BZT52B7V5-E3-08

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	7.5V
Tolerance:	±2%
Power - Max:	410mW
Impedance (Max) (Zzt):	4 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 5V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123
Supplier Device Package:	SOD-123

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Introduction to BZT52B7V5-E3-08
The BZT52B7V5-E3-08 is a type of single Zener diode packaged in SOD-123 form. It is designed to protect sensitive components from voltage and current fluctuations. It acts as a voltage regulator to prevent spikes and drops in voltage, and helps maintain a constant power supply for a given circuit. The device also prevents over-current and short-circuiting when exposed to high-voltage transients.Application Field
The device is ideally suited for applications where the input voltage is higher than the output, up to 15V, such as in applications related to battery charging, voltage reference and regulation, automotive electronics and audio frequency amplifiers. It can also be used in power supplies, converters, inverters and many other electrical systems. In battery charging applications, the BZT52B7V5-E3-08 protects the cells from overcharging which can cause damage and reduce the battery\'s long-term performance. The diode is also used to regulate the output voltage in DC-DC converters to ensure that it is within the required range.The diode also finds application in audio electronics such as frequency amplifiers as it ensures that the audio signal remains within the desired range. The device also protects the system components from overvoltage conditions, further enriching the audio quality. The device is also used in transceiver applications to ensure that the voltage remains within the specified operating range.Working Principle
The BZT52B7V5-E3-08 is a Zener diode, which means it uses a PN junction to function as a voltage regulator. When the input voltage is within a certain range (called the Zener Voltage), the device acts as a reverse voltage diode to allow electric current to flow from the negative side to the positive side of the junction. However, when the input voltage increases above the Zener Voltage, the electric current can flow in both directions across the PN junction and the voltage is regulated.This process is known as Zener breakdown and ensures that the output voltage remains equal to or below the Zener Voltage, regardless of the input voltage. As a result, the device can protect connected electrical components from overvoltage damage.Conclusion
The BZT52B7V5-E3-08 is an SOD-123 packaged single Zener diode that is ideally suited for applications such as battery charging, voltage reference, regulation and audio frequency amplifiers. The device works on the principle of Zener breakdown, in which the PN junction regulates the output voltage to remain equal to or below the Zener Voltage. This helps to protect sensitive components from voltage and current fluctuations, ensuring high performance in given applications.

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