VS-20CTQ045STRR-M3

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VS-20CTQ045STRR-M3 Application Field and Working Principle

VS-20CTQ045STRR-M3 is a part of diode arrays, which are mostly used to protect automotive devices from high voltage spikes and transients. It is a Schottky diode array, consisting of four separate Schottky diodes precisely spaced and connected in a single surface mount package. The device is designed to prevent malfunctioning, noise, and damage of sensitive components and subsystems.

General Characteristics

The VS-20CTQ045STRR-M3 can handle up to 55 volts of reverse voltage and has a very low forward voltage drop of typically 0.45 volts. It also operates at high speed with a maximum continuous reverse current of 12 amps and a reverse recovery time of typically 3.7 nano-seconds. It has an operating temperature range of -55°C to +150°C, allowing it to be used in a wide variety of environments. Additionally, it has a good surge voltage rating of 400 volts for 100 milliseconds.

Applications

The VS-20CTQ045STRR-M3 can be used in a wide variety of applications, such as automotive infotainment systems, automotive powertrain systems, and automotive lighting systems. It provides powerful protection for sensitive components and subsystems from high voltage transients and spikes due to its low forward voltage drop and its high speed response. It is ideal for applications that require over current protection, such as ECUs, switch circuits, and electronic actuators.

Working Principle

The VS-20CTQ045STRR-M3 is a Schottky diode array and its main function is to protect systems from electrostatic discharge, over-voltage, and over-current. It works by quickly releasing the current load when the voltage surge reaches a certain level. The array is usually fitted in a reverse connection to a power supply rail and when a surge is detected, the diodes switch quickly to provide a low forward voltage path for the current to flow. The Schottky diode array then acts as a clamp, limiting the voltage rise to a safe level. This prevents damage to sensitive components and subsystems from the high voltage surge.

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