1EZ120DE3/TR12

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The 1EZ120DE3/TR12 belongs to the diodes – zener – single category, and it is a low voltage standard zener diode. The working principle of the device is based on using a reverse biased connection with a certain amount of reverse voltage applied. This zener diode is specific because it offers a low leakage current and a relatively high maximum power.

This particular type of diode is common for applications such as temperature sensing, surge management, voltage regulation, lighting control, and electric heater control. From an automotive perspective, it is also common for applications such as EMI suppression and lamp flasher circuits.

When it comes to the application field, 1EZ120DE3/TR12 is a device that can be used for voltage regulation purposes in various electronic circuits. In fact, it is often used for voltage regulation of low voltage, low power circuits due to its relatively low maximum power.

The device typically has a zener voltage that ranges from 7.1 V - 12 V, and a maximum reverse current of 30 uA. Furthermore, its maximum peak reverse voltage is 17.6 V, while its maximum supporting power is 500 mW.

The working principle of the 1EZ120DE3/TR12 primarily relies on the physical structure of the PN junction. When the reverse voltage is applied to this type of diode, it creates an electric field along the junction. This electric field, in turn, forces the majority of holes in the p-type regions, and electrons in the n-type regions to migrate to the junction. The migration of these electrons and holes drives a current in the reverse direction along the diode, which is why this diode is called a “reverse-biased junction”.

Due to the physical structure of this junction, it has a certain level of resistance that determines the maximum current that can be passed through it. This resistance is what defines the maximum power that this device can handle.

Moreover, the reverse voltage of this type of diode can also be used for other applications. For instance, it can be used to stabilize the output voltage of power supplies and voltage regulators, as well as to achieve an accurate temperature measurement in numerous types of temperature sensing circuit.

To sum up, 1EZ120DE3/TR12 device belongs to the diodes – zener – single category of devices and it is a low voltage standard zener diode. It offers low leakage current, relatively high maximum power and a zener voltage range of 7.1 V - 12 V, with a maximum reverse current of 30 uA and a maximum peak reverse voltage of 17.6 V. Additionally, it can be used for voltage regulation, temperature sensing, surge management, electric heater control, lamp flasher circuits and other applications.

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