SMBG5947B/TR13

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Diodes are versatile electrical components that are used for a variety of applications. The SMBG5947B/TR13 is a single Zener diode that is used for applications such as protecting electrical circuits from overvoltage conditions, or for biasing a pin in a digital logic circuit. This diode’s main application field lies in protecting equipment from overvoltage events, but it can also be used in other applications.

The SMBG5947B/TR13 is constructed with a zinc oxide body and a copper ribbon on the anode, with a total height of 4.2 mm and total width of 0.2 mm. The diode has two leads, the anode and the cathode. It has a maximum power dissipation of 146 mW, a maximum current of 140 mA, and a reverse voltage of 6.8V. It also has a reverse current leakage of 150 μA when the reverse voltage is 5.1V.

The working principle behind the SMBG5947B/TR13 diode is that of a Zener diode. In the forward-bias direction, the diode behaves like a normal diode, allowing current to flow from the anode to the cathode. In the reverse-bias direction, however, the Zener effect occurs when the reverse voltage reaches a certain threshold level, known as the breakdown voltage. At this point, a large amount of current flows from the cathode to the anode, protecting the electrical circuit from overvoltage events.

One of the primary uses of the SMBG5947B/TR13 is for protecting electronic circuits and equipment from overvoltage events. In this application, the diode is connected between the source and the load, with the anode connected to the source and the cathode connected to the load. During normal operating conditions, the diode behaves like a normal rectifier, allowing current to flow from the source to the load. However, when an overvoltage event occurs, the diode quickly begins to conduct in the reverse direction, using the Zener effect to protect the circuit from over-voltage damage.

The SMBG5947B/TR13 is also used as a biasing tool in digital logic circuits, by connecting it between the power supply voltage and the logic pin. This is known as biasing the pin to a certain voltage. When the biasing voltage is reached, the diode begins to conduct current and the logic pin output changes. Thus, the SMBG5947B/TR13 can be used to keep the logic pins and other components of the digital logic circuit at a constant voltage, thus ensuring that the logic functions correctly.

The SMBG5947B/TR13 is a versatile Zener diode that can be used for a variety of applications, from protecting electronic circuits from overvoltage events to biasing pins in digital logic circuits. With its small size and low power dissipation, the SMBG5947B/TR13 is an ideal choice for applications where size and power consumption are important considerations. Thus, the SMBG5947B/TR13 diode is a useful component for many different types of electronic and digital circuits.

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