MMSZ5255B-TP

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	28V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	44 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 21V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123
Supplier Device Package:	SOD-123
Base Part Number:	MMSZ5255B

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

Introduction

MMSZ5255B-TP is a single Zener diode which is a type of diode that allows current to flow in either direction when forward biased or reverse biased. It is a voltage regulator that is designed to maintain the output voltage at a given reference while the input voltage fluctuates.

Application Field

MMSZ5255B-TP is a high voltage, medium to fast recovery, low leakage current, and low impedance. It has a wide range of applications in the fields of communication, computer, and system control. In communication, the Zener diode is used as a surge protector to protect circuits from transients related to lightning or electromagnetic pulses. It is also used to regulate signal and power levels. In computer systems, the Zener diode is used to protect chips from overvoltage conditions and to provide regulated and stable DC control for data acquisition systems.In system control, the Zener diode protects AC lines against asynchronous mains, and also provides logic suppression to help reduce noise in logic signals.

Working Principle

MMSZ5255B-TP works by using a reverse-biased Zener diode, along with a series resistor, to constrain the output voltage until the voltage across the diode exceeds the device\'s rating. When this happens, the diode allows a current to pass through it, thus preventing the voltage from exceeding the threshold. When a positive voltage bias is placed across the diode, it becomes forward biased and current begins to flow through it. The current flow is limited by the series resistor, and the Zener diode\'s intrinsic resistance keeps the voltage across it constant, so the output voltage remains constant and regulated.When a negative voltage is applied to the device, it becomes reverse-biased and current can no longer flow through it. This prevents the output voltage from becoming too high and damaging the load.

Conclusion

MMSZ5255B-TP is a single Zener diode that can be used in various applications such as surge protection, logic suppression, and providing stable DC control. It works by using the Zener diode\'s inherent reverse-biased characteristics to keep its voltage across the diode constant, and by regulating the current flow through the series resistor. This ensures that the output voltage is regulated and kept within the device\'s specified range.

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

Part Number	Manufacturer	Price	Quantity	Description