2EZ91D10/TR12

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	91V
Tolerance:	±10%
Power - Max:	2W
Impedance (Max) (Zzt):	125 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 69.2V
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:	2EZ91

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Diodes - Zener - Single

The 2EZ91D10/TR12 is a single Zener diode used in a wide range of applications from commercial to industrial. Zener diodes are designed to keep a fixed voltage across their terminals and to clamp the voltage to a predetermined level. This makes them ideal for use in voltage limiting, voltage regulation and voltage protection circuits.The 2EZ91D10/TR12’s maximum reverse breakdown voltage is 10V and its reverse current is 80 mA. The diode has a maximum power dissipation of 500mW and it is made of planar technology as well as having a high surge current of 500mA. The diode is encased in a SOT-343 package, which provides efficient heat dissipation and protection. The comprehensive datasheet supplied by the manufacturer provides detailed specifications and performance parameters.The 2EZ91D10/TR12 is widely used in the field of linear voltage regulation. The use of the diode makes it possible to build circuits capable of providing an accurate voltage source for applications such as battery chargers, automotive electronics and other precision power supplies. The diode also finds use in reverse silent operation in switching power supplies and can also be employed in other sensitive electronics.The working principle of the 2EZ91D10/TR12 is based on the fact that the current characteristics of the diode is temperature dependent. It is this property that gives the diode its electrical performance advantages. At temperatures below impedance of the diode is high and the current flow is low, while at higher temperatures impedance drops quickly leading up to full current flow at breakdown voltage. This allows for efficient power consumption and voltage clamps by the diode.In linear voltage regulation applications, the 2EZ91D10/TR12 acts as the regulator in the circuit. As discussed before the diode’s temperature-dependent properties allow for the current to remain at a regulated level in the circuit even when the voltage increases or decreases. This provides the regulated voltage required by many applications.In switching power supplies and sensitive electronics, the 2EZ91D10/TR12 is used for reverse silent operation. In such applications, the diode is used to control the power flow and limit the voltage by generating a switchback when the current flow is too high. This prevents unnecessary noise and stress on the sensitive components.The 2EZ91D10/TR12 can also be employed in other applications like in measurement and control systems which require precise control of voltage and power supply. The diode is also used in peak current limiter, voltage clipper and voltage regulator circuits.The 2EZ91D10/TR12 is a highly reliable and cost-effective single zener diode, with a wide range of applications. With its superior electrical performance and efficient power dissipation the diode can be used in a variety of circuits to provide the needed precision and accuracy. To ensure a high level of quality and stability, the datasheets and parameters supplied by the manufacturer should always be consulted before installation.

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