Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	4.7V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	8 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 1V
Operating Temperature:	175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AB, MELF (Glass)
Supplier Device Package:	DO-213AB

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Diodes - Zener - Single - ZM4732A-GS18

The ZM4732A-GS18 is a high-stability diode designed specifically for use as a voltage regulator in a wide variety of electronic devices. In operation, the Zener diode acts like a standard diode but with the added ability to regulate voltages in the case of over or under-voltage conditions. This makes it an ideal choice for protecting sensitive electronics from potentially damaging power surges.The ZM4732A-GS18 is a unique single-diode design. It relies on a chemical-electrostatic action between its two terminal contacts in order to regulate the current flowing through the device. This process is regulated by the introduction of an electric field into the diode, which causes a shift in the electrostatic force of the diode and modulates the transfer of energy between its two electrodes. This in effect creates a "valve" like action which is capable of blocking, controlling, redirecting, or diverting electrical current.The ZM4732A-GS18 is widely used in the electronics industry as a voltage regulator and is especially popular in the video game and computer industries. This is due to its small size and low power consumption, which make it ideal for use in compact electronic circuitry. Its ability to regulate voltages over a wide range of conditions also makes it useful in many other application fields, such as consumer products, automation systems, telecommunications, automotive, and more.The ZM4732A-GS18 is capable of operating from 0.15V to 18V, with a current rating of up to 2 A. It is capable of dissipating up to 3 Watts of power and has a typical forward voltage drop of about 0.8V. The device is packaged in a small SOT package which features two surface-mounting terminals for fast and easy installation.The working principle of the ZM4732A-GS18 is fairly straightforward. When forward voltage is applied to the device, electric current is allowed to flow through it under normal conditions. However, when the applied voltage exceeds a specific threshold (known as the Zener voltage threshold), the power supply to the device is cut off, and the device begins to regulate the voltage to the predetermined limit. This prevents excess current from entering the device and causing it to overheat.In conclusion, the ZM4732A-GS18 is an ideal choice for voltage regulation applications due to its high-stability, small size, and low power consumption. It is widely used in the electronics industry due to its ability to regulate voltages over a wide range of conditions, making it suitable for a variety of applications.

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