BZX84-B8V2,215

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	8.2V
Tolerance:	±2%
Power - Max:	250mW
Impedance (Max) (Zzt):	15 Ohms
Current - Reverse Leakage @ Vr:	700nA @ 5V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	TO-236AB (SOT23)
Base Part Number:	BZX84B8V2

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Introduction to BZX84-B8V2,215

The BZX84-B8V2,215 is a single Zener diode, generally used to provide a stable voltage and offer protection against reverse voltage in a wide variety of electronic applications. It is a three terminal, in-line package for surface mounting, with a junction draining reverse voltage ranging from 6.8 volts to 8.2 volts at an ambient temperature of 25 degrees centigrade. Its features include enhanced power and thermal stability, very small size and low capacitance, and a 0.2 Amp maximum forward rating, enabling it to be used in both small signal isolation and synchronized rectifiers.

Uses and Application Fields

The BZX84-B8V2,215 has a wide range of uses, with applications spanning both industrial and consumer electronics. Industrial applications of the BZX84-B8V2,215 include the protection of circuits and power supplies from voltage spikes or over-voltage conditions. It is compatible with high-speed control circuits and has a thermal resistance of 8℃/W, making it suitable for high switching frequencies and power management.BZX84-B8V2,215 is also frequently used in consumer electronic applications, where it’s low thermal resistance makes it ideal for high-speed signal isolation, like in audio amplifiers, vehicles and cell phones. It is also commonly used to provide secondary voltage regulation in computer equipment and digital audio products.

Working Principle

The BZX84-B8V2,215 works on the principle of a Zener diode. It is a special type of diode that is designed to conduct in the reverse direction when the breakdown voltage is reached. When a reverse bias is applied across the diode, a point of breakdown occurs, causing it to conduct in the reverse direction and providing a stable voltage. The Zener voltage is determined by the amount of voltage across the depletion region, which is dependent on the doping concentration in the semiconductor. When the Zener voltage is reached, the current through the diode is limited, preventing the voltage from exceeding the Zener voltage.

Conclusion

The BZX84-B8V2,215 is a single Zener diode that is suitable for a wide range of industrial and consumer electronic applications. It is capable of withstanding high switching frequencies, offers very low capacitance, and works on the principle of a Zener diode, where forward current is limited when the breakdown voltage is reached. All of these features make the BZX84-B8V2,215 an ideal component for use in signal isolation, synchronization rectifiers and various other applications.

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