CMOZ7V5 BK

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	7.5V
Tolerance:	±5%
Power - Max:	300mW
Impedance (Max) (Zzt):	15 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 5V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-79, SOD-523
Supplier Device Package:	SOD-523

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Introduction

The CMOZ7V5 BK is a Zener single diode that is used as a voltage reference device in many different applications. It is designed to provide a constant voltage reference regardless of current or power fluctuations. This makes the device ideal for use in power supplies, voltage regulation, and signal conditioning circuits.

Device Structure and Design Considerations

The CMOZ7V5 diode consists of a N-type semiconductor layer sandwiched between two P-type layers. This structure is referred to as a P-N-P-N structure and is commonly used in many different diode designs. The diode has a variety of electrical parameters, such as a breakdown voltage, depletion width, and leakage current, that affect its performance. Each parameter must be carefully considered when designing a circuit with the CMOZ7V5.

Application Field

The CMOZ7V5 is most commonly used as a voltage reference device in power supplies, voltage regulators, and signal conditioning circuits. It is especially useful in circuits where a constant voltage reference is needed regardless of current or power fluctuations. The diode is also used in radio frequency (RF) circuits, where its low leakage dynamic resistance helps minimize losses.

Working Principle

The CMOZ7V5 operates on a simple principle. When a forward bias is applied across the diode, the depletion region across the N-P junction increases. This increase in depletion region width reduces the flow of current between the N-type and P-type layers. As the voltage across the diode increases, the depletion region width decreases, allowing more current to flow. This effect allows the diode to maintain a constant voltage reference regardless of fluctuations in current or power.

Conclusion

The CMOZ7V5 BK is a Zener single diode that provides a constant voltage reference regardless of current or power fluctuations. It is commonly used as a voltage reference device in power supplies, voltage regulators, and signal conditioning circuits. The diode operates on the principle of increasing depletion region width as a forward bias is applied, which in turn reduces the flow of current between the N-type and P-type layers. The CMOZ7V5 provides a reliable and stable voltage reference, making it an ideal choice for many applications.

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