2M190Z R0G

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2M190Z R0G is a type of single Zener diode, which is widely used in a variety of applications. It is often used as a voltage regulator, current limiter, noise filter, voltage reference, and more. This article will provide an overview of the application field and working principle of 2M190Z R0G.

Application Field

2M190Z R0G is designed for general purpose applications. It can be used in a wide range of applications, including digital and linear power supply design, current limit protection, voltage-level detection and switching, radio frequency mixing and impedance matching, and more. The 2M190Z R0G is also used in low-power AC/DC switching power supplies, such as SCR and diac devices, as well as various types of active filters for noise reduction.

Working Principle

The 2M190Z R0G operates on the principle of reverse breakdown voltage. When reverse voltage is applied to the diode, it starts to conduct (pass current) when the voltage exceeds a certain limit, referred to as the Zener voltage or reverse breakdown voltage. The Zener voltage of the 2M190Z R0G is typically rated around 190V. When passing current, the diode exhibits a low voltage drop (typically around 0.2V to 0.3V) which is independent of the amount of current passing through. The voltage drop of the diode is temperature dependent.

When used as a voltage regulator, the 2M190Z R0G can be connected in series with a load. The Zener voltage of the diode and the input voltage must be higher than the desired output voltage. Excessive current will be drawn through the diode, resulting in a regulated output voltage. When used as a current limiter, the diode can be connected in parallel with a load. The voltage drop of the diode keeps the current from flowing when it exceeds a certain limit. When used as a noise filter, the diode can be connected in parallel with a capacitor and resistors, forming an RC filter. The diode prevents high-frequency noise from passing through the filter, allowing only low-frequency signals to pass.

The 2M190Z R0G is an ideal diode for applications that require a wide range of operating conditions. With its low voltage drop and temperature stability, it is well suited for all sorts of power supply and protection applications, as well as noise filtering applications.

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