SZMM3Z47VT1G

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	47V
Tolerance:	±6%
Power - Max:	300mW
Impedance (Max) (Zzt):	170 Ohms
Current - Reverse Leakage @ Vr:	50nA @ 18.9V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323

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IntroductionThe SZMM3Z47VT1G is a single Zener diode, one type of diode that is particularly useful for providing a stable voltage reference across a range of currents. The SZMM3Z47VT1G is designed for use in applications requiring high performance, accuracy, and reliability. It offers exceptional performance characteristics over a wide range of ambient temperatures and current levels.Technology and SpecificationsThe SZMM3Z47VT1G single Zener diode is a silicon-based device with a simplified structure compared to a conventional diode. This device has a built-in rectifying junction and an intrinsic semiconductor layer. The junction is reverse-biased when connected across a load, providing a highly reliable voltage reference while dissipating negligible power.The SZMM3Z47VT1G has a maximum rated power dissipation of 1 Watt and a nominal reverse breakdown voltage of 47 volts. The maximum forward voltage drop at 1A is 0.4V, and it has a frequency of 5.4kHz when operated in its breakdown region.ApplicationsThe SZMM3Z47VT1G single Zener diode is ideal for applications requiring high performance and accuracy in regulating voltage levels. It is commonly used in power supplies, battery management systems, power management systems, and other automotive and industrial applications. In addition, it is often used as a voltage reference in digital logic circuits and signal conditioning systems. For example, it can be used to provide a stable output signal to a sampling circuit, eliminating signal noise and improving the quality of the resultant signal.Other common applications include voltage clamping, surge protection, voltage current sensing, and ripple suppression. The SZMM3Z47VT1G is well-suited for use in AC/DC converters, motor control systems, telecommunications, and smart metering applications.Working PrincipleThe working principle of the SZMM3Z47VT1G single Zener diode is based on the reverse-biased operation of the built-in rectifying junction. When connected across a load, the voltage applied to the diode is reverse-biased, meaning the diode does not conduct current. The voltage across the junction is determined by the characteristics of the device and is held constant over a wide range of current levels. The device will remain in the breakdown region at a constant voltage until the current level exceeds its rated power dissipation.At the breakdown voltage, negative resistance is developed, allowing the device to pass more current as the applied voltage is further increased. The current will eventually reach a maximum level determined by the device\'s power rating and temperature.ConclusionThe SZMM3Z47VT1G single Zener diode is an ideal choice for applications requiring high performance and accuracy in regulating voltage. It provides superior performance characteristics over a wide range of ambient temperatures and current levels. Its reverse breakdown voltage of 47 volts, maximum rated power dissipation of 1 watt and maximum forward voltage drop at 1A of 0.4V makes it an ideal choice for applications such as power supplies, battery management systems, and digital logic circuits. The working principle of the SZMM3Z47VT1G is based on the reverse-biased operation of its built-in rectifying junction, allowing it to provide a stable voltage reference over a wide range of currents.

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