SMBG4743/TR13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	13V
Tolerance:	±10%
Power - Max:	2W
Impedance (Max) (Zzt):	10 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 9.9V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-215AA, SMB Gull Wing
Supplier Device Package:	SMBG (DO-215AA)
Base Part Number:	SMBG4743

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Diodes - Zener - Single: SMBG4743/TR13 Application Field and Working Principle

The SMBG4743/TR13 is a Zener diode, which is a single diode that is designed to operate in the opposite direction of the way a normal diode operates. The applications and working principle of the SMBG4743/TR13 is discussed in this article.

Applications

The SMBG4743/TR13 is used as a voltage regulator in a wide range of applications including telecommunications, power protection, and auto electronics. It is also used in other electronic applications where a stable source of voltage is required.The SMBG4743/TR13 is also used in RF applications such as television receivers, satellite receivers and Bluetooth devices. Its fast switching and low capacitance make it well-suited for these applications.

Working Principle

The SMBG4743/TR13 is a reverse bias diode which operates on the zener effect. When a voltage above a certain threshold, known as the zener voltage, is applied to a diode, the diode breaks down and conducts current in the reverse direction. This allows the diode to be used as a voltage regulator, allowing a constant output voltage, regardless of variations in the input voltage. The SMBG4743/TR13 also has a low capacitance, which allows it to switch quickly and reliably. In addition, the SMBG4743/TR13 has a high power handling capability and can operate efficiently at temperatures up to +105° C.

junction and Failure

The SMBG4743/TR13 is constructed with a PN junction. A PN junction is created when two different types of semiconductor doped with opposite types of impurity atoms are joined together. This junction is formed by the diffusion of electrons and holes in the two adjacent sections. The junction is used to form the P-N junction diode, which is the basic element of the SMBG4743/TR13. The P-N junction also provides insulation between the two sections, which provides a high degree of durability and reliability.When the SMBG4743/TR13 fails, it is usually due to aging or mechanical damage. Other possible causes of failure include too high or too low operating temperature, excessive reverse bias, or excessive forward bias.

Conclusion

The SMBG4743/TR13 is a Zener diode that is used in a variety of applications, from telecommunications to power protection and auto electronics. It operates on the zener effect and has a low capacitance, allowing it to switch quickly and reliably. In addition, it has a high power handling capability and can operate efficiently at temperatures up to +105° C. The P-N junction provides insulation and durability to the SMBG4743/TR13, and when it fails, it is usually due to aging or mechanical damage. Ultimately, the SMBG4743/TR13 is a reliable and efficient diode that is well suited for a wide range of applications.

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