CMHZ4627

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CMHZ4627 is a single, high-voltage Zener diode. It is categorized as a static voltage limiter and works by using the constant voltage characteristics of a Zener diode. The primary purpose of a CMHZ4627 is to provide a reliable protection against damaging overvoltage conditions in a variety of electronic components, such as power supplies, surge protection circuits, and voltage regulator circuits.

The CMHZ4627 is optimized for a reverse breakdown voltage of 4.6 volts with a maximum working voltage of 5.6 volts and a maximum power dissipation of 200 milliwatts. It also features a third-order intercept point of -26 dBm and a reverse surge current of 1 ampere and a temperature coefficient of -4.5 mV/K.

The CMHZ4627’s application field is broad, covering a wide range of systems and equipment where overvoltage protection is required. It is a popular choice for surge protection, voltage regulation, and voltage limiting.

The CMHZ4627 is mostly employed in offline power supplies for commercial and industrial applications. With its low leakage current, it is suitable for designs with an input voltage of up to 250 volts and is especially suitable for high performance application and AC/DC adapters, when a high Zener current, low power dissipation, and a low voltage drop is needed.

The primary working principle of the CMHZ4627 is based on the constant voltage characteristics of a Zener diode. When a reverse voltage is applied across the diode higher than the breakdown voltage of 4.6 volts, it conducts in the reverse direction and limited quantity of current is allowed to flow. This voltage limitation, also known as “Zener clamping”, is then used to maintain the voltage at a predetermined safe level.

The CMHZ4627 is available in a variety of transparent and opaque cases, including the DO-214AC, SMD type, and SOD-123 package. It is also available in different power levels and thermal ratings.

Overall, the CMHZ4627 is a popular and widely used single Zener diode that is most suitable for surge protection, voltage regulation, and voltage limiting applications. Its optimized reverse breakdown voltage, third-order intercept point, low leakage current, and temperature coefficient offer excellent performance and efficiency.

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