BZX84W-B33F

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	33V
Tolerance:	±2%
Power - Max:	40W
Impedance (Max) (Zzt):	80 Ohms
Current - Reverse Leakage @ Vr:	50nA @ 23.1V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SC-70

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Introduction to the BZX84W-B33F

The BZX84W-B33F is a popular single Zener diode that is widely used in many different types of applications. It is a Silicon planar power Zener diode with a breakdown voltage of 33V and a maximum power dissipation of 500mW. It is commonly used in many different switching and power supply circuits, as well as in voltage regulation and voltage reference circuits.

Applications of the BZX84W-B33F

The BZX84W-B33F is a widely used device with a variety of applications. Some of the most common applications for this Zener diode include:

• Circuit protection: The BZX84W-B33F is often used as a circuit protector in high-voltage supply lines. It serves to protect sensitive components from experiencing an unexpected voltage surge.
• Power supply regulation: The BZX84W-B33F can be used in power supply circuits to maintain a constant output voltage. This is useful when dealing with fluctuating input voltages.
• Reference circuits: The BZX84W-B33F can also be used in reference circuits where a consistent reference voltage must remain unchanged. It can be used in many types of circuits, such as voltage monitoring or variable voltage comparators.
• Switching circuits: The BZX84W-B33F can also be used in switching circuits. It is commonly used in on-off latching circuits, SCR trigger circuits, and MOSFET switching circuits.

Working Principle of the BZX84W-B33F

The BZX84W-B33F is a planar silicon power Zener diode with a breakdown voltage of 33V and a maximum power dissipation of 500mW. When current is passed through the device, it starts to conduct at a reverse voltage much lower than the breakdown voltage. This is known as the Zener knee. It is the point at which the Zener diode starts to conduct in the reverse direction and act as a voltage regulator.Once the device is turned on, it will remain in a conducting state until the applied voltage is greater than the breakdown voltage. At this point, the device will start to limit the current and maintain the voltage at the breakdown voltage level. This action results in an almost constant output voltage.In addition to being used in voltage regulation and voltage reference circuits, the BZX84W-B33F is also used in many different switching and power supply circuits. In these types of circuits, the Zener diode serves to protect sensitive components from unexpected voltage surges.

Conclusion

The BZX84W-B33F is a single Zener diode that is used in many different types of applications, including circuit protection, power supply regulation, voltage reference, and switching circuits. It is a planar silicon power Zener diode with a breakdown voltage of 33V and a maximum power dissipation of 500mW. When current is passed through the device, it starts to conduct at a reverse voltage much lower than the breakdown voltage. This is known as the Zener knee. The device will then remain in a conducting state until the applied voltage is greater than the breakdown voltage, which will then cause it to start limiting the current and maintain the output voltage at the breakdown voltage level. Overall, the BZX84W-B33F is a widely used device that performs a variety of functions, including circuit protection, power supply regulation, reference circuits, and switching circuits. It is an essential component for reliable and efficient circuit operation.

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