SA28HE3/73

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TVS (Transient Voltage Suppressor) Diodes are a class of protective semiconductor components designed to protect electronics systems from voltage spikes. The SA28HE3/73 is a type of TVS diode designed to protect sensitive electronics from harmful transient voltage spikes, or ESD, and is commonly used in automotive and industrial electronics. In this article, we will discuss the application fields and working principle of the SA28HE3/73.

The SA28HE3/73 is used to protect sensitive electronics from voltage spikes and ESD (electrostatic discharge). It is a bidirectional device, which can protect both positive and negative transient voltages. The device features low clamping voltage, fast response time, and low capacitance, which makes it ideal for protecting circuits from ESD events. The SA28HE3/73 can also be used to prevent voltage transients generated due to surges or inductive loads.

The SA28HE3/73 is used in a wide variety of applications, including automotive electronics, industrial electronics, consumer electronics, and medical electronics. It is suitable for use in automotive body electronics, engine control units, and other automotive safety systems. It is also widely used in industrial applications, such as ADAS (Advanced Driver Assistance Systems), industrial automation, and OFDM (Orthogonal Frequency Division Multiplexing). In consumer electronics, the device is used to protect against damaging voltages from USB-C cables, smartphones, laptops, and other portable devices. In medical applications, the device can be used to protect medical equipment from accidental ESD events.

The working principle of the SA28HE3/73 is based on the principle of avalanche breakdown. When a voltage higher than the device\'s breakdown voltage is applied to it, the device breaks down and allows a large current to flow through the device, which is then quickly dissipated to ground. This process effectively protects the connected circuit by dissipating the energy of the transient voltage spike.

The SA28HE3/73 is an essential component for protecting sensitive electronics from voltage spikes and ESD events. It is used in a variety of applications, including automotive, industrial, consumer, and medical electronics. Its working principle is based on the principle of avalanche breakdown, which allows it to quickly dissipate large transient currents. With its low clamping voltage, fast response time, and low capacitance, the SA28HE3/73 is an effective and reliable solution for protecting circuits from damaging transient voltage spikes.

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