5KP170

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TVS (Transient Voltage Suppressor) diodes are electrical components which protect other devices from electrical transients, or power surges. In this context, electrical transients are short-term, high-voltage, electrical spikes that can damage electrical components electrically, or create sparks between contact points on printed circuit boards. TVS diodes are designed to reduce the effects of over-voltage and under-voltage transients, or "spikes", which can cause havoc in circuits, motors, and other electrical equipment, as well as prevent electrical shock or electrocution. The 5KP170 is a TVS diode made by Littelfuse.

The 5KP170 is a unidirectional (one way) Voltage Suppressor Diode that offers high-speed clamping protection to shielded communication lines such as IEC 61000-4-5 (Lightning), DIN VDE 0435-303 (Burst) and Telcordia GR-1089-CORE (Surge). This diode is designed to protect 10/100 BaseT Ethernet data lines from overvoltages, spikes, and ESD (electrostatic discharge) damage. It has a transient voltage rating of 227.5V Peak, a current rating of 5A Peak, and is in a 6-pin SOD-323 package, allowing it to be easily integrated into a design.

The main benefit of the 5KP170 is its ability to provide protection without affecting the signal, resulting in zero insertion loss. This means that it can be used in applications which require fast data transmission speeds. Its low capacitance also makes it ideal for Ethernet, USB, and other data signals. The SOD-323 package also helps reduce the size of the circuit board as well as improve reliability. It is rated for operating temperatures from -55°C to 125°C, making it suitable for a wide range of applications.

The working principle of the 5KP170 is quite simple. It consists of two separate segments made up of P-type and N-type material. When the diode is reverse-biased, the anode and cathode are kept apart and no current passes through the diode. When the device is forward-biased, or subjected to an over/under voltage, the circuit is broken and the two segments are forced together. This creates a short circuit, drawing away the excess current and thus protecting the circuit from damage.

The 5KP170 is a versatile and reliable TVS diode suitable for a variety of applications. It is ideal for lightning protection, ESD protection, over/under voltage protection, and surge protection. It is widely used in automotive, industrial, and telecommunications applications. It provides superior protection against high transients and can help prolong the life of sensitive equipment.

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