CMSZ5258B BK

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Diodes - Zener - Single - CMSZ5258B BK Application Field and Working Principle

The CMSZ5258B BK is a single Zener diode belonging to the family of Diodes – Zener - Single. Specifically, the CMSZ5258B BK device is a 5.2V Zener diode with 500mW power dissipation at 25℃ and a working temperature range of -60 to +1125℃.

Some of the major applications of the CMSZ5258B BK diode include low forward-voltage protection, surge protection, and EMI suppression. This device represents a great choice for applications where low reverse leakage current and stable Zener voltage is required.

How it works

The working principle of CMSZ5258B BK is quite simple. It consists of a P-N junction, so acts as a diode as it allows current to pass through in one direction and blocks the current in the other. When the reverse voltage applied is above its Zener voltage, this diode starts conducting in reverse direction. This is known as Zener breakdown and the current flowing through the diode is limited by its internal resistance.

It is important to note that the level of reverse current increases as the voltage increases and these two variables are proportional. The reverse current also depends on the intrinsic resistance of the P-N junction, which in turn is affected by ambient temperature, applied voltage, doping levels, and other factors.

Applications

The most popular application of CMSZ5258B BK is in over-voltage protection. It makes use of Zener breakdown to clip the voltage levels at a certain point and protect the circuit from any further damage. This makes it an ideal choice for circuit protection applications such as AC line protection, EMI protection, or surge suppression.

The diode is also used in circuit stabilization, level detection, and voltage regulation. As the current gets limited at Zener breakdown, it can act as a current regulator and maintain the output voltage of the device. This makes it very useful in providing stable power to microcontroller circuits or any other applications where stable voltage is required.

Apart from these applications, the CMSZ

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