MMBZ5239B Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	9.1V
Tolerance:	±5%
Power - Max:	350mW
Impedance (Max) (Zzt):	10 Ohms
Current - Reverse Leakage @ Vr:	3µA @ 7V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3
Base Part Number:	MMBZ5239B

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

MMBZ5239B Application Field and Working PrincipleDiodes are specialized switches used in both DC (Direct Current) and AC (Alternating Current) circuits. Zener diodes are one form of diode which differ from other diodes in that they can handle higher reverse-bias voltages. The MMBZ5239B is a high-power, high-voltage Zener diode that is used in many different kinds of applications.ApplicationsThe MMBZ5239B has a wide range of applications including:

• AC-DC Power Conversion: The MMBZ5239B can be used to convert alternating current (AC) to direct current (DC). These diodes act as a switch to control when power is allowed to pass through to electrical systems.
• High-Voltage Regulation: Voltage regulation is important for electronic circuits, especially with high-power applications. The MMBZ5239B is designed to handle voltages up to 200 Volts, so it is an ideal choice for regulating power in high-voltage circuits.
• Dynamic Electrical Isolation: The MMBZ5239B can be used to provide dynamic electrical isolation between different circuits. This is important in applications such as preventative electric shock ratings, and minimizing interference between components.
• Voltage Clamping: The MMBZ5239B can also be used to limit the voltage passing through a circuit. This is useful for protecting electronic components from electric shock.
• Reverse Polarity Protection: Sometimes, an AC/DC power supply may be connected backwards, resulting in a sudden surge of voltage. The MMBZ5239B can be used to protect the circuit from this surge, as well as from other forms of reverse polarity.

Working PrincipleThe working principle of the MMBZ5239B is relatively simple. It is designed to allow electrical current to only travel in one direction, which is referred to as a “reverse-biased” diode. If the voltage passing through the diode is higher than the rating given on the MMBZ5239B (in this case, 200 Volts), the diode will allow the current to pass freely. This can be used to regulate and control the voltage passing through the circuit.The MMBZ5239B is also designed to withstand large amounts of power. This makes it ideal for high-power applications, such as AC-DC power conversion. The diode can also provide a degree of dynamic electrical isolation between different components in a circuit, preventing interference and electric shock.In conclusion, the MMBZ5239B is a versatile Zener diode that is commonly used in many types of electronic applications. It is designed to regulate high-power and high-voltage currents, allowing for efficient and safe operation of electrical systems.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description