ZM4731A-GS18

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	4.3V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	9 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

Zener diodes are widely used in many applications, and the ZM4731A-GS18 is one of the most popular among them. This device is a silicon-based Zener diode that is used to regulate voltage in many applications. It is easy to implement, relatively inexpensive, and can provide a useful amount of current.The ZM4731A-GS18 has a reverse breakdown voltage of 18 volts. This is the point at which the diode will allow current to start flowing from anode to cathode. The operating temperature range is from -65° to 125°C. The ZM4731A-GS18 is available in DO-35 and SOD-123 packages.The normal operating range for the ZM4731A-GS18 is from -65°C to 125°C. This diode has a power dissipation rating of 400 milliwatts, which means it can be used in a wide range of current-handling applications. The peak reverse current rating is equal to the continuous reverse current rating.In terms of application fields, the ZM4731A-GS18 is suitable for all sorts of applications. It can be used to regulate voltages in analog, digital, and logic circuits. It can also be used as an overvoltage protection device, preventing excessive voltages from damaging sensitive equipment. It can also be used as a reference voltage in certain applications.The working principle of the ZM4731A-GS18 is relatively straightforward. When the diode’s anode and cathode are connected in a forward bias, current will flow from the anode to the cathode. When the reverse bias voltage is greater than 18 volts, the diode will start to conduct current from the cathode to the anode. This allows the Zener diode to regulate voltage across the device.The Zener current is the minimum current required to maintain the voltage across the diode. It is much lower than the maximum current that the diode can handle. The stability of the diode depends on the amount of Zener current, which should be kept to a minimum.The ZM4731A-GS18 can be used in both linear and switching regulators. Its low impedance and high surge current rating make it suitable for applications where voltage regulation and overload protection are necessary. It can also be used in high voltage rectifier circuits.In conclusion, the ZM4731A-GS18 is a versatile Zener diode with wide usage in many applications. Its reverse breakdown voltage of 18 volts and operating temperature range of -65° to 125°C make it suitable for a range of applications. Its low Zener current and high surge current ratings make it a reliable choice for applications that require voltage regulation and overload protection.

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