SMBG4736/TR13

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SMBG4736/TR13 Diodes - Zener - Single Application Field and Working Principle

The SMBG4736/TR13 diode is a single Zener diode which is used in various fields from consumer electronics to high performance electronics.

The diode is available in a 3.3V, 4.7V and 6.2V variation. It has a reverse voltage of up to 5V, a maximum power dissipation of 500mW and a maximum average forward current of 200mA. The diode has an operating temperature range of -40°C to +85°C and is packaged in a SOT-23 surface mount package.

The Zener diode can be used as a voltage regulator in circuits. When connected in the reverse direction with a higher voltage, it reduces the voltage across the diode and increases the current, which then stabilizes the voltage. It can be used in applications such as voltage reference, voltage clamps, voltage dividers and surge / over-voltage protection.

The diode also has other uses, such as it can be used as a noise filter to reduce high frequency interference. And it is used as an isolator in analog to digital converters, which helps to prevent interference in the circuit due to ground loops caused by different voltage levels.

The device can be used in a wide range of applications including power supply circuit protection, AC/DC industrial power supplies, battery chargers, DC to DC converters, SMPS, telecom, datacom, and automotive electronics.

The Zener diode works by the fact that whenever a voltage is applied to the Zener diode, a minority charge carrier such as electrons or holes will be injected into the intrinsic semiconductor, creating a depletion region at the junction. This depletion region allows the current to flow through the junction but reduces the voltage across it, thus stabilizing the voltage output.

The Zener diode also has a breakdown voltage, which is the voltage that is applied to the diode at which the depletion region is overcome and the current starts to increase dramatically. The breakdown voltage is determined by the amount of doping of the intrinsic semiconductor material.

SMBG4736/TR13 Diodes - Zener - Single has a variety of uses and advantages. It can provide voltage stabilization, circuit protection, noise control and isolation in various applications. It is convenient to use because it is small, low cost and easy to incorporate into a design. Its breakdown voltage can also be controlled by doping, so it can be used in various applications.

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