MMBZ5248BW-TP

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	18V
Tolerance:	±5%
Power - Max:	200mW
Impedance (Max) (Zzt):	21 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 14V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SOT-323
Base Part Number:	MMBZ5248B

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Introduction

The MMBZ5248BW-TP is a single zener diode which is commonly used in electronic circuits. It is constructed using an epitaxial planar process and has a power dissipation rating of 500 mW in a single package. The breakdown voltage of the MMBZ5248BW-TP is 5.2V and it has a voltage temperature coefficient of 0.3mV/℃. It is especially notable for its avalanche capability and low noise characteristics.

Application Field

The MMBZ5248BW-TP can be used in a variety of applications, such as power supplies, DC/DC converters, and battery chargers. It is frequently used to provide precision voltage regulation in AC-DC and DC-DC power converters. It is also commonly employed as a temperature-compensated reference in temperature-sensing circuits. The low reverse leakage current makes the device an ideal choice for alternative-energy applications.

Working Principle

The MMBZ5248BW-TP is based on a zener diode structure. A zener diode is essentially a diode that can conduct in both directions. Normally, diodes only conduct in the forward direction, meaning that current only flows from the anode to the cathode. When a voltage greater than the breakdown voltage of the diode is applied to the anode-cathode junction, the diode turns “on” and current is able to flow in either direction. The MMBZ5248BW-TP is designed to have a relatively high breakdown voltage of 5.2V and a low reverse current, meaning that it will only allow a certain amount of current to flow in the reverse direction. This makes the device ideal for voltage regulation applications. When the applied voltage is greater than 5.2V, the current will flow through the device, and when the applied voltage is less than 5.2V, the current is limited to the specified reverse current. In this way, the diode maintains a precise voltage across the device at all times.

Conclusion

In conclusion, the MMBZ5248BW-TP is a single zener diode that is used in power supplies, DC/DC converters, and battery chargers. It has a breakdown voltage of 5.2V and a voltage temperature coefficient of 0.3mV/℃. It is especially notable for its avalanche capability and low noise characteristics. It is designed to have a relatively high breakdown voltage and low reverse leakage current, making it ideal for voltage regulation applications.

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