SMCJ9.0HE3/57T

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TVS – Diodes are a unique type of diode typically used for protecting electronic components against transients such as electrostatic discharge (ESD) and electric fast transients (EFT). They work by automatically clamping large voltages or current amplitudes that occur beyond its peak power rating. The SMCJ9.0HE3/57T is an example of a TVS diode providing ESD protection.

The SMCJ9.0HE3/57T is a surface-mount diode designed to provide overvoltage protection for sensitive electronic components. Its principle application is to protect against ESD in a variety of systems, including those exposed to industrial, consumer, and automotive environments. It is able to handle ESD strikes up to IEC61000-4-2 level 4 (8kV contact, 15kV air discharge) and has a peak pulse power rating (Ppk) of 800W. The diode is also qualified with a wide range of operating temperature ranging from -55°C to 175°C, making it suitable for a variety of applications.

The SMCJ9.0HE3/57T is a unidirectional TVS diode ideal for providing ESD protection in an array of applications, such as personal computers, telecom or automotive systems, where high transient voltages might be present. The diode’s working principle is simple. When it is subjected to an overvoltage, usually caused by an ESD, the diode’s breakdown voltage is reached and current starts to flow. This current is then limited to a safe value, thus preventing damage to the protected component.

To adequately protect sensitive parts of the system, the SMCJ9.0HE3/57T should be placed close to the protected component or at the point of entry, preferably the grounded shield. This ensures that the ESD is clamped at the SMCJ9.0HE3/57T before it can propagate to the protected parts. It is designed to be used in power/ground low inductance circuits, although its low capacitance keeps it useful and suitable even in high capacitance systems.

At the same time, the SMCJ9.0HE3/57T features low leakage current and is very impedance tolerant, making it suitable for a wide variety of applications. Its ESD clamping and general over voltage protection make it a reliable choice for ESD protection in the industrial, commercial, telecom and automotive sectors.

In summary, the SMCJ9.0HE3/57T is an example of a TVS diode that provides robust ESD protection in a wide range of applications. Its low leakage current and high impedance tolerance make it a versatile and reliable choice ensuring a reliable protection for your sensitive electronic components.

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