MMBZ5253B Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	25V
Tolerance:	±5%
Power - Max:	350mW
Impedance (Max) (Zzt):	35 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 19V
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:	MMBZ5253B

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MMBZ5253B Application Field and Working Principle: The MMBZ5253B is a single Zener diode commonly used in a variety of applications. It is a cost-effective and reliable device designed to protect against reverse-voltage breakdown and short-circuit protection. With its precise breakdown voltage, this diode is suitable for many practical applications, including reverse voltage protection, voltage regulation, signal clamping, and peak power limit protection.The MMBZ5253B Zener diode is designed around a silver telluride-based diode containing highly reproducible breakdown voltages. It has a high temperature coefficient, low noise, and a wide operating temperature range for low current applications. The package design is optimized for better thermal dissipation, enabling the diode to be used in harsh environments. When the MMBZ5253B diode is used in a rectifying circuit, the anode is the negative end of the component. The device is typically operated in the forward zener breakdown region, which occurs within the reverse-bias region when the voltage exceeds the device\'s breakdown voltage. In the breakdown region, the diode maintains a constant voltage drop, despite any increase in forward current. The MMBZ5253B Zener diode has a wide variety of applications in both consumer and industrial electronics. The diode is most commonly used to provide over-voltage protection, allowing it to protect sensitive circuits from damage caused by over-voltage spikes and power surges. It can also be used in printed circuit board (PCB) layouts where the device limits the voltage being supplied to a specific location. Its low current operation makes it an ideal choice for applications such as remote communication systems, telecommunications, and battery protection. In addition, this type of diode can also be used to provide signal clamping, voltage regulation, and peak power limit protection for signal signal-level and low-current circuits. Its clamping ability prevents excessive signal voltage from damaging sensitive components. Similarly, it is ideal for voltage regulation; it can be used to set a voltage limit in a circuit, protecting sensitive components from the risk of overvoltage. Lastly, the device\'s peak power limit protection capabilities will protect circuits from excessive current flow. Overall, the MMBZ5253B Zener diode is a highly versatile, cost-effective diode with a wide variety of applications. From over-voltage protection and signal clamping to voltage regulation and peak power limit protection, this device offers cost effective, reliable protection for any electronics project.

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