GLL4737A-E3/97

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	7.5V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	4 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 5V
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AB, MELF
Supplier Device Package:	MELF DO-213AB

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Introduction of GLL4737A-E3/97

GLL4737A-E3/97 (hereafter referred to as GLL4737A) is a type of Zener diode, a single component device used to regulate voltage or to provide protection for circuits. It is specifically designed for high frequency protection applications, such as in communication systems and critical applications like in medical devices. This article introduces the application field and working principle of GLL4737A.

Application Field of GLL4737A

GLL4737A is a single component device. It is mainly used in communication systems and other critical applications with high frequency protection needs. Examples of communication systems include telecom equipment, wireless networks, and high-speed data transfer devices.Due to its high-frequency protection functions, GLL4737A is also popular in many medical devices. It is used to prevent voltage surges and power outages, which can potentially damage sensitive medical instrumentation. Other applications include switch mode power supplies, over-voltage and over-current protection, and protecting sensitive components used in industrial and automotive applications.

Working Principle of GLL4737A

GLL4737A is made up of a diode, which acts as a semiconductor device that allows current to flow in one direction only. The amount of current allowed to flow is regulated by the voltage of the diode, which is determined by the Zener voltage of the diode. The Zener voltage is determined by the doping level of the diode and its junction temperature (Tj). When reverse biasing the diode, due to the low doping level, the diode\'s electrical field cannot increase any further and current can only flow in the reverse bias direction. This is what is referred to as the Zener effect. The Zener voltage of the diode can be adjusted by altering the doping level or temperature. The voltage regulation of GLL4737A is ensured by its low working voltage, high stability, and high frequency protection. It can be used with other components to provide temporary protection from over-voltage and over-current, avoiding permanent damage to sensitive information and other components in the circuit.

Conclusion

GLL4737A is a type of Zener diode, a single component device used to regulate voltage or to provide protection for circuits. It is specifically designed for high frequency protection applications, such as in communication systems and critical applications like in medical devices. The application and working principle of this device have been explained above.

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