BZT52C3V9T-7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.9V
Tolerance:	±5%
Power - Max:	300mW
Impedance (Max) (Zzt):	90 Ohms
Current - Reverse Leakage @ Vr:	3µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-79, SOD-523
Supplier Device Package:	SOD-523
Base Part Number:	BZT52C3V9

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Diodes - Zener - Single

BZT52C3V9T-7 Application Field and Working Principle

The BZT52C3V9T-7 is a Single Zener Diode that is mostly used for distributions, such as TV’s, Switch Mode Power Supplies, Security Systems, and Computers. The Zener diode mainly works as circuit’s voltage regulator, as well as a surge protector in some cases. The BZT52C3V9T-7 Diode is a 3.3 Volt Zener and it is suitable for use in circuits operating at high temperatures, such as those found in small electrical appliances. The voltage stays at the predetermined stable level, even if the supply voltage fluctuates. It is thus suitable for high power applications.The BZT52C3V9T-7 is designed to sustain a voltagewithhere is a current flowing through this diode, whereas it diverts the current to the ground when the voltage across it is higher than the rated Zener Voltage. This Zener Diode is coveredwithblue epoxy coating thermally conductive out of flame retardant materials.By understanding how the voltage is regulated, then you can understand the working principle of this Zener diode. This diode has two powerful features called breakdown and temperature stabilities. The breakdown stability is what regulates the current and the temperature stability is what regulates the voltage.Breakdown means the voltages at which the Diode starts conducting electricity. When the supply voltage across this diode is equal to the voltage of the diode, then it starts to allow the current to flow. This feature of the diode is what ensures stable voltage as the supply voltage fluctuates. Temperature stability is an important factor when it comes to regulating voltages. This means that the voltage maintained will be the same, even if the temperature of the Diode rises or falls. This feature helps to ensure that the BZT52C3V9T-7 diode will perform more effectively in all operating conditions.The way a Zener Diode works, is by passing a current from a higher voltage to a lower voltage. This is known as a reverse bias voltage. This prevents excess current from traveling across the diode which would otherwise cause damage. The voltage level maintained is known as the Zener Voltage, and it is determined by the breakdown voltage of the diode.It is important to know that the maximum power dissipation for the BZT52C3V9T-7 is 100mW, meaning that it can only dissipate up to this amount of power. Any more than this, and it is highly likely that it will cause damage to the BZT52C3V9T-7 diode, as well as any other circuits connected to it.The BZT52C3V9T-7 Diode is capable of withstanding a wide range of operating conditions and is designed in such a way that it provides efficient use of power supplies, protects circuits, and reduces costs. This is why this diode is used in a variety of applications such as TVs and switch mode power supplies. In conclusion, the BZT52C3V9T-7 is a single Zener diode with many features and benefits. It is designed to regulate voltages, protect circuits, and provide efficient use of power supplies. It is utilized in a variety of applications, including TVs, switch mode power supplies, and computers.

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