SMPZ3926B-E3/85A

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The SMPZ3926B-E3/85A is a zener diode with an exceptionally low maximum reverse voltage of 3.9V. This makes it an ideal component for use in low voltage applications, such as powering digital circuits or controlling the output of an AC power supply.

Zener diodes are a type of diode that is specifically designed to allow current to flow in the reverse direction when a certain threshold voltage (known as the breakdown voltage) is reached. Unlike other diodes, when the breakdown voltage is reached a Zener diode does not immediately shut off the flow. Instead, the current flow is limited to a specified value, enabling it to act as a voltage regulator.

The SMPZ3926B-E3/85A has a breakdown voltage of 3.9V and a maximum reverse current of 85mA. It also has a temperature coefficient of -1.3mV/℃, meaning that its breakdown voltage will change slightly with temperature. As such, it is often used in applications requiring an accurate and stable voltage source, such as in portable electronics.

The SMPZ3926B-E3/85A is also commonly used as a level shifter, which is a device used to increase or decrease the voltage of a signal. By connecting the Zener diode to a signal with a higher voltage than its breakdown voltage, the current will be diverted away from the signal and the voltage will be lowered. Conversely, if a signal with a lower voltage than the breakdown voltage is connected to the Zener diode, the current will be drawn from the signal and the voltage will be increased.

Due to its low breakdown voltage, the SMPZ3926B-E3/85A is also an ideal component for use in noise suppression applications. When connected in parallel with a signal, the diode’s low breakdown voltage will limit the amplitude of the signal, thereby reducing the amount of noise that can be introduced into the signal path.

Finally, the SMPZ3926B-E3/85A can also be employed in overvoltage protection applications. By connecting it to a power supply or other power line, the diode will protect the circuit in the case of an overvoltage condition by diverting excesscurrent away from the circuit.

The SMPZ3926B-E3/85A is an invaluable component for any engineer designing low voltage or noise suppression circuits. Its low breakdown voltage and 85mA maximum reverse current , reliable temperature coefficients make it an ideal choice for a variety of applications.

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