BZX55A20-TAP

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	20V
Tolerance:	±1%
Power - Max:	500mW
Impedance (Max) (Zzt):	55 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 15V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 200mA
Operating Temperature:	175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35

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Introduction

Diodes - Zener - Single refer to a specialized diode that regulates or limits the voltage within a circuit. BZX55A20-TAP is a single zener diode designed for use in voltage regulation and sensing applications. This diode operates in the same manner as a standard diode, with the added benefit of improved performance and stability.

Features and Benefits

The BZX55A20-TAP is designed for the most demanding applications. It offers several features and benefits, including:- Very low leakage current: The BZX55A20-TAP has very low leakage current which helps maintain stable operation.- Low capacitance: The device has low capacitance, ensuring that it is suitable for low-noise designs.- High power rating: The diode can handle power up to 5 Watt, making it ideal for high-power applications.- High temperature performance: This device can withstand temperatures of up to 175°C.- Overshoot protection: The diode offers overshoot protection, ensuring that the circuit is protected in the event of an overvoltage spike.- Reverse current limit: The device also has a reverse current limit. This helps protect the circuit and keeps it from being damaged.- Fast switching speed: The diode has a fast switching speed, making it ideal for high-speed applications.

Application Fields

The BZX55A20-TAP is versatile and can be used in a wide range of applications. Some of the more common applications include:- Voltage regulation and sensing: This diode is perfect for voltage regulation and sensing applications. It can help ensure that a circuit runs at the desired voltage level.- Automotive: The device can be used in automotive applications, where it can help ensure safe and reliable operation.- Power supplies: The diode can be used in power supply and inverter circuits, where it can help maintain stable operation and reduce losses.- High voltage protection: This device is useful for protecting sensitive components and circuits from high voltage spikes.

Working Principle

The working principle of the BZX55A20-TAP is simple. The device is designed to provide a regulated and stable voltage to a circuit. It does this by allowing a certain amount of current to flow through while limiting the amount of current that passes through. The device has an internal breakdown voltage, and when the voltage across the device reaches this breakdown voltage, the diode conducts current. This allows the circuit to remain stable and ensures that the voltage remains constant.The diode also has a maximum operation voltage, and when this voltage is exceeded, the device limits the amount of current that can flow. This helps protect the circuit from overvoltage spikes, ensuring that the circuit stays safe and operates reliably.

Conclusion

BZX55A20-TAP is a single zener diode designed for use in voltage regulation and sensing applications. This device offers a number of features and benefits, including very low leakage current, low capacitance, high power rating, high temperature performance, overshoot protection, reverse current limit and fast switching speed. This makes it suitable for a wide range of applications, such as automotive, power supplies and high voltage protection. The device also has a simple working principle based on allowing a certain amount of current to flow through while limiting the amount of current that passes through.

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