surge current power of up to 75 amps. Its surge handling capability is at least twice the peak pulse power. These features make it ideal for high power/high voltage applications.

The SZ1.5SMC22AT3G application field includes automotive, electrical/electronics, telecom, and consumer applications. It is widely used in power supplies, network systems, and telecom/ISDN-LAN systems. In automotive applications, it provides reliable electrostatic discharge (ESD) protection and high level of surge protection for airbags and other components.

The working principle of the SZ1.5SMC22AT3G is based on the avalanche breakdown principle. When the voltage across the intrinsic region of the diode reaches a certain value, electrons and holes are accelerated to their breakdown velocity, which renders them unable to recombine as carriers and produces a low voltage drop across the diode. This allows the excess voltage to be discharged in a controlled manner, preventing damage or destruction of the connected equipment.

The SZ1.5SMC22AT3G is a highly reliable and versatile diode for protection of sensitive electronic components. Its wide range of voltage and current capabilities, its fast surge response and its reliable protection makes it an ideal choice for a variety of protection applications.

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