SMAJ4743E3/TR13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
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:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	DO-214AC
Base Part Number:	SMAJ4743

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Diodes - Zener - Single - SMAJ4743E3/TR13 Application Field and Working Principle

The SMAJ4743E3/TR13 is a diode belonging to an important and popular group of diodes, namely Zener diodes. A Zener diode is a particular type of diode that, unlike a normal diode, has the properties of allowing current to both flow forward and flow in the reverse direction. However, unlike a normal diode, a Zener diode allows the current to flow in the reverse direction with a significantly lower forward-current. This makes the Zener diode an ideal component for voltage regulation and voltage stabilization in electrical circuits and systems.The SMAJ4743E3/TR13 is one example of a Zener diode. It is manufactured by STMicroelectronics and is designed for use in automotive and other high-power applications. This diode has a rated voltage of 43V and a maximum peak forward voltage of 43V. It is designed with a fast reverse recovery time and a forward surge current rating of 10A. The SMAJ4743E3/TR13 also has an excellent current handling capacity, making it an ideal choice for automotive applications.The SMAJ4743E3/TR13’s unique feature is its ability to act as a voltage regulator, as well as a voltage stabilizer. This diode is able to detect changes in voltage, such as from surges, and will quickly reduce the voltage to a consistent level. The SMAJ4743E3/TR13 will keep the voltage at the desired level until the power is removed. This makes the SMAJ4743E3/TR13 an excellent solution for use in automotive applications, where voltage regulation and stabilization are required to ensure the safety and reliability of the vehicle’s electrical systems.The SMAJ4743E3/TR13’s working principle is simple but effective. When the diode is connected in a circuit, it will allow current to flow in both directions. However, once the voltage level rises, the diode will start to reduce the amount of current flowing in the reverse direction. This reduces the overall voltage in the circuit, and keeps it at a consistently low level. The SMAJ4743E3/TR13 works by reverse biasing the zener junction, which literally ‘shuts off’ the current flowing in the reverse direction.In conclusion, the SMAJ4743E3/TR13 is an excellent example of a Zener diode. It is designed for use in automotive and other high-power applications, and it has a rated voltage of 43V and a fast reverse recovery time. It also has an excellent current handling capacity. The main feature of the SMAJ4743E3/TR13 is its ability to act as a voltage regulator and stabilizer, making it an ideal solution for automotive applications. Its working principle is based on reverse biasing the diode’s zener junction, which creates the desired voltage level.

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