1SMB54CAT3

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TVS (transient voltage suppression) diodes are used to protect sensitive electronic circuits from electrical transients that may occur on the power line, such as when the power fails or the electric load is suddenly disconnected. The 1SMB54CAT3, is a TVS diode that is used to protect against transient voltage spikes. It is a unidirectional device with an average peak pulse power rating of 225 watts.

1SMB54CAT3 Application Field

1SMB54CAT3 is a component of choice for many applications that require transient voltage surge protection. These include communications systems, consumer electronics, military applications, and aerospace applications. It has an extended temperature range up to 175°C, and it is suitable for surface mounting and through-hole mounting. The most common applications include protection from over voltage from power supplies, data lines, and other sources of electrical interference.

1SMB54CAT3 Working Principles

The 1SMB54CAT3 is a unidirectional diode used for protection against over-voltage transients. It is capable of dissipating energy up to 225 watts and provides a clamping voltage between 9.2 to 27 V. The device has a low capacitance of 1.2 pF (at 0 volts), allowing for very fast switching times. The device also has a very low leakage current of 0.1 µA.

When the diode is subjected to a voltage transients, the diode activates, allowing the excess voltage to flow away from the protected circuit. The device is designed to clamp the voltage to a safe level, thereby protecting the circuit against damage caused by overvoltage. The device has a peak current rating of 15 A, which makes it suitable for protection in a variety of applications.

The device also offers additional protection against electrostatic discharge (ESD) and other forms of electrical overstress (EOS). When subjected to an ESD or EOS event, the device will “clamp” the voltage at a safe level, preventing damage to the device or circuit.

The 1SMB54CAT3 is a reliable and cost-effective solution for transient voltage surge protection. It is suitable for a wide range of applications, including communications systems, consumer electronics, and military applications.

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