SZBZX84C3V9LT1G

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.9V
Tolerance:	±5%
Power - Max:	225mW
Impedance (Max) (Zzt):	90 Ohms
Current - Reverse Leakage @ Vr:	3µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-65°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3 (TO-236)
Base Part Number:	BZX84C3V9

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A Zener diode is an electronic component with a unique behaviour of conduction when connected in reverse biased condition. It was the first form of the diode to be discovered and is often used in low power devices, such as digital or analog switch circuits or other circuits that require a stable voltage or current level. Zener diode is found in any circuit design for applications such as voltage regulation, noise reduction, protection, signal control and signal shaping.The SZBZX84C3V9LT1G is a single Zener diode manufactured by STMicroelectronics. This discrete component is known for its stable performance, exceptionally low power and low noise characteristics, making it well-suited for a wide range of applications.The SZBZX84C3V9LT1G provides the following features and benefits in electronic designs:• Low noise performance: With its low reverse leakage current and low noise, the SZBZX84C3V9LT1G can provide clean outputs for digital or analog signal control or protection circuits.• Stable output voltage: With its low dynamic impedance and low temperature coefficient, it ensures a stable output voltage over its range of operating temperatures and switching frequency.• Low power consumption: Its low current requirements make it ideal for battery-operated devices, LED displays and other low power applications. • High-speed switching: The SZBZX84C3V9LT1G has a fast switching speed and a low forward bias, making it suitable for high-speed switching applications.To understand the working principle of SZBZX84C3V9LT1G Zener diode, it is important to first understand the basics of a diode. A diode is an electronic device that conducts electricity in one direction while blocking current in the opposite direction. By applying a reverse voltage to a "forward biased" diode, the applied voltage will be blocked by the depletion layer. This is the working principle of the traditional diode.However, the SZBZX84C3V9LT1G Zener diode has a unique working principle. When a reverse voltage is applied to it, a high electric field is created in a narrow layer which breaks down the depletion layer, allowing a low current to flow through the diode. This phenomenon is also called Zener breakdown, and the breakdown voltage of the SZBZX84C3V9LT1G is fixed at 9V. The SZBZX84C3V9LT1G is used in many different applications to provide a stable voltage for digital or analog signal control or protection. For example, it can be used in voltage regulation circuits to regulate the voltage differences between two points, such as the battery and the circuit board. It can also be used to protect sensitive circuits from damage due to overvoltage or reverse voltage. In addition, the SZBZX84C3V9LT1G can be used as a noise reduction device to reduce noise and interference in sensitive electronic circuits.The SZBZX84C3V9LT1G Zener diode is an effective, low-cost and low-power solution for many different electronic applications. With its low reverse leakage current and low temperature coefficient, it provides a stable output voltage suitable for a wide range of applications. This makes it particularly attractive for use in low-power battery-powered devices and LED displays. With its low noise characteristics and fast switching speed, the SZBZX84C3V9LT1G is ideal for both digital and analog applications.

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