SMAJ350CAE3/TR13 Circuit Protection

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Transient Voltage Suppression Diodes (TVS Diodes) are used to protect electronic circuits from electrical disturbances, typically transient or alternating voltages. The SMAJ350CAE3/TR13 is a surface mount uni-directional TVS Diode.

This TVS diode features a breakdown voltage of 350 volts, overload peak pulse current of 5.5 amps, and a capacitance of 1pF. It is manufactured in a 0805 surface mount package (2mm x 1.25mm). It is commonly used on printed circuit-boards (PCBs) for the protection of sensitive electronic components in automotive and other applications.

The main function of the SMAJ350CAE3/TR13 TVS diode is to protect against overvoltage spikes. When an overvoltage spike occurs, the diode will shunt the surge to ground and thus prevent it from reaching the device it is protecting. The TVS diode must be able to handle the surge current, as well as have a breakdown voltage that is adequate to suppress the surge.

The SMAJ350CAE3/TR13 TVS Diode has many applications, including automotive, telecom, data storage, and consumer electronics. It is typically used to provide overvoltage protection for circuits such as computers and other electronic devices. It is also used to protect against voltage spikes, surges, and transients in a range of other applications.

The working principle of a TVS Diode is quite simple. When the input voltage reaches the diode’s breakdown voltage, the diode will conduct and the surge current will be shunted to ground. This is the principle that allows the TVS Diode to protect sensitive components from overvoltage conditions. The diode will only conduct when the voltage reaches its breakdown voltage, and it will return to its non-conducting state when the voltage drops back below the breakdown voltage.

In summary, the SMAJ350CAE3/TR13 is a uni-directional Transient Voltage Suppression diode used to protect electronic components from overvoltage spikes. It has a breakdown voltage of 350 volts, overload peak pulse current of 5.5 amps, and a capacitance of 1pF. It is used in many applications including automotive, telecom, data storage, and consumer electronics, and its working principle is based on the shunting of surge current to ground through the diode when the input voltage reaches the diode\'s breakdown voltage.

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