ACZRC5386B-G

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The ACZRC5386B-G is a single Zener diode designed for use in low power applications. The diode has a reverse breakdown voltage of 5.5V, a maximum operating temperature of 150°C, and a maximum power dissipation of 500mW. It also features polarity reversal and transient protection capabilities, making it ideal for protecting sensitive electronics from voltage surges.

In its simplest form, a Zener diode is a two terminal semiconductor device, with the cathode connected to the positive terminal of the voltage source and the anode connected to the negative terminal. In most cases, the reverse bias of the diode, which is the voltage difference between the cathode and anode, is maintained by a series resistor, the value of which is determined by the voltage drop across the diode. When the reverse bias exceeds a certain voltage (known as the Zener Voltage or breakdown voltage), the diode begins to conduct in the reverse direction, creating a path for current to flow and creating a “clamping” effect on the voltage.

The ACZRC5386B-G is a common choice for applications that require a Zener diode in the 5.0 to 5.7V voltage range. Examples include voltage regulation and the protection of sensitive circuits in automotive, industrial, and consumer electronics applications. ACZRC5386B-G can also be used to construct a simple voltage clamping circuit by connecting it in series with a resistor between the two terminals of a power supply. This will limit the maximum voltage output of the supply to no more than the Zener Voltage.

The typical working principle of a single Zener diode is the same regardless of the specific part number. When the diode is connected in a circuit and the reverse bias across it exceeds the Zener voltage, the diode begins to conduct in the reverse direction. The voltage across the terminals will drop until it reaches the Zener Voltage, with the current through the diode adjusting accordingly. This Zener action prevents further increases of the reverse bias and limits the voltage across the terminals to the Zener voltage.

In conclusion, the ACZRC5386B-G is a single Zener diode designed for use in low power applications. The diode has a reverse breakdown voltage of 5.5V and a maximum power dissipation of 500mW. With its polarity reversal and transient protection capabilities, the ACZRC5386B-G is a popular device for protecting electronics from voltage spikes and surges. It is also a common component in voltage clamping circuits, limiting the voltage output of the supply to no more than the Zener Voltage.

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