TZQ5225B-GS18

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The TZQ5225B-GS18 belongs to the category of diodes - Zener - Single. It is a small signal, low capacitance and ESD (electrostatic discharge) protected voltage regulator diode. The diode is composed of a single-layer silicon-based PN junction and a Zener voltage regulator. It is perfect for use in modern portable devices, such as four and five inch mobile phones, MP3 players and Bluetooth headsets.

Generally speaking, TZQ5225B-GS18 is usually applied to achieve the power supply precision in these small portable devices, like phones, MP3 players and etc. As for the working principle, it is based on the Zener voltage regulator.

A Zener diode works by allowing current to flow in the reverse direction when the voltage exceeds a certain value, known as the Zener voltage or breakdown voltage. In this process, the current flows from anode to the cathode, allowing a small current flow with a fixed voltage while maintaining a constant voltage.

Specifically, the TZQ5225B-GS18 is a silicon-based voltage regulating diode with a maximum Zener voltage of 1.8V. It is rated to operate between -40°C to +85°C. Additionally, it offers a reverse current of 1 microampere at 75V and a forward voltage of 1.4V (Max) at 200mA. The device also features a slightly lower capacitance than a regular Zener providing improved frequency responses. The integrated ESD protection feature can withstand high voltages up to 8kV.

To sum up, the TZQ5225B-GS18 belongs to the category of diodes - Zener - Single and is mainly used in the power supply precision in modern portable devices. It works by allowing current to flow in the reverse direction when the voltage exceeds a certain value, known as the Zener voltage or breakdown voltage. Additionally, the device offers a reverse current of 1 microampere at 75V and a forward voltage of 1.4V (Max) at 200mA. It also features a slightly lower capacitance than a regular Zener providing improved frequency responses and a maximum Zener voltage of 1.8V. In addition, it is rated to operate between -40°C to +85°C, and the integrated ESD protection feature can withstand high voltages up to 8kV.

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