SZ1SMC51AT3G

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The SZ1SMC51AT3G is a Lightly Clamped 600W uni-directional TVS diode from Littelfuse. This diode offers a breakdown voltage of 15.5V with an operating junction temperature of up to +175°C. This diode provides a low capacitance (<1pF) solution for protecting high-speed data interfaces. As part of the Transil family, this diode is designed to reduce the passage of high voltage transients typically seen in a communication auto line, power supply, I/O, or protection from electrostatic discharge (ESD).

The SZ1SMC51AT3G is used in a variety of applications, such as automotive, consumer, and industrial electronics, personal computers, servers, power supplies, and communication systems. It offers enhanced surge capability and low clamping voltage with a low capacitance of < 1pF, making it suitable for protection against ESD and other high-energy events. It is available in SMC (DO-214AB), SOD-323, SOD-123, and SOD-523 packages for easy mounting onto existing products and systems.

The operating principle behind the SZ1SMC51AT3G is simple and straightforward. It consists of a semiconductor junction with a reversed-biased applied voltage. When a voltage greater than the breakdown voltage is applied to the diode, the electric field inside the diode increases, causing the current from the high voltage to flow through the diode. This current flow through the diode is limited by the standoff voltage, which can be adjusted by changing the applied voltage. The SZ1SMC51AT3G is designed so that the voltage on the diode increases sharply after the current reaches the maximum rated level. This clamps the voltage, protecting connected equipment from the over-voltage.

The SZ1SMC51AT3G is an important component to have in any system that is susceptible to overvoltage or other transient conditions. With its efficient design and high surge capabilities, the SZ1SMC51AT3G is the perfect solution for ensuring the safety of both the system and its components. Coupled with its wide range of packages and its ability to perform in extreme conditions, the SZ1SMC51AT3G offers unmatched protection from costly surges and ESD attacks.

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