1KSMBJ18C

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TVS (transient voltage suppressors) diodes, also known as surge absorbing diodes, are primarily used to protect sensitive electronic components from transient voltage events such as over-voltages, electrical discharges, and power spikes. The 1KSMBJ18C is an especially commonly used member of this family of semiconductors.

The 1KSMBJ18C is an 18V, 500W, unidirectional TVS diode. This diode has an ultra-low capacitance of just 20pF. That means the climb time is significantly reduced, which further reduces operating losses and improves accuracy. The low inductance of the diode also ensures a fast response time to transient events. It has an impressive power dissipation and a diode\'s typical junction capacitance. This result in higher signal integrity and faster recovery between transient events.

This diodes is most widely used in computer, lighting, vehicle, and consumer electronic applications. The occasions in which it can be found range from protection against over-voltage and over-current events to surge absorption and EMI (electromagnetic interference) suppression. It is specifically suitable for any application where a fast response time, ultra low capacitance, and low inductance are paramount.

The 1KSMBJ18C operates according to the same principle that is shared by all other TVS diodes. When the diode is bombarded with a high-voltage or transient event, it works to clamp the voltage and absorb the extra current, diverting it away from sensitive electronic components. This is done through the sudden shift of the diode’s electron strings from trapped to free-flowing, decreasing or eliminating the voltage across the diode.

The 1KSMBJ18C is a popular choice for many applications because of the electrical characteristics mentioned above. Not only is its fast response time and low inductance beneficial, but its rating (500W) indicates that it has a robustness that allows it to survive in a wide range of highly demanding and potentially volatile environments.

Despite its powerful performance, the 1KSMBJ18C has an incredibly small form factor (1.6x1mm). This makes it suitable for use even in the tightest of spaces and allows manufacturers to incorporate the diode into a wide range of different product designs.

To sum up, the 1KSMBJ18C is a popular TVS diode mainly used in computer, lighting, vehicle and consumer electronics. As an unidirectional diode, it is designed to absorb transients and other over-voltage event with an impressive power dissipation rating and ultra-low capacitance. Its highly robust performance, low inductance, small form factor, and fast response time make it a great choice for any application that requires a high level of protection from transients and other over-voltage events.

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