VTVS63ASMF-HM3-18

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TVS (Transient Voltage Suppression) diodes are designed to protect electronic devices from voltage transients (spikes) and ESD (electrostatic discharge which is generated during handling). The VTVS63ASMF-HM3-18 is a 6.3A unidirectional diode developed by Vishay to protect devices from voltage spikes that occur due to lightning strikes.

The working principle of the VTVS63ASMF-HM3-18 is simple - It contains an anode and a cathode, which are connected to two different voltage sources. The device uses the resistance of its intrinsic diode to limit current in the event of a voltage transient. When a voltage transient occurs, the intrinsic diode conducts, limiting the current and dissipating the energy of the transient.

The VTVS63ASMF-HM3-18 is ideal for use in telecom systems, lightning protection systems, and other high speed, high voltage applications. The device is capable of suppressing high peak pulses up to >25A (8/20μs) while still responding quickly to fast transients >200A (2.5/2.5μs). The device also features low forward turn-on voltage and is capable of suppressing voltages up to 20V.

In terms of application fields, the VTVS63ASMF-HM3-18 is commonly used in automotive systems such as infotainment, navigation, and telematics. In medical devices, it is used to protect critical circuits from damaging transients. The device is also suitable for use in industrial applications where long pulse transients may occur due to heavy inductive loads or power fluctuations.

The device’s low forward turn-on voltage and fast response time make it suitable for use in power solutions, where the device can protect sensitive circuits from over-current and over-voltage events without significantly affecting circuit performance. The device is also used in battery charging solutions, as it can protect the charger from voltage transients and reduce the risk of damage or malfunction.

The VTVS63ASMF-HM3-18 is also used in consumer applications such as personal computers and tablets. The device is able to protect the device from voltage transients and surges, which can sometimes occur in the power grid or in common household electrical appliances.

Overall, the VTVS63ASMF-HM3-18 is a versatile and reliable device suitable for a wide range of applications. It is capable of protecting circuits from voltage transients while still responding quickly to fast transients. The device’s low forward turn-on voltage, fast response time, and high peak pulse current make it an ideal choice for a variety of applications.

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