AZ23C47-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):	47V
Tolerance:	±5%
Power - Max:	300mW
Impedance (Max) (Zzt):	100 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 35V
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 AZ23C47-E3-18 is a type of semiconductor array designed by STMicroelectronics. This device is a dual-channel common cathode series array, specifically designed to provide maximum ESD protection and low capacitance. It is suitable for low voltage, portable and consumer electronic applications. This array also offers excellent static and dynamic characteristics such as low current consumption, low operating temperature, fast switching time and high noise immunity.

Features

The AZ23C47-E3-18 array is composed of two back-to-back, monolithic integrated circuits which provide protection for data communication interface lines. This device is designed to be extremely effective against high voltages and fast rising transients, such as those seen on RS232 and Firewire interface lines, while at the same time offering low capacitance. The array also provides series diodes between binary units to avoid short circuits and isolate high speed lines. The AZ23C47-E3-18 offers a wide range of features and advantages. It has a very low static, quiescent and normal voltage drop of just 0.2V and a response time of only 1 ns. Its low current consumption makes it ideal for use in battery operated systems. In addition, its low thermal resistance ensures that the device is able to withstand operating temperatures up to 150°C. The array also features a low thermal limit and fast switching capability, which make it an excellent choice for high speed applications.

Application Field and Working Principle

The AZ23C47-E3-18 is designed primarily for ESD and transient protection applications in mobile and consumer electronic devices. It is suitable for use in data communication interfaces such as RS232 and Firewire, as well as low voltage DC motor control circuits. This device is also useful in other areas such as computer peripheral and input/output circuits. The AZ23C47-E3-18 works by providing a short, low resistance path to ground when the voltage on the interface line passes a certain level. This protects the interface line and the device connected to it from high voltage transients. It also prevents the device from being damaged by overvoltage. The array works by opening the low resistance path to ground as soon as the voltage on the interface line passes a threshold level. This allows the excess voltage to be dissipated to ground, protecting the device from damage.

Conclusion

The AZ23C47-E3-18 array is a valuable tool for protecting data communication interfaces and low voltage DC motor control circuits from high voltages and transients. Its low current consumption and fast response time make it ideal for use in battery operated systems. In addition, its high noise immunity and low operating temperature make it suitable for use in a wide range of applications.

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