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CMDZ5230B BK Application Field and Working Principle

Diodes - Zener - Single

The CMDZ5230B BK is a miniature Cemented Glass Zener diode that possesses a higher power dissipation of up to 500mW. The diode is built around a single rectifying chip, and it works with an operating junction temperature range of -65°C to +175°C. It is available in an SMD package, and it is ideal for use in general-purpose applications.

The CMDZ5230B BK diode is generally exercised in wide range of applications such as voltage clamping, voltage regulation, voltage spike suppression, rectification, polarity protection and surge protection. It exhibits a Zener voltage between 4.3V and 52V, a Zener series of 52V, a maximum forward DC current of 1A and a reverse current of 15mA. It also has a maximum surge current of 2.5A and a peak reverse voltage of 50V. In addition, it offers a capacitance between 0.35 to 2.0 pF, a total capacitance of 35V at 1 MHz, a maximum reverse capacitor leak of 0.1µA and a maximum junction capacitance of 2.5pF.

In order to understand its working principle, it is necessary to discuss its construction. The CMDZ5230B BK is built around a semiconductor wafer with a single rectifying chip. It comes in two configurations: either the single die or the dual die configuration. The single die configuration mainly consists of a metal base connection, the cathode and the anode. The inner connections of both the anode and the cathode are made using inslated wires that are connected to the outer surface of the semiconductor wafer. The anode is the connection point between the cathode and the semiconductor wafer, while the cathode is the connection point between the base and the semiconductor wafer. The dual die configuration, on the other hand, consists of two rectifying chips, which are connected in series with the cathode connected to the upper rectifying chip and the anode connected to the lower rectifying chip.

When the voltage is applied to the diode, there is a rapid change in the voltage across the diode. This change in the voltage is called a "Zener Breakdown". During this breakdown, the electrons present in the semiconductor wafer will be liberated and flow into the anode. This flow of electrons will create a voltage drop across the diode and this activity will cause the Zener breakdown of the diode. This Zener breakdown causes an electric current to be created which will regulate the voltage across the diode. This current will then be converted into usable voltage that can be used in various applications.

The CMDZ5230B BK diode is a reliable, low power and low cost Zener diode. It is generally used in many general-purpose applications such as voltage clamping, voltage regulation, voltage spike suppression and surge protection. Its construction and functioning principles make it a highly efficient device and ensures maximum reliability.

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