SMCJ18-E3/9AT

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TVS diodes are a type of semiconductor device used for protection against electrical transients. They are commonly used in automotive, aircraft, and industrial applications to provide protection against static discharge, power surges, and other electrical overstress (EOS) conditions. The SMCJ18-E3/9AT is a commonly used TVS diode, and it is typically found in automotive applications where it provides static and surge protection.

The SMCJ18-E3/9AT is a bidirectional TVS diode designed for transient voltage surge suppression in automotive applications. It is constructed with two terminals, anode and cathode, and is designed to clamp the applied voltage to a safe level when the input voltage exceeds a specified voltage threshold. The diode is typically configured with anodes at the positive side and cathodes at the negative terminal. The peak pulse power rating of this device is 600W at an 8/20 microsecond peak pulse width.

The SMCJ18-E3/9AT is suitable for automotive and other transportation applications, including automobiles, buses, airplanes, and trains, as it is compliant with the requirements of ISO 7637-2. It is also suitable for general purpose industrial applications.

The primary function of the SMCJ18-E3/9AT is to protect downstream components from EOS conditions. When the input voltage exceeds the specified voltage threshold, the diode will rapidly clamp the input voltage to a safe level, thereby protecting the downstream devices from damage. The reverse breakdown voltage of the diode is 13.2V, while its maximum operating voltage is 12V. Its ESD protection is 18kV contact and 8kV air discharge.

The SMCJ18-E3/9AT is a surface mount component, making it suitable for placement in tight spaces and crowded circuit boards. The component is available in a small DO-214AC package, with a footprint of 2.3mm x 2.8mm.

The SMCJ18-E3/9AT is a robust and reliable TVS diode, offering an excellent solution to transient protection needs. The device is easy to use in any automotive, industrial, or commercial application requiring transient protection. With its small size, reasonable pricing, and an impressive range of features, the SMCJ18-E3/9AT is an ideal choice when designing a transient protection circuit.

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