2M43Z A0G

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	43V
Tolerance:	±5%
Power - Max:	2W
Impedance (Max) (Zzt):	35 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 32.7V
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Through Hole
Package / Case:	DO-204AC, DO-15, Axial
Supplier Device Package:	DO-204AC (DO-15)

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Introduction

2M43Z A0G is a single Zener diode designed for applications in consumer electronics and power management systems. The device provides a low-cost solution for voltage regulation and rectification applications. It provides protection against reverse voltage and overloads in both DC and AC circuits. 2M43Z A0G is also used for high frequency switching power supplies and for digital switching applications.

Design

2M43Z A0G is constructed on a standard monolithic structure with a common cathode arrangement. The device’s core structure consists of two symmetrical NPN transistors, two PNP transistors, and four Zener diodes. The device’s substrate is composed of silicon dioxide (SiO2) and a passivation layer of nitride (Si3N4). The device is designed to allow easy incorporation of external components such as resistors, capacitors, and inductors.

Application Fields

2M43Z A0G is used in consumer electronics and power management systems, high frequency switching power supplies, and digital switching applications. In consumer electronic systems, 2M43Z A0G can be used as a voltage-regulating device, providing a stable output voltage despite a varying input voltage. It can also be used in AC circuitry for rectification. In power management applications, the device can provide protection from over-voltage, under-voltage, noise, current surges, and other hazards.2M43Z A0G can also be used in high frequency switching power supplies for voltage regulation and digital switching applications for high speed, low noise digital circuitry. In these applications, the device functions in place of standard rectifiers, thus providing a cost effective solution for high speed, low noise power supplies.

Working Principle

2M43Z A0G is essentially a voltage regulating device. It functions by allowing a minimum current to pass through the device when a steady voltage is applied. When the voltage changes, the device provides a path for additional current, thus stabilizing the voltage across the device.The device works on a principle known as Zener breakdown. Zener breakdown is a process that occurs in heavily doped PN junction barrier diodes. When a voltage exceeds a threshold level (known as the Zener voltage), current begins to flow in reverse through the diode. This process is known as Zener breakdown.2M43Z A0G harnesses this breakdown process to provide a stable output voltage, no matter how much variation is present in the input voltage.

Conclusion

2M43Z A0G is a single Zener diode that is used for voltage regulation, rectification, and protection from over-voltage and under-voltage in both DC and AC power supplies. It is a low cost solution for high frequency switching power supplies and digital switching applications. The device works using the principle of Zener breakdown, allowing it to maintain a stable output voltage, despite variations in the input voltage.

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