SMBJ4729/TR13

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Despite of being an old technology with proven reliability and cost effectiveness, semiconductor diodes have continued to benefit from technological advances. Diodes - on their own, with other elements like taps or Zener diodes - are an important part of significant developments in electronics and computer systems, and one of these is the SMBJ4729/TR13, a single Zener diode, a widely applied and widely cited device. This article will cover the application fields and working principle of the SMBJ4729/TR13.

The SMBJ4729/TR13 is a single Zener diode widely used in electronics and computer systems. Like many other diodes, it is a small, rugged, and low-cost electronic component. Its construction consists of two layers of semiconductor material, each with a differing number of electrons, which are attached to a metal plate and metal contacts. The physical size can be quite small, coming in at only 3.3 mm wide and 1.3 mm tall, and it is usually housed in a small plastic or ceramic package.

The single Zener diode of the SMBJ4729/TR13 has a number of applications. It is used in electrical circuits to protect against overvoltage and to regulate voltages along circuit paths. It can provide voltage protection against large inrush currents and slow voltage transients, and can also be employed for the generation of a reference voltage. It is also suitable for applications such as semiconductor testing, Telecommunications systems, power management, and power supplies.

The SMBJ4729/TR13 has two unique features; it is a bidirectional device and it has an extremely low-leakage current. It is also highly reliable and has a varactor temperature range of -55C to 150C. The maximum reverse leakage current of the SMBJ4729/TR13 is <10uA, and the variation between parts is low, less than 5%, which is a great advantage if precise control is required. It’s greater than 500 mV breakdown voltage and is able to withstand up to 7.00 Volts of forward voltage.

The operating principle of the single Zender diode of the SMBJ4729/TR13 is fairly simple. It works like a normal diode in that it only allows current to flow in one direction, from the anode to the cathode. However, when the voltage across the device exceeds a certain threshold, known as the Zener voltage, the device begins to conduct current in both directions. This is due to the transfer of some electrons from the anode to the cathode. This process is known as Zener Breakdown.

The SMBJ4729/TR13 has numerous advantages compared to other diodes. It has a relatively low voltage drop and can handle high levels of reverse current. Additionally, it provides a stable voltage reference, which is helpful for applications such as power-line sensing. Furthermore, its small size and low cost contribute to it being a popular choice among industrial designers.

In conclusion, the SMBJ4729/TR13 is a widely used single Zener diode that has a number of important applications in electronics and computer systems. It works by allowing current to flow in one direction and conducting current in both directions when the voltage exceeds a certain Zener voltage. It provides a low voltage drop and is useful for applications such as power-line sensing. It is also relatively low cost and has a small size, making it a popular choice in industrial design.

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