SMBJ90CATR Circuit Protection

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The SMBJ90CATR is a Transient Voltage Suppressor (TVS) Diode that is used to protect electronic circuitry from damage caused by transient overvoltage incidents, such as electrostatic discharge (ESD) and voltage spikes. These devices are commonly used in applications such as consumer electronics, automotive electronics, industrial electronics, and power supplies.

The SMBJ90CATR is a unidirectional unipolar device and has an integrated Avalanche diode that helps protect against high-energy thermal shock and stresses from high-current environments. The Avalanche diode helps to absorb high-energy spikes and current imperfections, regardless of polarity. The device also helps to reduce the voltages in the circuit and displays a low impedance state in order to protect the device from electrical transients.

The SMBJ90CATR is typically configured with a peak power rating of 400W and is capable of handling high peak pulse currents of up to 54A. The device also has a maximum working voltage of 90V, and a maximum clamping voltage of 132V. The device\'s construction consists of a glass-encapsulated package and a gold-plated lead frame for superior resistance to corrosion and other harsh environments. The device also features an ultra-fast response time and a low capacitance of 5000pF.

The working principle of the SMBJ90CATR is simple and based around the concept of breakdown voltage. When the device is exposed to a high voltage, such as from a transient overvoltage or electrostatic discharge, it will break down and pass current through the device. This has the effect of clamping the voltage to a lower value than the breakdown voltage. The device will then dissipate the excess energy as heat, while limiting any voltage spikes or transients that could otherwise damage the protected circuit.

The SMBJ90CATR can be used in a variety of different applications, including consumer electronics, automotive electronics, industrial electronics, and power supplies. In consumer electronics, these devices are commonly used in vehicles and electronic devices to protect against voltage spikes and transients. In automotive applications, the device is used to prevent damage to sensitive electronic parts, such as the battery, from transient overvoltage incidents. In industrial electronics, the device is used to protect against voltage transients and spikes that could lead to malfunctioning equipment.

In power supplies, the SMBJ90CATR is used as a means for protecting sensitive electronic components from damage caused by voltage spikes and transients. The device also helps to reduce the effects of noise and other signal impairment, and is commonly used in devices such as computers, tablets, and other electronic equipment.

The SMBJ90CATR is an invaluable device that can be used to protect sensitive electronics from damage caused by transient overvoltage incidents, such as electrostatic discharge and voltage spikes. The device is also appropriate for a wide range of applications, including consumer electronics, automotive electronics, industrial electronics, and power supplies. Its unique construction and working principle make it an effective solution for protecting against voltage transients and other damaging effects of high-energy pulses.

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