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TVS - Diodes

DF6D5M4N and LF series are two of the most popular TVS (transient voltage suppressor) diodes used in the electronics industry. TVS diodes are semiconductor devices that are specifically designed to protect other semiconductor devices from high-voltage transients such as those caused by electrostatic discharge (ESD).

Application Field

Both the DF6D5M4N and LF series are designed to protect sensitive electronic components from transient overvoltage surges. They are popularly used in a wide range of consumer electronic products such as cell phones, laptops, tablets, and computers. They are also used in industrial applications, particularly in power conversion applications such as motor controllers, inverters, and voltage regulators. In addition, they are also used in low-voltage DC and AC power supplies like DC-DC converters.

Working Principle

TVS diodes protect other semiconductor devices from transient overvoltage events by clamping the voltage to a predetermined level. They do this by clamping the voltage with a reverse-biased diode junction. In TVS diodes, the diode junction is designed to be avalanche breakdown-type, which enables it to handle much higher reverse voltages than conventional diodes. Moreover, the junction is designed to provide a low-impedance path for the diverted transient current, allowing it to respond quickly and efficiently to transient overvoltages.

In operation, TVS diodes are connected between the power supply and the load in parallel. When the input voltage exceeds the TVS diode’s breakdown voltage, the device will conduct and dissipate the excess energy as heat. This protects the load from exceeding its maximum voltage rating and suffering damage from the surge. TVS diodes can handle very high surge current levels, which makes them an ideal solution for protecting sensitive electronic components from ESD and other transient overvoltage events.

DF6D5M4N and LF series are two of the most popular TVS diode solutions. They offer excellent protection against transient overvoltage events such as those caused by ESD. Both product lines offer a wide range of features that make them suitable for a variety of applications, from consumer electronics to industrial applications.

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