SMCJ90

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Transient Voltage Suppression (TVS) devices are routinely employed in a wide variety of applications. From automotive voltage spike suppression to noise immunity of mission-critical electronic systems, these robust TVS devices are invaluable tools for protecting critical electrical equipment. The SMCJ90 is one such TVS device that is widely used today. This article provides an overview of the SMCJ90’s application field and working principle.

SMCJ90s are primarily designed to suppress transient voltages and current surges. They provide fast and dependable protection against high voltage transients in both surge suppression and clamping applications. The device is ideal for use in high voltage and low power applications such as critical telecom and industrial equipment, medical diagnostic, communication and security equipment, and other consumer electronics. The SMCJ90 is available in various packages and voltage ratings, ranging from 8 to 600 volts.

SMCJ90\'s working principle is simple. It relies on two main components, a p-n junction diode and a metal oxide varistor (MOV). The diode\'s p-n junction is designed to become conductive in the presence of a transient voltage, thus allowing current to flow through it. This current is then absorbed by the MOV, which is a non-linear resistor. The MOV then dissipates the energy of the transient voltage, thus providing protection for the connected circuit. The MOV‘s non-linear resistance also helps to limit the transient current from flowing through the circuit\'s sensitive components, thus providing a higher degree of protection and safety.

The SMCJ90 is an efficient, compact and reliable solution for many applications. It is especially suitable for highly stressed telecommunications, power, and industrial applications as well as consumer electronic equipment, which require a reliable source of power despite the regular occurrence of transients. Moreover, the SMCJ90’s robust construction ensures excellent reliability and low leakage current in hot and humid conditions. In addition, these devices can be easily integrated with the circuit to provide additional protection.

In conclusion, the SMCJ90 is an ideal choice for protecting circuits from transient voltages and current surges. Its straightforward design and reliable protection features make it a cost-effective solution for a wide range of high-voltage and low-power applications. Its robust construction also ensures excellent reliability and low leakage current in hot and humid conditions. Therefore, the SMCJ90 is an ideal choice for the protection of critical telecom and industrial equipment, medical diagnostic, communication and security equipment, and other consumer electronic products.

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