M15KP180CA

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TVS (Transient Voltage Suppression) diodes serve as an overvoltage protection device by clamping the voltage level at a safe level during over voltage transients. TVS diodes are used to protect I/O ports, UARTs, DVI ports, communication lines, power buses, wires and equipment from overvoltage events. The M15KP180CA is a popular unidirectional TVS diode manufactured by Littelfuse.

The M15KP180CA is an ultra-low capacitance, 150W unidirectional TVS diode with a peak pulse power of 1500W. It has a breakdown voltage of 15V and a maximum ESD Clamping Voltage of 28V. The maximum operating capacitance is 0.2pF and the maximum leakage current is 5mA. The diode is capable of clamping up to 1ms pulse withstanding voltage transients up to 1000V and is available in 0805 and SMA packages.

The M15KP180CA is suitable for use in a variety of systems and applications. It can be used in Automotive and Industrial applications, particularly as an ESD protection diode for USB ports, LAN ports and communication lines. It can also be used in high-reliability critical applications such as medical and aerospace systems. The wide operating temperature range (-45°C to +175°C) also makes it suitable for use in extreme temperature environments.

The M15KP180CA protects against overvoltage transients via a working principle involving the breakdown of the diode’s depletion region. This occurs when the value of forward voltage, applied to the diode, exceeds the specified breakdown voltage. When this occurs the depletion region is effectively reduced to zero and a large current flows, causing a rapid voltage drop across the diode. This voltage drop helps to limit the voltage spike and clamp the voltage level at a safe level.

The M15KP180CA is a widely used, reliable and cost effective unidirectional TVS diode that is suitable for use in a variety of application fields. Its low capacitance helps to reduce EMI (electromagnetic interference) while its low leakage current ensures minimal power consumption. The wide operating temperature range also makes it suitable for use in extreme temperature environments.

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