SMPZ3934B-M3/85A

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Diodes are essential components in the circuitry of any electronic device due to the unique properties they possess. One type of diode is the Zener diode, and within the Zener diode family, a commonly used component for a variety of applications is the SMPZ3934B-M3/85A. This diode is especially useful for its high current handling capabilities, along with its excellent thermal, electrical, and mechanical characteristics. This article will discuss the application field and working principle of the SMPZ3934B-M3/85A, furthering the understanding of these useful and important components and their uses.

When looking for a diode for a specific application, the SMPZ3934B-M3/85A should be among the top considerations. One of the primary areas where this diode can be applied is in power distribution systems such as DC-DC converters and inverters. This component is perfect for these applications due to its superior reverse voltage stability, as well as its overall low power losses. Furthermore, the SMPZ3934B-M3/85A can sometimes be used as an alternative to an integrated circuit in many power supply designs, providing an efficient and cost-effective solution.

The SMPZ3934B-M3/85A also finds use in switched mode power supplies (SMPS) due to its ability to provide a steady voltage across its terminals regardless of the load current. This diode is perfect for SMPS, which are used in a wide range of devices such as televisions, DVD players, and electronic clocks. Their robustness and dependability make them ideal for the hostile environments often encountered in such applications.

The SMPZ3934B-M3/85A is also quite adept at protection against electrostatic discharge and common mode surge. The diode’s use in this regard increases the reliability and longevity of connected devices. In addition, this component also finds utility as an output current regulator for charge pumps and pulse width modulation power supplies.

The SMPZ3934B-M3/85A works by exploiting the Zener effect, a property of diodes that allows them to control the current running through them. The Zener breakdown voltage is the voltage at which the diode allows the current to flow, and this voltage can be specified for each diode. The SMPZ3934B-M3/85A has a Zener breakdown voltage of 17V, which makes it particularly useful for applications that require strict voltage regulation.

The SMPZ3934B-M3/85A also has a maximum reverse voltage of 18V and a very low leakage current of 0.2 mA at 25 degrees Celsius. These low leakage currents and high breakdown voltages ensure reliable operation, especially in cases of high frequency switching. Furthermore, the diode also has an optimised ESR (equivalent series resistance), which helps to mitigate any voltage drops experienced during operation.

The SMPZ3934B-M3/85A is a great choice for engineers looking to incorporate a durable, reliable, and low-cost diode in their designs. Its wide variety of uses, from power distribution systems to switched mode power supplies, makes it an invaluable component in any circuitry. It can provide accurate voltage regulation and protection against electrostatic discharge and surges, and its excellent thermal, electrical, and mechanical characteristics make it a reliable and dependable part for any application.

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