MPLAD18KP60CA

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Transient Voltage Suppressors (TVS) diodes are some of the most important components when seeking protection of electrical systems against high voltage, power management, and electrical noise. One such semiconductor device is the MPLAD18KP60CA, a Diode Module Array from Littelfuse.

The MPLAD18KP60CA is made up of two components which creates voltage clamping action to protect against electrical transients. The module consists of 18 low capacitance TVS diodes, with a peak pulse current of 600A, and a maximum clamping voltage of 60 Volts. It is rated for operation between -55 to +125 degrees Celsius.

The key features of the device make the MPLAD18KP60CA particularly suited to a variety of specific applications, and can be most broadly applied to transient voltage and over-current protection in portable electronic devices subjected to high voltage surges. It can also be utilized in automotive applications as an overvoltage protector in a single line system. It is especially effective in large systems such as those in charging infrastructure for electric cars, photovoltaic systems, and power supplies.

In terms of the working principle of the device, the two main components of the MPLAD18KP60CA work together to provide protection against transients. The first component is an electrically insulated diode array, with integrated parallel connection, which offers a low capacitance. The 19 diodes are configured such that they are all holding the same voltage. As surge voltages rise, the internally connected diodes begin to conduct, and the current climbs.

The second component of the module is a Zero Reverse Voltage TVS Diode, which features a special bypass structure of the current limiting device. This structure works to minimize any changes that may be caused by compensation circuit, low leakage current, and lower capacitance than traditional TVS devices. As surge voltages exceed the breakdown voltage of the device, current will begin to flow through the bypass structure. The combined effect of the four components of the module works together to protect against any transient voltages that may threaten to damage the system.

The MPLAD18KP60CA from Littelfuse provides excellent circuit protection in a wide variety of applications. Its low capacitance, low leakage current, and wide operating temperature range make it an ideal choice for applications such as portable electronic devices, automotive power systems, power supplies, and charging infrastructure for electric cars. By understanding the underlying components and working principle of the device, engineers can ensure proper installation and protection of their electrical systems.

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