SZMMSZ5248BT1G

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	18V
Tolerance:	±5%
Power - Max:	500mW
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:	SOD-123
Supplier Device Package:	SOD-123
Base Part Number:	MMSZ5248B

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Introduction

SZMMSZ5248BT1G is a type of single Zener diodes typically used in a wide range of applications. Zener diodes are basic semiconductors components used for the regulation of electrical current in a circuit. It is a specialized type of diode that generally behaves like a normal rectifier diode until the voltage across it reaches its “knee” voltage. It is designed to conduct whenever the voltage across it is greater than its rated “knee” voltage. This article will discuss the application field and working principle of SZMMSZ5248BT1G.

Description

SZMMSZ5248BT1G is constructed with a single Zener diode, with a maximum Zener voltage of 5.2V and a maximum Zener current of 0.5mA. It is typically used in a wide range of applications and is also suitable for medium power applications. It is designed for use in circuit boards where the need for efficient dissipation of heat is limited. It is also widely used for voltage supervision, over-voltage protection, and voltage reference.

Applications

SZMMSZ5248BT1G is typically used in a wide range of applications, from consumer electronics to industrial applications. The main application fields are: voltage regulation, voltage supervision, over-voltage protection, and voltage reference. In consumer electronics, it is commonly used in DC-DC converters, inverters, chargers and switching mode power supplies, AC-DC adapters, power supplies and network interface cards.In industrial applications, it is widely used in automotive electronics, DC motor controls, and sensors.Other applications include telecommunications, medical equipment and instrumentation.

Working Principle

The working principle of the SZMMSZ5248BT1G is based on the fact that when the forward voltage across the diode reaches its “knee” voltage, the diode begins to conduct a fixed, constant current. The maximum current is generally limited by the maximum Zener current of the diode. When a voltage higher than its “knee” voltage is applied to the diode, the Zener current increases and the Zener voltage decreases. The Zener voltage then stabilizes at a value below its “knee” voltage and the current reduces. This operation is referred to as the “reverse current limiting” operation. When the reverse current reaches a maximum value (which can be up to 100 times the rated Zener current), the diode begins to conduct and the voltage across it stabilizes at its rated Zener voltage. This operation is referred to as the “reverse breakdown” operation. The Zener diodes also have a very useful application in voltage regulation, as it is able to keep the voltage across the downstream component constant, regardless of the changes in the upstream component. The SZMMSZ5248BT1G is able to effectively regulate the voltage across the component to a value within its rated Zener voltage, ensuring stability and reliability in the circuit.

Conclusion

In conclusion, SZMMSZ5248BT1G is a single Zener diode component typically used in a wide range of applications. It is generally used in voltage regulation, voltage supervision, over-voltage protection, and voltage reference. The working principle of the component is based on the fact that when the forward voltage across the diode reaches its “knee” voltage, the diode begins to conduct a fixed, constant current. The Zener diodes also provides a useful application in voltage regulation, as it is able to keep the voltage across the downstream component constant, regardless of the changes in the upstream component.

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