MMSZ4690ET3

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	5.6V
Tolerance:	±5%
Power - Max:	500mW
Current - Reverse Leakage @ Vr:	10µA @ 4V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123
Supplier Device Package:	SOD-123
Base Part Number:	MMSZ4690

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The MMSZ4690ET3 is a single zener diode that belongs to the Diodes - Zener - Single family. It is a semiconductor device that is used for protecting electrical circuits against transient overvoltages, as well as for dealing with transient overvoltages generated by a switching load. It is a popular choice for circuits where overvoltage protection and reliability are a priority.The MMSZ4690ET3 is a 3.2 V zener diode that operates at 70 mA current in a reverse bias configuration. It can be used to regulate a forward bias current through a resistor. The MMSZ4690ET3 features a cathode with an integrated guard ring that safeguards the diode against transient voltage spikes and other overvoltage occurrences.The MMSZ4690ET3 is a popular choice for many kinds of applications. It is commonly used in DC circuits to protect sensitive devices from transient overvoltages. It can also be used in AC circuits as a simple regulator, due to its low leakage current, low forward voltage drop, and consistent voltage regulation across a wide range of temperatures. It is also used in radio receivers, power supplies, and other electronic circuits that require efficient overvoltage protection.In addition to its overvoltage protection properties, the MMSZ4690ET3 also has other useful characteristics. It has a high power dissipation rate, meaning it can withstand a large amount of power without suffering from thermal failure. It is temperature stable, allowing for consistent performance in wide temperature ranges. It also has a peak surge capability of 45A, making it suitable for high-current applications.The working principle of the MMSZ4690ET3 is based on the zener effect. When reverse biased, the diode develops a voltage known as the Zener voltage. This Zener voltage is dependent on the chip chemistry, structure, and doping level of the diode. Any external electric current applied to the diode is resisted by the reverse biased electric field and flows out through the diode, creating a steady voltage across it. In this way, the MMSZ4690ET3 can be used as a voltage regulator, providing stable voltages across a wide range of temperatures.The MMSZ4690ET3 is an ideal choice for many kinds of applications that require transient overvoltage protection, voltage regulation, and current control. Its wide range of capabilities and features make it a popular choice for many kinds of electronics projects and applications. Whether you’re looking for a way to protect your circuits from overvoltages, regulate a current, or simply need a reliable voltage regulator, the MMSZ4690ET3 can help.

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