SMBJ54D-M3/H

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TVS Diodes are an important part of the electrical systems used in many devices. The SMBJ54D-M3/H is a type of TVS Diode and is designed to protect electrical circuits and components from excessive transient voltages. The SMBJ54D-M3/H is designed specifically for high-speed applications, and is suitable for use in applications where a low breakdown voltage is required.

The SMBJ54D-M3/H is a unidirectional TVS diode with a low leakage current and a fast response time. It is capable of operating at a range of temperatures from -65 to +150°C and is available in a variety of packages from SOT-23 to SMA, depending on the voltage level needed. The diode has a rated clamping voltage of 54V and a on-state resistance of 0.15 Ohms, making it suitable for high current applications.

The SMBJ54D-M3/H is a discrete component, mounted directly onto the printed circuit board. It is placed across the power lines of the circuit and acts as a protection from any transient voltages that exceed the rated breakdown voltage. In the event of an over voltage, the SMBJ54D-M3/H conducts the current away from the protected component, providing short-term protection.

The SMBJ54D-M3/H is ideal for high frequency applications, such as data transmission systems, radio broadcast systems, satellite communication systems, cellular base stations, etc. It is also often used for high-power applications, such as in industrial control systems, motor controllers, and battery chargers. In addition, the SMBJ54D-M3/H can be used in many other applications where transient voltages are to be contained.

The working principle of the SMBJ54D-M3/H is based on the avalanche breakdown phenomenon, which occurs when the oxide layer of a junction breaks down when the electric field exceeds the breakdown voltage. The diode then becomes highly conductive and begins to conduct current, redirecting the excessive voltage away from the protected components. The avalanche breakdown voltage is determined by the specific manufacturer and depends on the specific design and device construction.

The SMBJ54D-M3/H is an important component in electrical systems, providing short-term protection from transient voltage spikes, and is available in a variety of packages from SOT-23 to SMA. Its low leakage current, fast response time, and high temperature range make it suitable for a wide range of applications, from high-speed communications to industrial control and power systems.

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