1N4746AE3/TR13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	18V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	20 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 13.7V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Base Part Number:	1N4746

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1N4746AE3/TR13 Introduction

The 1N4746AE3/TR13 is a single Zener diode designed for use at lower current levels than 1N4742AE3/TR13 and other similar devices. As with all Zener diodes, it provides a breakdown voltage that can be used to regulate the output voltage of a circuit. The difference between the 1N4746AE3/TR13 and other similar devices is that it has a higher zener impedance, making it suitable for operation at lower current levels.

Features of 1N4746AE3/TR13

1N4746AE3/TR13 is designed using an axial leads package, has a reverse breakdown voltage of around 6.2V, and available in DO-35 package. Additionally, it provides a maximum power dissipation of 500 mW, a maximum reverse current of 50uA, and an operating temperature range of -55C to 125C.

Application Fields

1N4746AE3/TR13 has a wide range of applications and can be used in low voltage power supplies, voltage regulators, voltage reference circuits, and current limiting circuits. It can also be used for lighting control and in mixed signal applications. Additionally, it is suitable for use in battery-powered systems, embedded systems, and timer circuits.

Working Principle

The 1N4746AE3/TR13 works by allowing a small leakage current through the diode when the reverse bias is applied to it. This current helps to regulate the output voltage of a circuit. When the reverse bias is applied to the diode, the current increases. As this current increases, it causes the dynamic impedance of the diode to decrease, thus stabilizing the output voltage. The zener effect of the diode helps to ensure that the output voltage remains stable even when the reverse bias is increased.

Conclusion

The 1N4746AE3/TR13 is a single Zener diode designed for use at lower current levels than 1N4742AE3/TR13 and other similar devices. It offers a reverse breakdown voltage of around 6.2V, a maximum power dissipation of 500 mW, and a maximum reverse current of 50uA. It is suitable for a variety of applications, including low voltage power supplies, voltage regulators, voltage reference circuits, current limiting circuits, lighting control and in mixed signal applications. It works by allowing a small leakage current through the diode when the reverse bias is applied. As the current increases, it causes the dynamic impedance of the diode to decrease, thus stabilizing the output voltage.

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