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TVS - Diodes

TVS (Transient Voltage Suppressor) diodes are used for protection of system components or data lines from over-voltage transients.This type of diode is composed of two series diodes connected in inverse polarity configuration. It has a unique capability of protecting system or data lines from over-voltage transients. It has high peak pulse power rating, low junctions capacitance, small size and excellent clamping capability.

P4SMA62CAHE3/61 is a type of TVS diode. It is a diode array designed to protect circuits against destructive voltage transients caused by electrostatic discharge (ESD) and indirect lightning strikes. It has a working voltage of 6.2V, peak pulse current of 62A, peak pulse power of 225W, and a peak pulse voltage of 12V. It is made with a lead-free hermetically sealed ceramic package.

Application Field

P4SMA62CAHE3/61 is used in a variety of applications, such as telecom and data communications lines, embedded CPUs, PDAs, portables, and USB interfaces. It is ideal for applications involving high voltage transients, due to its low junction capacitance, small size and excellent clamping capability. It can also be used in consumer electronics, such as digital cameras and LCD/CRT monitors, for protection against electrostatic discharge.

Working Principle

The working principle of P4SMA62CAHE3/61 lies in two series diodes connected in an inverse polarity configuration. During normal operation, the diode is in a reverse biased state, which means that the anode is lower than the cathode in voltage. When an over-voltage transient occurs, the voltage across the two series diodes is forced to a higher level, causing the diode to conduct. This clamps voltages back to within the specified voltage limit and protects the system or data line against destructive transients.

Once the transient voltage is clamped, the diode is returned to its reverse-biased state, ready to clamp any future transients. This diode’s ability to conduct large pulses of current and dissipate large amounts of power make it suitable for high-voltage applications.

P4SMA62CAHE3/61 is a type of TVS diode which is suitable for high-voltage protection in a variety of applications. Its unique ability to clamp over-voltage transients makes it an essential component for system and data line protection.

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