Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	8.2V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	8 Ohms
Current - Reverse Leakage @ Vr:	3µA @ 6.5V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123F
Supplier Device Package:	SOD-123FL

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ACZRM5237B-HF Diodes - Zener - Single Application Field and Working Principle

Diodes - Zener - Single is a type of diode which is specifically designed to work in the breakdown region of its operating circuit. This type of diode is designed to regulate the voltage level of the circuit, allowing it to withstand a large amount of surge current when needed. The ACZRM5237B-HF is a single-die, 5.5V, 200 mA Zener diode. The device features high power dissipation and low reverse leakage current. This makes it suitable for a wide range of applications, such as waveform and voltage regulation, over-voltage protection, and level shifting.

Overview of Zener Diodes

A Zener diode is a component used in voltage regulation and protection circuits. It is made of a P-N junction that has been doped with impurities to form a heavily doped P-type material on the N-type side of the junction. This creates an area in the junction that is not as resistant to an external electric field. When the electric field across the junction reaches a certain threshold, the diode will start to break down and allow current to pass through it. The voltage across the diode is then regulated and will remain constant regardless of changes in current or resistance of the load. This makes the Zener diode ideal for applications that require stable voltage levels.

Working Principle of the ACZRM5237B-HF Zener Diode

The ACZRM5237B-HF Zener diode works on the principle of avalanche breakdown. When a voltage greater than the breakdown voltage (5.5V in this case) is applied to a Zener diode, electrons are accelerated by the electric field until they gain enough energy to cause an avalanche of additional electrons. This release of electrons creates an electric field that is greater than the one that caused the effect in the first place, creating a self-sustaining current flow through the diode. This current flow is the basis of the Zener diode’s voltage regulation.

ACZRM5237B-HF Application

The ACZRM5237B-HF Zener diode is ideal for applications that require a stable voltage output and protection from overvoltage. The device can be used as a voltage regulator for controlling the voltage level of a power supply or for providing protection against overvoltage in circuits. The diode can also be used for level shifting from higher voltage levels to lower voltage levels.The ACZRM5237B-HF is also suitable for waveform and voltage regulation, as it can be used to reduce the amplitude or frequency of an AC waveform. The device can also be used to help limit the peak voltage in a waveform, preventing it from reaching damaging levels.

Advantages and Disadvantages of the ACZRM5237B-HF Zener Diode

The ACZRM5237B-HF Zener diode has many advantages. The device features a low reverse current, which means it consumes less power when the reverse voltage is applied. The device also has a high power dissipation rating, which makes it suitable for high-power applications. Additionally, the device has a low leakage current, meaning that it consumes less power when the forward voltage is applied.The ACZRM5237B-HF Zener diode also has some disadvantages. The device has a high forward voltage drop, which can reduce efficiency in power-sensitive applications. Additionally, the device is not suited for applications that require very precise and stable voltage regulation, as it has limited temperature stability.

Conclusion

The ACZRM5237B-HF is a single-die, 5.5V, 200 mA Zener diode. The device features high power dissipation and low reverse leakage current, making it suitable for a wide range of applications, such as waveform and voltage regulation, overvoltage protection, and level shifting. The device works on the principle of avalanche breakdown, and has advantages such as low reverse current and high power dissipation, as well as drawbacks such as high forward voltage drop and limited temperature stability.

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