Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	12V
Tolerance:	±5%
Power - Max:	1.5W
Impedance (Max) (Zzt):	25 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 8V
Voltage - Forward (Vf) (Max) @ If:	1V @ 50mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	TO-261-4, TO-261AA
Supplier Device Package:	SOT-223
Base Part Number:	BZV90C12

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Introduction to BZV90-C12, 115

The BZV90-C12, 115 diode is a single Zener diode from the family of high power breakdown diode, specifically designed for the protection of circuits against sustained over voltages. This diode is made from a high grade silicon material which provides for a breakdown voltage between 15V and 20V.

Application fields

This diode is typically used in a variety of power supplies and circuit protection applications such as:

• High peak power circuits
• Switching power supplies
• Sustainable over voltage protection
• AC/DC converters
• Uninterruptible Power Supplies (UPS)
• Inductors, transformers, and capacitors
• Logic and memory chips

Working Principle

The BZV90-C12, 115 diode is designed to operate with a breakdown voltage of 15V to 20V. This breakdown voltage sets the reference value needed to regulate the current in the circuit. When the current in the circuit reaches the breakdown voltage, the voltage across the diode will drop to a controlled level, thus preventing the circuit from being subjected to a sustained level of over voltage.When the current in the circuit exceeds the breakdown voltage, the diode will begin to conduct and let the current pass through. This is due to the diode changing from an open state to a conducting state when the voltage across it reaches the breakdown voltage. This conducting state will act as a clamp, clamping the applied voltage to a safe level and preventing any further increases. As the current reaches the breakdown voltage, a small voltage will be applied to the cathode of the diode and it will remain at this level until the current is removed. The cathode is the pin that is connected to the most negative side of the circuit and so the voltage between the anode and the cathode will remain constant. This is known as the Zener voltage. It is this voltage that sets the limit of the applied current and thus ensures that the circuit will not become subjected to a sustained over voltage.

Conclusion

In conclusion, the BZV90-C12, 115 diode is a single Zener diode designed as a high power breakdown component for circuit protection in a variety of application fields. It allows for sustained over voltage protection and helps to ensure that the circuit does not become subjected to sustained levels of current. It is an important component in helping to ensure that circuits are running at a safe level of voltage.

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