GDZ33B-HG3-18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	33V
Tolerance:	±2%
Power - Max:	200mW
Impedance (Max) (Zzt):	250 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 25V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323

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Introduction

A diode is an electrical device that allows the flow of electric current in only one direction. Diodes are the most common semiconductor device and are widely used for a variety of applications. The type of diode generally referred to as a Zener diode is specifically designed to take advantage of the breakdown voltage that occurs when current is applied in the reverse direction. Zener diodes are used in voltage regulation, voltage limiting, over-voltage protection, ESD protection, and other applications. The GDZ33B-HG3-18 is a single Zener diode that is widely used in power supply and voltage regulation applications.

GDZ33B-HG3-18 Specifications

The GDZ33B-HG3-18 is a single Zener diode that is manufactured by Murata Corporation. It is a zener diode with a power rating of 500 mW, an operating temperature range of -55°C to +125°C, and a reverse breakdown voltage of 18 V. The GDZ33B-HG3-18 features a lead free and Pb free package with a SMD (surface mount device) construction. The package size is roughly 5.5 x 4.5 x 1.5 mm and it has a weight of approximately 0.35 grams.

Application Fields

The GDZ33B-HG3-18 is a widely used diode for power supply and voltage regulation applications. It is well-suited for use in a variety of circuits, including linear power supplies, transistors, and thyristors, where voltage regulation is required. Additionally, the GDZ33B-HG3-18 can be used in flyback switch-mode power supplies, battery-backed applications, voltage references, reset circuits, diode circuitry, and many other electronic circuits.

Working Principle

The GDZ33B-HG3-18 is a single Zener diode, which means that it allows current to flow in only one direction – from the anode to the cathode. When the voltage applied to the anode is less than the reverse breakdown voltage, no current flows and the diode is said to be "off". In contrast, when the voltage applied to the anode is greater than the reverse breakdown voltage, the diode will conduct current and the diode is said to be "on". The amount of current that the diode can safely carry depends on its power rating. The GDZ33B-HG3-18 features a low forward voltage drop and a high power rating, making it ideal for use in voltage regulation and power supply applications. It can also be used in high voltage and high temperature applications as it is rated for up to 125°C operation. Additionally, its surface mount design makes it ideal for use in electronic circuits with limited space.

Conclusion

The GDZ33B-HG3-18 is a single Zener diode with a reverse breakdown voltage of 18 V, an operating temperature range of -55°C to +125°C, and a power rating of 500 mW. It is widely used in power supply and voltage regulation applications such as linear power supplies, transistors, thyristors, flyback switch-mode power supplies, and battery-backed applications. The GDZ33B-HG3-18 has a low forward voltage drop, a high power rating, and a surface mount design, making it an ideal diode for a variety of applications.

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