AZ23C4V7-E3-18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Configuration:	1 Pair Common Anode
Voltage - Zener (Nom) (Vz):	4.7V
Tolerance:	±5%
Power - Max:	300mW
Impedance (Max) (Zzt):	70 Ohms
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23

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Introduction

The AZ23C4V7-E3-18 is an array type Zener diode specifically designed for applications that require protection from reverse voltage transients. It is ideal for automotive, consumer and industrial electronics as well as LED lighting, networking, and medical devices. The AZ23C4V7-E3-18 provides improved speed and surge protection over traditional Zener diodes. It can reduce design complexity, cost, and board space by eliminating multiple discrete components.

Design

The AZ23C4V7-E3-18 array type Zener diode is designed with a combination of four surface mountable diodes in a single, 8 lead package. The device has two Zener diodes in series and two TVS diodes connected in parallel between the anode and cathode. The device also features an integrated protection diode, which is designed to act as a backdoor in the event of system faults.

Working Principle

The AZ23C4V7-E3-18 array type Zener diode works according to the principle of the Zener Diode. This is a two-terminal electronic component that has two regions of conductive semiconductor material. One terminal is a cathode and the other terminal is an anode. As voltage is applied to the anode, electrons flow across the junction and create a voltage drop across the device. This voltage drop is known as the "Zener Voltage". If the applied voltage is greater than the Zener Voltage, the diode acts as a normal diode and allows current to flow. This is commonly referred to as the "breakdown voltage". The AZ23C4V7-E3-18 array type Zener diode also features integrated TVS diodes which are designed to rapidly respond to voltage transients and provide additional protection against over voltage conditions. The TVS diodes are connected in parallel between the anode and cathode and will clamp any voltage spike up to 18V. The combined action of the protection diode and the TVS diodes ensure that the device is protected from voltage transients and surges.

Application Fields

The AZ23C4V7-E3-18 array type Zener diode is ideal for automotive, consumer and industrial electronics as well as LED lighting, networking, and medical devices. It provides improved speed and surge protection over traditional Zener Diodes, making it an ideal choice for a wide range of applications.The device is also suitable for use in computer motherboards and power supplies as it can provide a high level of voltage protection. It can also be used in battery circuits where it can provide reverse bias protection.Due to its small form factor and integrated protection diode, the device can be incorporated into system designs that require minimal board space and no additional components. The device can also be used in automotive electronics and is suitable for use in applications that require medium surge protection.

Conclusion

The AZ23C4V7-E3-18 array type Zener diode is a highly reliable device designed for use in a wide range of applications. The device offers improved speed and surge protection over traditional Zener diodes and can reduce design complexity, cost, and board space. The device is ideal for automotive, consumer and industrial electronics as well as LED lighting, networking, and medical devices.

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