DFLZ9V1Q-7

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	9.1V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	1 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 5V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	POWERDI®123
Supplier Device Package:	PowerDI™ 123

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Introduction

The DFLZ9V1Q-7 is a single Zener diode designed to be used in a variety of applications. Zener diodes are an essential component of many electronic circuits, as they act as a two-way driver between two power sources. The DFLZ9V1Q-7 specifically is designed as a perfect match for automotive, computer, telecommunications, and other electronics applications. It is also suitable for many industrial applications such as voltage regulators, signal conditioning, and surge protection.

Overview of DFLZ9V1Q-7

The DFLZ9V1Q-7 is a single Zener diode with a reverse breakdown voltage of 9V. It is a high performance diode, capable of handling up to 400mA of continuous operation, and features a standard 5mm x 4mm package size to satisfy a variety of needs. Additionally, the DFLZ9V1Q-7 has a maximum forward voltage of 1.2V, making it ideal for many low-voltage applications.

Application Field and Working Principle

The DFLZ9V1Q-7 is a versatile and reliable choice for a wide range of applications. In its basic function, it acts as a protection device, eliminating the possibility of overvoltage in a circuit. For instance, in a static circuit, the Zener diode can be used as a voltage reference, reducing the voltage input to a desired level. In power supply applications, the DFLZ9V1Q-7 is a useful component for ensuring systems are protected from common voltage abnormalities and surges. The operation of a Zener diode is based on a basic principle of diode operation. When a forward current is applied to the diode, most of the current is blocked except for a small amount that passes through the junction of the diode, and the voltage drop across the diode is determined by the characteristics of the junction. When a reverse voltage is applied, the current is blocked and the voltage is equal to the reverse breakdown voltage — in the case of the DFLZ9V1Q-7, this voltage is 9V. Thus, when a high voltage is applied to the circuit, the Zener diode is able to “breakdown” and reduce the voltage to 9V. In addition to overvoltage protection, Zener diodes find use in many other applications. For instance, they are commonly used in circuits as a voltage regulator, wherein the reverse breakdown voltage of the diode serves as a reference voltage. Other applications include the use of Zener diodes as a current limiter, surge limiter, and stabilization element.

Conclusion

The DFLZ9V1Q-7 is an excellent example of a single Zener diode, which can be used in a variety of applications. Its versatility, reliability, and wide current handling make it a great choice for automotive, computer, telecommunications, and many industrial applications. As a result, it is a useful component for keeping various systems protected from overvoltage and other abnormalities.

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