VTVS9V4ASMF-HM3-18

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TVS-Diodes, shortened for Transient Voltage Suppressors, are used to protect electronic components from voltage and current surges.The VTVS9V4ASMF-HM3-18 is specifically designed to clamp the input signal voltage and absorb sudden rises in line voltage.It is a multilayer three-terminal device suitable for automotive applications.

The VTVS9V4ASMF-HM3-18 features a high reliability in a small package size, reducing the necessary board space for protection circuits and enabling multiple devices to be easily mounted on the same circuit board.With its dual series configuration for increased ESD protection and robust EMI/RFI features, it has an additional advantage of enhanced ESD and leakage performance throughout its operating voltage range.

The VTVS9V4ASMF-HM3-18 is designed for use in many automotive electronics, including in navigation systems, engine control units, and other on-board electronic systems for power supply noise and EMI suppression.It can be used for primary protection of the entire line, devices such as ECUs, and in applications such as power supply line frequency filtering.

The working principle of the VTVS9V4ASMF-HM3-18 is to sense high voltage and current and conduct a surge current through the cathode and anode while limiting the current and dissipating the excessive energy.These diodes are used to provide relief by suppressing voltage transients and controlling power surges.They are built with a fuse-like mechanism to shield devices from overcurrent which could cause dangerous voltage spikes.The VTVS9V4ASMF is designed to react quickly at any current, providing a clamping voltage for both 0.3A – 3A and 9V – 18V.

The VTVS9V4ASMF-HM3-18 common mode TVS diode pairs are the perfect solution for EMI and lightning protection.The bidirectional surge suppressor diodes are tuned to a specific clamping voltage and absorb the overload protection, ensuring that the circuits are not subjected to high transient stress levels.The reliable design helps provide a level of protection far beyond that of ordinary varistors and fuses.

The VTVS9V4ASMF-HM3-18 utilizes technologies such as the bidirectional ESD protection circuit to protect against electrostatic discharges, EMI noise suppression, and voltage limiting protection which is actively monitored for precise handling of legal or illegal voltage. With its advanced capabilities, this diode is an ideal choice for automotive systems not just for secondary circuit protection, but also in the primary side to eliminate the need for further components.

The VTVS9V4ASMF-HM3-18 can be used in a variety of applications, providing efficient EMI/RFI noise suppression, ESD protection, and helping to protect the systems from dangerous voltage levels.The device is capable of providing clamping voltage up to 18V with a fast response time and excellent energy dissipation.The small package size with three-terminal design ensures minimal board space, making it ideal for a wide array of device protection.

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