2EZ20D5/TR12

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A 2EZ20D5/TR12 diode is part of the Zener diode family; this is evident from its suffix letters ‘ Z ‘ & ‘ TR ‘. This specialized semiconductor device is a two-terminal component that is especially used for the purpose of voltage regulation and affords a high level of current protection. Consequently, the 2EZ20D5/TR12 diode is a prominent member of the Single Diode – Zener diode group.The 2EZ20D5/TR12 diode has numerous applications in the fields of Electronic Power Supply, Battery Chargers, and Signal Voltage Reference.The typical working principle of a Zener diode is that of reverse biasing. As opposed to an ordinary diode, where no current flows through the device until a ‘ threshold voltage ’ is applied, with a Zener diode a small ‘ reverse current ’ begins to flow through the diode as soon as a small reverse voltage is applied.As the reverse voltage is increased, the current level also rises. This voltage-current response is known as the Zener knee, and this is where the diode takes its name from. As the applied voltage reaches the Zener knee that the device is designed for, the current passes through a maximum point known as the Zener voltage.At this point a diode holds its characteristic voltage point very stable over a wide range of input excursion current and variations. This is known as a ‘ breakdown ’ or ‘ avalanche ’ and is desirable in voltage regulation applications.The 2EZ20D5/TR12 is a silicon Zener diode rated at 20 volts with a maximum forward current of 5 amperes and a reverse current of 5 amperes. For reliable operation, the device’s forward voltage is 1.2 volts and the average power dissipation is 1 watt.The main purpose of the 2EZ20D5/TR12 diode is to protect circuits and components from over-voltage damage in Electronic Power Supply applications. It also provides voltage reference in Battery Chargers, as well as Signal Voltage, hence implementing a highly dependable protection mechanism.In conclusion, the 2EZ20D5/TR12 is an ideal choice for Voltage Regulation and Current Protection applications in the Electronic Power Supply, Battery Charger, and Signal Voltage Reference field.

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