MMBZ5242BW-7 Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Voltage - Zener (Nom) (Vz):	12V
Tolerance:	±5%
Power - Max:	200mW
Impedance (Max) (Zzt):	30 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 9.1V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SOT-323
Base Part Number:	MMBZ5242B

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Introduction

MMBZ5242BW-7 is a single zener diode manufactured by ON Semiconductor Corporation, which is used to regulate the voltage of a system. It is commonly used in switch-mode power supplies, voltage regulators, and DC-DC converters. The device is packaged in a SOT-23 package, and is capable of regulating voltages from 5.1V to 68V. This datasheet discusses the application field and working principle of the MMBZ5242BW-7.

Application Field

The MMBZ5242BW-7 can be used in a variety of applications, including voltage regulation, power conversion, signal conditioning and signal protection. The device is specially designed for applications where efficiency and performance are essential. In addition, it is also suitable for applications where reverse EMF protection is required. It can be used in switch-mode power supplies, voltage regulators, DC-DC converters, and other power conditioning designs. In power conversion designs, the MMBZ5242BW-7 can be used to regulate the voltage of the system. This can be done by controlling the current through the device by modulating the capacitive load of the system. The basic principle behind this is that the voltage across the device will remain constant, regardless of the magnitude of the load. The device can also be used in signal protection applications. It can protect sensitive electronics from high voltage transients, as well as providing ESD protection and transient voltage suppression. The device is also used in signal conditioning applications, such as filtering, attenuating and isolating AC signals.

Working Principle

The MMBZ5242BW-7 is a single zener diode, and its working principle is based on the Zener effect. The Zener effect is a phenomenon observed in certain semiconductor materials, where a reverse current will be generated if a certain voltage threshold is exceeded. The MMBZ5242BW-7 is able to regulate voltages from 5.1V to 68V depending on the application conditions. When the input voltage is below the threshold, the device will remain in a non-conductive state. However, when the input voltage exceeds the threshold, the device will turn on, allowing current flow in the reverse direction. The device is able to regulate the output voltage by controlling the current flowing through it. As the current through the device increases, the output voltage will decrease. This can be used to maintain a constant voltage across the device. The device also has a low forward voltage drop, which reduces power dissipation and helps improve the overall efficiency of the system.

Conclusion

In conclusion, the MMBZ5242BW-7 is a single zener diode manufactured by ON Semiconductor Corporation, which is used to regulate the voltage of a system. It is suitable for applications where efficiency and performance are essential, and it can also be used for signal protection, signal conditioning and reverse EMF protection. The device works on the Zener effect, and is capable of regulating voltages from 5.1V to 68V.

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