SMBG5949BE3/TR13

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Diodes - Zener - Single are often used in different applications and among them, SMBG5949BE3/TR13 is an important component. In order to understand the application field and working principle of this component, it is necessary to describe its features.

The SMBG5949BE3/TR13 is a small signal Schottky diode that operates in the reverse breakdown voltage range from 5.6V to 9.0V with a maximum Zener current of 50mA. This component is designed for use in low-profile surface mount applications, typically in analog and digital signal processing systems, and can be used as an active clamp device in protection circuits.

The Zener diode contains a P-type material at the center of the junction surrounded by an N-type material. A voltage applied in the forward direction inhibits the current flow, while the same voltage applied in the reverse direction allows current to flow. That is, it conducts current in both directions. In addition, when the reverse voltage exceeds the nominal Zener voltage, current will flow even in the reverse direction.

The key factor that makes the SMBG5949BE3/TR13 diode distinct is its lowforward voltage (V_F) drop and low leakage current, as well as its significant working temperature range from -55°C to 125°C. This functionality makes it suitable for use in electronics applications that operate at wide voltage range, with high speed switching and low power consumption.

Different applications of the SMBG5949BE3/TR13 include the protection of the power supply in various DC/DC converters, voltage regulators, current limiter circuits and protection of circuit elements in various types of data processing systems. It is also used in low voltage switching circuits and low voltage regulators, limited conducting circuits in integrated systems, and in televisions, AC adapters and computers.

The working principle of the SMBG5949BE3/TR13 Zener diode is based on the Zener effect, which is a form of breakdown phenomenon where the electric current flowing through the diode increases rapidly with a small increase in voltage. This effect occurs due to the crossing of an electric field across the junction between the P and N type materials, resulting in electrons from the N type material to move the P type material.

The SMBG5949BE3/TR13 is an ideal component for low voltage applications as it creates noise-free current paths over a wide voltage range with low forward voltage (V_F) drop and low leakage current. Furthermore, its significant working temperature range from -55°C to 125°C makes it suitable for use in electronics applications.

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