P4KE180HE3/54

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TVS diodes are responsible for protecting sensitive electronic equipment and components from becoming damaged due to overvoltage surges. The P4KE180HE3/54 TVS diode is a unipolar transient voltage suppressor specifically designed for protection against electrostatic discharge (ESD) and lightning surges. It is suitable for transient voltage protection applications in a wide range of industries including automotive, consumer electronics, telecommunications, and computer/network technology.

The P4KE180HE3/54 is a high-performance diode that is certified to ESDA-6.1 and MIL-STD-785 standards and is rated for transient peak pulse power of 30.0 watts. The diode is designed so that it can withstand voltage transients up to a maximum of 180 volts while clamping peak current up to a maximum of 70 Amperes.

The working principle of TVS diodes such as the P4KE180HE3/54 operates on simple physics. When a voltage transient of much higher voltage than the threshold voltage of the diode is applied across the diode, the voltage in the diode’s junction rises. This causes the diode to turn on, allowing current to flow in either direction and thus protecting the protected circuit from overvoltage damage.

As the transient voltage decreases, the diode turns off and the voltage in the diode’s junction drops back to its standoff voltage range, regaining its default equilibrium state. The protected circuit is now safe from damage. The energy from the transient is dissipated as heat in the P4KE180HE3/54 diode, which is designed to dissipate such energy harmlessly.

The P4KE180HE3/54 TVS diode is primarily used in industrial, medical, automotive, aviation, and consumer electronics applications. The device’s fast response time of less than 5 nanoseconds ensures reliable protection against ESD and lightning surges in industrial and consumer applications. In medical and aviation applications, its wide operating temperature range (-55°C to +150°C) and low leakage current of 10 μA make it suitable for protecting sensitive electronic components. In automotive applications, the diode can be used to protect automotive sensors, ECUs, and other electronics from overvoltage surges.

The P4KE180HE3/54 TVS diode is designed to provide high-reliability protection against electrostatic discharge and lightning surges. Its fast response time and wide operating temperature range make it suitable for a wide range of applications across different industries. The device operates on a simple principle: when exposed to overvoltage transients, it turns on and allows current to flow, dissipating the energy of the transient and protecting the protected circuit from damage. Thus, it ensures reliable protection of a range of sensitive electronic components and devices.

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