ZMY9V1-GS18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	9.1V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	4 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 7V
Operating Temperature:	175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AB, MELF (Glass)
Supplier Device Package:	DO-213AB

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Introduction to ZMY9V1-GS18

ZMY9V1-GS18 is a single zener diode, whose maximum rating is 9 volts at 1.0 watts. It belongs to a large family of zener diodes. This diode has a unique breakdown voltage, which is guaranteed to be as low 9.0 volts. It is specially developed for high power handling and high temperature requirements.

Application Fields

ZMY9V1-GS18 zener diodes are mainly used in automotive and industrial applications such as low voltage protection, load switching, power line protection, linear voltage control and voltage regulation. They are also used in mobile phone base stations, TV receivers, high-speed motor power control, LED drivers, solar inverters and other applications. Moreover, it is a medium level device compatible with commercial applications such as low voltage dropout regulators and voltage backup supplies.

Working Principle

Zener diodes are special types of diodes which are designed to be reverse biased and operate in a Reverse Breakdown region. Zener diodes are powered when connected in the Reverse Biasing or Breakdown region. In this region, when the applied voltage reaches the breakdown voltage VZ, the diode starts to conduct and the voltage across the diode increases exponentially. This phenomena is antilogarithmic and is known as a zener breakdown. The faster the reverse breakdown region drops in voltage, the higher the power handling capability of the zener diode. ZMY9V1-GS18 zener diodes provide extremely fast zener breakdown, which facilitates a high power rating and fast response. Once the transistor reaches the breakdown voltage VZ, the current begins to flow in reverse direction and continues to increase exponentially until it reaches the rated current, IMAX. The diode remains in reverse biased state until its reverse current reaches the rated value, IMAX.

Conclusion

The ZMY9V1-GS18 Zener diode is a special type of diode used for medium level applications in the automotive and industrial fields. It has an especially low breakdown voltage, which enables it to power application in these fields with high power requirements and maximum efficiency. The diode works by rapidly entering the breakdown region and then maintaining a steady current flow until the rated current level is reached. This feature makes ZMY9V1-GS18 ideal for applications where high performance and fast response times are essential.

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