MMSZ5248B-HE3-18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	18V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	21 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 14V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123
Supplier Device Package:	SOD-123

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MMSZ5248B-HE3-18 Application Field and Working Principle

MMSZ5248B-HE3-18 are a type of single Zener diodes with a wide band of applications. These versatile and reliable components can be used in a variety of circuits, including those that provide power regulation, signal control, and even switching.What is a Zener Diode?A Zener diode is essentially a reverse biased diode that experiences a voltage drop when there is current flow. It\'s designed to allow a specific current to flow when there is a specific voltage applied to it. This type of diode is ideal for creating a voltage reference, sensing a voltage/current in a circuit, or providing power regulation.MMSZ5248B-HE3-18 Application FieldMMSZ5248B-HE3-18 is a type of Zener diode which is perfect for use in a variety of common applications or designs, such as - Power regulation (e.g. in DC-DC converters) - Surge and flyback protection - Output voltage control in electronic control systems - Low voltage clamping - Voltage/current sensing- Electrical switches- Electronic transformers- Audio amplifiers- OscillatorsMMSZ5248B-HE3-18 Working Principle When a voltage is applied to any Zener diode, the current in the circuit flows through the diode, and the Zener diode will regulate the current as it passes through. When the voltage reaches the breakdown voltage of the Zener diode, the current can flow freely through it. This voltage is known as the Zener voltage.This breakdown voltage is a function of temperature. As the temperature increases, the breakdown voltage of the diode decreases. This means that the Zener diode will constantly regulate the current in the circuit, maintaining its output voltage at the same level even if the input voltage fluctuations.MMSZ5248B-HE3-18 diodes are designed with an internal resistance. This ensures that the voltage regulation capabilities of the diode remain unaffected by any changes in external resistance. The Zener diodes also have a maximum allowable power dissipation. This maximum power dissipation rating should be kept in mind when designing your circuit to ensure optimal performance of the diode.Conclusion MMSZ5248B-HE3-18 are versatile, reliable, and ideal for use in a variety of electronic designs. They are perfect for providing power regulation, voltage control, voltage/current sensing, surge and flyback protection, and other applications. With their adjustable Internal resistance, these diodes can easily continue to regulate the current even if the input voltage fluctuates. As such, they are an incredibly useful and reliable device and should be taken into consideration in any electronic design.

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