CMDZ5223B TR

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Diodes - Zener - Single

The CMDZ5223B TR series is a single zener diode from Diodes, offering improved ESD and flashover protection for automotive applications and general purpose uses. It is designed for applications such as industrial voltage regulators, voltage clamping, and other areas where overvoltage protection is important. This device family is specified with a maximum forward voltage of 1V and a power dissipation of 300mW.

The CMDZ5223B TR series operates with a reverse breakdown voltage of 5.2V and has a maximum Zener impedance of 8.2Ω. It has a minimum capacitance of 16pF and a maximum operating temperature of 125°C. The series is available in SOT-23 packages, and in quantities of 2k per reel. It is RoHS compliant and AEC-Q101 qualified.

Working Principle

The working principle of the CMDZ5223B TR series is the same as that of any other zener diode. When the voltage across the anode and cathode of the diode becomes great enough, known as the "zener voltage," the diode allows a small current to flow in the reverse direction. This current activates a reverse breakdown, which is a process in which the diode ceases to act as a barrier and instead allows current to flow freely. The reverse breakdown voltage of the CMDZ5223B TR is 5.2V.

When the voltage across the anode and cathode of the zener diode is greater than the zener voltage, current will flow in reverse and the zener will conduct. This current is then diverted from the circuit, protecting it from any overvoltages that may be present. The current is then discharged harmlessly to ground, ensuring that the circuit is not damaged.

Applications

The CMDZ5223B TR series is designed for a wide range of applications. It can be used for general purpose voltage regulators, for voltage clamping, for overvoltage protection, and for ESD protection. It can also be used as an alternative to a Schottky diode in a low voltage design. It is well suited for automotive applications, where it can be used as a voltage regulator or voltage protection and ESD protection.

The CMDZ5223B TR series is also a suitable choice for high-speed switching applications, where it can be used to provide overvoltage protection. It can be used in industrial applications, such as power supplies and battery chargers, where it can be used to provide protection against overvoltage conditions.

Conclusion

The CMDZ5223B TR series from Diodes is a single zener diode designed for a wide range of general purpose, automotive, and industrial applications. It has a reverse breakdown voltage of 5.2V and a power dissipation of 300mW. It has a minimum capacitance of 16pF and is available in SOT-23 packages. The CMDZ5223B TR series is RoHS compliant and AEC-Q101 qualified, and is a suitable choice for applications such as industrial voltage regulators, voltage clamping, overvoltage protection, and ESD protection.

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