2EZ190D2E3/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	190V
Tolerance:	±2%
Power - Max:	2W
Impedance (Max) (Zzt):	825 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 144.8V
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:	2EZ190

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The 2EZ190D2E3/TR8 is a diode zener that is commonly used in multiple application fields, from industrial to automotive. It is a single diode zener, meaning it only has one diode connected in series. The circuit typically allows for larger amounts of power to be transferred and more efficient current flow. This makes it perfect for applications such as high voltage rail decoupling, EMI noise suppression, and free-wheeling.The 2EZ190D2E3/TR8 is a typical diode zener circuit, which consists of a series of two diodes connected in reverse. The function of the two diodes is to regulate the voltage between nodes. The first diode, which is connected in reverse biased, is called the zener diode and is used to act as a voltage regulator. The zener diode should be set at the desired voltage level for the circuit. The second diode is called the blocking diode, and it is used to prevent a reverse current flow.The current flow in the circuit is determined by the breakdown voltage across the two diodes. The breakdown voltage is the voltage where the diode will conduct current. The breakdown voltage in a diode zener circuit is typically lower than that of a standard diode, as the current is diverted through the zener diode instead of the blocking diode. This allows a much higher current to be drawn at a lower voltage. The 2EZ190D2E3/TR8 has a breakdown voltage of between 4.75 V and 5.25 V, which can be adjusted by the choice of zener diode. This allows for more precise current flow. The current rating of the 2EZ190D2E3/TR8 is 200 mA, which is more than capable of powering most applications. The maximum operating temperature of the diode zener is 150°C, providing it with more than enough heat dissipation for even the most demanding applications. The standard circuit for the 2EZ190D2E3/TR8 is set up such that the blocking diode will turn on when the voltage exceeds the zener diode breakdown voltage. This provides a beneficial protection to the circuit, as the blocking diode will prevent a reverse current flow. The combination of the high current rating, breakdown voltage, and protection make the 2EZ190D2E3/TR8 a great choice for many applications. The 2EZ190D2E3/TR8 can be used in a variety of applications due to its versatility. One of the most common uses is in high voltage rail decoupling. This is the process of decoupling different power sources from one another in order to reduce noise and interference. The combination of the two diodes allows for more precise current flow, making it perfect for this application. The 2EZ190D2E3/TR8 can also be used in EMI noise suppression, as the zener diode can be used to reduce electromagnetic interference. The blocking diode helps keep the circuit from being overloaded, further aiding in noise suppression. Finally, the 2EZ190D2E3/TR8 can be used for free-wheeling, where a current is switched from one side of a circuit to the other by the use of diodes. This is useful for transforming AC power into DC, or for storing up energy for later use. The 2EZ190D2E3/TR8 diode zener is a great choice for many applications, due to its high current rating, adjustable breakdown voltage, and protection. It is perfect for high voltage rail decoupling, EMI noise suppression, and free-wheeling applications. The versatility, performance and reliability of this single diode zener make it an invaluable component for almost any circuit.

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