ACZRM5226B-HF

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.3V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	28 Ohms
Current - Reverse Leakage @ Vr:	25µA @ 1V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123F
Supplier Device Package:	SOD-123FL

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Diodes and rectifiers are two important components in the power supply system, they are widely used in industrial and commercial applications. Zener diodes are a type of diode that has the ability to regulate a specific reverse voltage across a junction in order to provide a consistent and stable output voltage. The ACZRM5226B-HF is one such device, designed to have an exemplary performance in the Vishay’s thermally enhanced ACZRM product line. This article will explore the application field and working principle of the ACZRM5226B-HF.The ACZRM5226B-HF is a metal electrode Zener diode with a low power rating and a wide reverse break down voltage range of -5 V to +5.5 V. It can also provide greater capacitance and improved dynamic impedance as well as an improved temperature coefficient for more precise regulation. This device is ideally suited for use as a low-dropout regulator, low-noise voltage precision reference, voltage clamper, overvoltage protection and snubber, temperature compensation and many other specialty applications.The ACZRM5226B-HF’s working principle is relatively simple; when a certain forward bias voltage is applied to the device, a current begins to flow through the junction, causing a breakdown in the depletion zone and allowing electrons to flow freely in both directions, creating a current-voltage curve that appears similar to a diode’s forward-biasing characteristics. However, unlike a normal diode, the Zener diode is designed to maintain a constant voltage across the junction when in reverse bias, effectively forming a regulator.Essentially, the ACZRM5226B-HF works as a voltage reference. When the output voltage is less than the predetermined voltage for which the device was designed, the voltage across the junction of the Zener diode remains constant, ensuring a consistent voltage output. This provides greater precision for applications such as battery chargers, power supplies and special purpose test and measurement equipment. The Zener diode also offers a greater reverse flow current ratio and thermal stability over diode-based alternatives. The ACZRM5226B-HF is a versatile device, suitable for a variety of applications. It’s low-dropout voltage, high precision, and ease of operation make it well-suited for use in portable electronics such as laptop computers, cameras, and smartphones. The device is also ideal for use in instrumentation, LED drivers, Automotive Electronics, consumer Electronics, and industrial equipment.In conclusion, the ACZRM5226B-HF is a Zener diode designed to offer low power, wide reverse breakdown voltage, improved capacitance, dynamic impedance, and temperature coefficient for exact voltage regulation. It is an ideal solution for a variety of applications including battery charging, power supplies, portable electronics, and test equipment. Thanks to its low drop-out voltage, high precision, and ease of operation, the ACZRM5226B-HF has become popular in consumer and industrial applications.

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