SMBJ120CA-13

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The SMBJ120CA-13 is a Transient Voltage Suppressor (TVS) diode used to protect sensitive electronic systems from the destructive effects of electrical transients. The SMBJ120CA-13 is a unidirectional TVS diode with a stand-off voltage of 13V and a peak pulse power rating of 1500W. In other words, it can absorb up to 1500W of electrical impulsed during an overvoltage event and keep devices safe from damage. The device also has a clamping voltage of 18.1V, which is the maximum voltage the device can handle before it begins to conduct current.

The most common application of the SMBJ120CA-13 is in USB ports. This device can be used to protect the USB port from electromagnetic interference, electrostatic discharge, and overvoltage events that could otherwise damage the connection and the device that is connected to it. The SMBJ120CA-13 can also be used in computer and audio equipment, automotive wiring, and consumer electronics.

The working principle of the SMBJ120CA-13 is simple. When an electrical transient occurs, the voltage of the device rises above the stand-off voltage of 13V, causing the device to become conductive. As the voltage reaches the maximum allowable voltage of 18.1V, current begins to flow through the device. This current is then dissipated as heat and the voltage is brought back down to acceptable levels.

The SMBJ120CA-13 is a simple, cost-effective way to protect sensitive devices from voltage surges and transients. It is designed to operate within the temperature range of -55 to +150 degrees Celsius, and is capable of withstanding high-rated surge currents and power pulses. As a result, it can be used in a variety of applications where voltage protection is needed.

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