PZU3.3BA,115

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.3V
Tolerance:	±5%
Power - Max:	320mW
Impedance (Max) (Zzt):	95 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 100mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323
Base Part Number:	PZU3V3

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Introduction to PZU3.3BA,115

The PZU3.3BA,115 is a single Zener diode which is a two-terminal electronic device that is used in various applications. This diode is a larger, robust diode that can handle more current and higher voltages than the more common single Zener diode. It features a 3.3 volt Zener breakdown and a maximum breakdown voltage of 115 volts.

Application and Usage of PZU3.3BA,115

The primary application of this diode is for protection of circuits from short circuits and overvoltages. This is done by connecting the diode in series with the circuit and having it operate as a voltage-limiting device. This will protect the circuit from excessive current and voltage, preventing the circuit from becoming damaged. As such, the PZU3.3BA,115 diode is commonly used in automotive, power supplies, and medical electronics. The diode can also be used as a reference source. When the reverse voltage is close to the Zener breakdown voltage, the diode will act as a very stable voltage reference source, as it will maintain a constant voltage regardless of the load or source conditions. This is commonly used in electronics circuits to maintain a precise voltage level.

Working Principle of PZU3.3BA,115

The working principle of the PZU3.3BA,115 diode is based on the Zener effect. The Zener effect occurs when a sufficiently high voltage is applied across a diode, causing electrical current to flow in both directions across the diode. This is known as the “breakdown” of the diode and results in a constant voltage across the diode. In the case of the PZU3.3BA,115, the Zener breakdown voltage is 3.3 volts, meaning that when a voltage of 3.3 volts or higher is applied across the diode, the current will begin to flow in both directions, and the voltage across the diode will remain constant at 3.3 volts. When the voltage across the diode is less than 3.3 volts, no current flows through the diode, and the voltage across it will remain at the source voltage. This effectively works as a voltage limiter, limiting the voltage across the diode to 3.3V.

Conclusion

In conclusion, the PZU3.3BA,115 diode is a robust, two-terminal electronic device which can be used for protection against short circuits and overvoltages, as well as a reference source for maintaining a precise voltage level. It achieves this by utilizing the Zener effect, which causes the diode to break down at a constant voltage of 3.3 volts and remain at this voltage regardless of source or load conditions. This diode is used across multiple applications in automotive, medical electronics and power supplies, and is an essential part of many electronic circuits.

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