3EZ120D2/TR12

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	120V
Tolerance:	±2%
Power - Max:	3W
Impedance (Max) (Zzt):	300 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 91.2V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Base Part Number:	3EZ120

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Diodes - Zener - Single - 3EZ120D2/TR12 Application Field and Working Principle

The 3EZ120D2/TR12 diode is a single unidirectional voltage-regulated diode which belongs to the family of Zener diodes. It is primarily used to provide a stabilized voltage in any application. It is specially designed to maintain a fairly constant voltage across its terminals even in the presence of external current or voltage changes.The 3EZ120D2/TR12 diode has a zinc oxide body which makes it suitable for a wide range of DC, AC, and pulsed current applications. The diode is available in a small-size package (SOT-23) and the terminals are marked with positive, negative, and case symbols. The breakdown voltage of this diode is typically around 12 volts and its maximum power dissipation is 350 mW.The working principle of a Zener diode is based on the concept of a p-n junction diode. A p-n junction diode is an electronic device consisting of two types of semiconductors – n-type and p-type – and that have been doped with different levels of impurities. When these two semiconductors are joined together, a depletion region is created at the junction of the two materials. When a voltage is applied to the diode and the current increases, the depletion region expands. This expansion creates a forward current until the zener voltage is reached and the depletion region is fully depleted. At this point, the zener diode breakdown occurs and the reverse current increases.The main purpose of a 3EZ120D2/TR12 diode is to provide a stable voltage source in any application and to protect other components from overvoltage. It can be used in many applications such as DC-DC converters, switching regulators, power supply controllers, and many more. It is also used in TV sets and computer monitors to prevent overvoltage spikes.The 3EZ120D2/TR12 diode is highly reliable and comes with a wide range of operating temperature and reverse voltage. It is also RoHS compliant, making it both reliable and environmentally friendly. The diode also has a low reverse leakage which makes it very efficient in providing a stabilized voltage for your applications.Overall, the 3EZ120D2/TR12 diode is a highly efficient, reliable, and affordable solution for any voltage-stabilization requirements. It is designed for use in a broad range of applications and is perfect for projects where precision current regulation and stabilization are required.

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