SMAJ15ATR

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A TVS (Transient Voltage Suppressor) Diode is a special diode designed specifically to protect electronic components such as microcontrollers, logic gates, memories, and other sensitive components from voltage spikes caused by electrical transients which usually occur when a surge of energy is present. One type of TVS diode that is commonly used is the SMAJ15ATR series.

The SMAJ15ATR is a surface mount TVS diode designed specifically for channeled transients. It is a 15V unidirectional diode, in an SMA package, designed to protect up to 450W peak pulse power. It is constructed with an integrated dielectric layer and PN junction to provide stable protection. As a result, it is suitable for use in situations where surges are expected to occur and the protection of sensitive circuitry is critical.

The SMAJ15ATR has a number of different application fields. It is suitable for use in systems such as CCTV cameras, automotive instrument clusters, data line interface, telecom equipment, and RF circuits. In addition, it can be used to protect against various transients, including electromotive forces (EMF) signals, electromagnetic field (EMF) pulses, and lightning-induced voltages. It is also suitable for automotive applications such as air bag deployment and electronic vehicle immobilization.

The SMAJ15ATR is also capable of providing ESD protection and other important features. It is designed to provide suppression of electrostatic discharge (ESD) up to 15 kV and transients up to 30A peak current. It provides both avalanche and shunt protection, as well as technology that reduces voltage overshoot. The device also provides good clamping efficiency and low leakage current.

The working principle of the SMAJ15ATR is based on a characteristic of the PN junction diode known as avalanche breakdown. When the reverse voltage across the diode reaches a certain level, the voltage across the junction will become greater than the PN junction\'s breakdown voltage. This causes a rapid increase of current through the junction, resulting in a sudden increase of power across the junction. This power in turn dissipates the transient energy, providing protection from overvoltage.

In summary, the SMAJ15ATR is an effective solution for the prevention of electrical transients. It is capable of providing ESD protection and is suitable for use in a variety of applications. The device also provides good clamping efficiency and low leakage current, making it a reliable option for protecting sensitive circuitry.

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