GLL4742A-E3/97

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	12V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	9 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 9.1V
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 to the GLL4742A-E3/97

The GLL4742A-E3/97 is a single Zener diode designed for general-purpose applications. This diode is constructed with a Zener breakdown voltage of 6.2V and a power dissipation rating of 500mW. It has a operating temperature range of -55 to +175°C, so it is suitable for use in a range of applications.

Application Field

The GLL4742A-E3/97 is a versatile device that can be used in a number of applications. One of the main uses of the GLL4742A-E3/97 is in voltage regulation. This diode can be used to regulate voltages by allowing currents to flow in one direction in a circuit while blocking those in the opposite direction. This helps to ensure a steady voltage output without the variability of a resistor-only voltage regulator.The GLL4742A-E3/97 can also be used as a Zener diode. This device can be used as a simple switch that triggers when it reaches a certain voltage. It also has dynamic switching properties, which makes it suitable for signal conditioning, noise filtering and surge protection.Another application of the GLL4742A-E3/97 is flyback protection. This diode can be used in conjunction with a transformer to protect against flyback power surges. The diode prevents any excess current from flowing from the secondary winding of the transformer back to the primary winding.

Working Principle

The GLL4742A-E3/97 is designed to conduct a current in one direction and block it in the opposite direction. This is known as the Zener breakdown effect, and it occurs when the voltage across the diode reaches a certain value known as the Zener voltage. When a voltage is applied to the diode, it takes time for the voltage to reach the Zener voltage. When it does, current begins to flow from the anode to the cathode of the diode. This creates a low-resistance path for the current, resulting in a voltage drop across the diode. The amount of current that can flow through the diode is limited by the power dissipation rating of the diode. When the current exceeds this rating, the diode will be destroyed. Therefore, it is important to make sure that the power rating is not exceeded when using the GLL4742A-E3/97.

Conclusion

The GLL4742A-E3/97 is a single Zener diode designed for general-purpose applications. It has a wide range of uses, including voltage regulation, Zener diode switching, and flyback protection. This diode has a Zener breakdown voltage of 6.2V and a power dissipation rating of 500mW, and it has an operating temperature range of -55 to +175°C. The Zener breakdown effect is responsible for the diode\'s ability to conduct a current in one direction and block it in the opposite direction. Proper use of the GLL4742A-E3/97 requires ensuring that the power rating is not exceeded.

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