ZPY3V9-TAP

Series:	Automotive, AEC-Q101
Packaging:	Tape & Box (TB)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.9V
Tolerance:	±5%
Power - Max:	1.3W
Impedance (Max) (Zzt):	4 Ohms
Operating Temperature:	175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-41

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Diodes - Zener - Single

ZPY3V9-TAP is a three terminal, axial leaded device packaged in a SOD-123 type package. It is a Zener diode, designed for general purpose use in both commercial and industrial applications. The ZPY3V9-TAP is designed for simplified assembly and low profile, as well as providing a short lead layout to reduce inductance. It can be used in a variety of applications such as protection and switching applications.

Principle of Operation

The ZPY3V9-TAP works according to the principle of Zener breakdown. The operation of the device involves two regions, the anode region and the cathode region. When a voltage is applied to the anode region, it is transmitted to the cathode region, which causes a Zener breakdown. The Zener diode has two elements, the space charge region (SCR) and the avalanche breakdown region (ABR). In the SCR region, the space charge between the anode and the cathode region reduces with increasing electric field. In the ABR region, the field increases rapidly with voltage and causes a rapid breakdown of the diode.

Features and Advantages

The ZPY3V9-TAP device offers several features and advantages that make it an attractive device for general purpose applications. The device is designed for easy assembly and has a low profile package for simplified integration. It provides excellent power handling capabilities which makes it suitable for protection and switching applications. The device also features a wide operating temperature range to support various applications.

Applications

The ZPY3V9-TAP is designed for a variety of general purpose applications. It can be used in circuits requiring reverse voltage protection, overvoltage protection, and over temperature protection. The ZPY3V9-TAP is also used in circuits requiring high power handling such as switching and regulating applications. Additionally, the device can be used in voltage switching and dropout applications.

Conclusion

The ZPY3V9-TAP is a three terminal, axial leaded device packaged in a SOD-123 type package. It is a Zener diode designed for general purpose use in both commercial and industrial applications. The device works according to the principle of Zener breakdown and offers several features and advantages that make it an attractive device for general purpose applications. The ZPY3V9-TAP can be used in a variety of applications requiring reverse voltage protection, overvoltage protection, and over temperature protection, as well as in high power handling applications such as switching and regulating applications. It is an ideal device for applications such as those mentioned above.

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