CMDZ5222B TR Discrete Semiconductor Products

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The CMDZ5222B TR, part of the Diodes - Zener - Single classification, is a Zener diode that is designed to regulate voltages. The device is constructed using two terminals, with the anode being the terminal with the lower voltage while the cathode is the terminal with the higher voltage. The diode should be operated in thermal equilibrium, and be coupled with a low-value, series-connect resistor to further protect the circuitry.

The CMDZ5222B TR is typically used when there is not enough headroom to support a simple switch-mode design, such as in battery-operated products or in adjustable output power supplies. It employs a Zener diode technology, allowing the voltage to be regulated throughout the operating temperature range of -55C to +150C. The device can also be used for high- and low-voltage protection, or where the power source may be variable.

The major benefit of the CMDZ5222B TR is high speed, low impedance clamp levels with tight tolerance temperature stability, allowing it to reliably regulate voltages. It also provides ESD protection up to 10KV, making it suitable for applications with sensitive electronic components. The device has a maximum forward voltage of 1 volt and a maximum reverse current of 10mA, making it ideal for applications requiring low voltage drop or high power output.

The CMDZ5222B TR operates on the principle of Zener breakdown, wherein the maximum reverse voltage level for a given current level is determined by the threshold voltage of the diode. When an initial voltage is applied to the diode, and the voltage increases past the threshold level, the diode will allow current to flow in the reverse direction because of increased conduction. As the voltage continues to increase, the current flow is limited by the maximum reverse current through the diode, and the voltage will remain at the Zener voltage or Zener breakdown voltage. The Zener breakdown voltage is the reverse voltage at which Zener breakdown occurs.

The CMDZ5222B TR is used in many different applications, including secondary protection and voltage regulation circuits, circuit level protection, emergency power, automotive and communications equipment, cellular phones, and audio amplifiers. The device is a reliable and efficient solution for applications where Zener diode performance is critical. It is also very cost effective, and can be easily integrated into existing designs.

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