SMCJ28A-HR

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TVS - Diodes are an indispensable part of modern circuit design, providing reliable protection from transient voltage bursts from nearby lightning strikes, electrical system overloads, and other electrical hazards. SMCJ28A-HR is one of the most popular TVS - Diodes on the market, and is widely used in industrial, automotive, aerospace, and consumer electronic applications. It is a high reliabilty, bi-directional unidirectional ESD suppression device, specially designed to protect sensitive low voltage components, such as microcontrollers, power management ICs, and other MOSFET-based applications.

The SMCJ28A-HR is a 28V transient voltage suppressor (TVS) diode that can survive more than 15kV unidirectional ESD pulses when used in a proper circuit. It is composed of the thermally enhanced PN junction, the significant features which includes high peak pulse power capability, high surge protection capability, and low leakage current. It has low dynamic resistance, a low capacitance rating, and very fast response times. All these features make the SMCJ28A-HR a very powerful and versatile protection device.

The working principle of the diode is simple; when the excess voltage is applied, a reverse bias current is created across the PN junction which then allows the PN junction to reduce the excess voltage by creating additional reverse bias current. This is similar to the principle used in a Zener diode, however, is more powerful as the PN junction provides more stability and higher protection margins. The SMCJ28A-HR also has a built-in ESD protection mechanism, which is activated when excessive voltages aren\'t efficiently dissipated and results in catastrophic failure. The diode\'s built-in ESD protection helps to protect components from ESD damage and premature failure.

The SMCJ28A-HR is used in a wide variety of applications ranging from industrial, automotive, aerospace, and consumer electronic circuits. It is an ideal choice for protecting LCD displays, sensors, communication ports, bus lines, and other sensitive low voltage components. The diode can withstand extremely high power surges, up to 400W peak pulse power, and is robust enough to survive more than 15kV of ESD pulses. The SMCJ28A-HR also features a very low capacitance rating, making it a perfect choice for high speed data communication applications. The diode is designed to protect microprocessors and other sensitive low voltage components from transient voltage explosions, and the components are always kept safe thanks to the protection mechanism of the PN junction.

The SMCJ28A-HR is a versatile, reliable, and powerful protection device that can be used in a variety of applications. Its robust construction, high peak power and surge protection capability, low capacitance, and low leakage current make it ideal for industrial, automotive, aerospace, and consumer electronic circuits. The device can keep sensitive components safe from transient voltage explosions and ESD pulses, while offering a high level of reliability and performance. The SMCJ28A-HR is an indispensable part of modern circuit design, and its features make it an ideal choice for protection from transient voltage bursts and other electrical hazards.

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