2EZ200D/TR12

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Diodes are fundamental components in many consumer and industrial applications, used for rectifying and filtering AC signals to DC signals and for controlling the flow of current. Zener diodes are special kinds of diodes designed to regulate power, provide a stable and predictable output current value, enhance device life, and improve device reliability. Single zeners are one of the most common types of zener diodes and are highly versatile. The 2EZ200D/TR12 is one single zener diode that offers a wide range of design parameters and capabilities.

The 2EZ200D/TR12 is a tilt activated, 200 V, 12 mA TVS (transient voltage suppressor) single zener diode with a maximum reverse transient current of 35 A. It provides a reliable, polarity insensitive power dissipation with an operating temperature range of -55 °C to +150 °C. The maximum capacitance of 200 pF ensures that the diode can handle large amplitude signals with minimal leakage and harmonic distortion.

The primary application for the 2EZ200D/TR12 is the protection of sensitive systems from voltage transients, such as those caused by lightning, electrostatic discharge (ESD), and electrical power line surges. The device is designed to perform two key functions: the first is overvoltage protection, where it will clamp to a predetermined voltage and dissipate any additional voltage transient. The second is ESD protection, where it will limit the voltage to a safe level, providing additional protection to the system that is being powered. In both these applications, the 2EZ200D/TR12 can provide reliable and long-term protection of sensitive components and systems.

The working principle of the 2EZ200D/TR12 is simple. When the input voltage exceeds the zener breakdown voltage, the diode will conduct, limiting the input voltage to a safe level. This limits the current flowing through the device and ensures that the voltage level is regulated. The device has a reverse bias voltage rating of 200 V, preventing any damaging parasitic breakdown from occurring. It also has a fast network response time, making the protection instantaneous and eliminating any reliability issues related to load current changes.

Aside from its primary applications, the 2EZ200D/TR12 can also be used in industrial motor control applications, allowing the motor to be supplied with a steady, regulated voltage. It can also be used in power steering or medicoverage applications, providing a safe and stable means of distributing power. Additionally, the 2EZ200D/TR12 can be used in power supply circuits, clamping the output voltage and allowing the power supply to function under normal conditions.

The 2EZ200D/TR12 single zener diode offers a range of design parameters and capabilities, making it suitable for use in a wide range of applications. Its primary application is in the protection of sensitive systems from voltage transients, but it can also be used in industrial motor control, power steering, power supply, and medicoverage applications. It works by conducting when the input voltage exceeds the zener breakdown voltage and limiting the input voltage to a safe level, thus providing a reliable, polarity-insensitive power dissipation with a fast network response time.

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