SMCJ17CAHE3/9AT Circuit Protection

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Transient Voltage Suppressors (TVSs) are widely used in many electronic applications to suppress voltage transients and protect circuits from damaging ESD events. The SMCJ17CAHE3/9AT is a surface-mount TVS diode of the unipolar, bidirectional variety, primarily designed for ESD protection of sensitive electronic components and systems.

This diode has two main features that make it an ideal solution for a wide variety of applications. Firstly, it has a wide operating voltage range of between 20 and 170 volts. Secondly, it is very fast and capable of reliably suppressing Voltage Transient Events (VTEs) that occur over very short duration timeframes. Together, these features make it a very versatile component that can be used in many different scenarios.

The SMCJ17CAHE3/9AT comes in an extremely compact 0.055 inch x 0.110 inch package, making it ideal for use in space-limited applications where space is at a premium. It also has an exceptionally low forward voltage drop of 0.15V and a clamping voltage of 17V, making it an excellent choice for protecting microprocessors, ASICs and other sensitive components from electrostatic discharge (ESD) events. Furthermore, this diode is capable of handling peak power surge currents of up to 17A, making it suitable for many high-power applications as well.

The working principle of the SMCJ17CAHE3/9AT is relatively simple. When an ESD event or Voltage Transient Event (VTE) occurs, the diode acts like a short circuit to direct current away from the protected component and dissipate the excess energy as heat. This effectively prevents the protected component from becoming damaged. The diode is also designed to protect against reverse polarity, so it will not become damaged when exposed to a reversed or inversion ESD event.

The SMCJ17CAHE3/9AT can be used in a variety of applications to provide protection against transient electrical events, including personal computers, consumer electronics, automobile electronics, cellular phones, and networking equipment. It is also well suited for use in medical and industrial electronics, as well as military and aerospace systems. In addition, this diode can be used in applications were space is at a premium and other SMD devices would be difficult to install.

In summary, the SMCJ17CAHE3/9AT is a versatile, high-performance surface-mount TVS diode suitable for a wide range of applications requiring reliable ESD protection and voltage transient suppression. With its low profile package and high-power surge handling capability, this diode is a great choice for designers looking for an economical and effective solution for protecting their sensitive components.

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