3EZ7.5D2/TR12

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Diodes in the Zener family, such as the 3EZ7.5D2/TR12, are designed to allow current to flow in both directions and are commonly used as voltage regulators in consumer electronics. They are a special type of diode, which allow current to flow in either direction, as needed, without affecting the zener voltage of the device. The Working principle of a zener diode can be explained by examining the current-voltage (IV) curve of the device. On the IV curve, we can see that the device behaves like a normal diode when biased in a forward direction, with a steep decline in voltage when current is increased. However, when biased in a reverse direction, the device exhibits a "knee" in the curve that produces a nearly constant voltage drop when the reverse bias voltage is greater than the zener voltage.

The 3EZ7.5D2/TR12 zener diode is a single zener device, meaning it is a single p-n junction device. The device can be used as a voltage regulator in any circuit, provided the zener voltage is within the specified operating range. In its application as a voltage regulator, the device behaves like a non-linear resistor, with the zener voltage producing a nearly constant voltage drop (Vz), from the input voltage to the output voltage of the regulator.

When used as a voltage regulator, the 3EZ7.5D2/TR12 operates by allowing current to flow through the device when the input voltage is greater than the zener voltage. As the current flows through the device, it produces a voltage drop across the device (Vz) and limits the voltage applied to the output. By appropriately selecting the zener voltage, the output voltage can be easily regulated.

The 3EZ7.5D2/TR12 device is also suitable for a variety of other applications. It can be used in oscillator circuits, in clipper circuits, in current sensing applications and as a temperature-compensated rectifier, amongst other applications. It is also often used in low voltage battery level indicator circuits due to its ability to provide a constant voltage output over a range of input voltage.

In summary, the 3EZ7.5D2/TR12 is a single zener diode, commonly used as a voltage regulator in many consumer electronics applications. It operates by allowing current to flow through it when the input voltage is greater than the zener voltage, and by producing a nearly constant voltage drop across the device (Vz). It is also useful for other applications, including oscillator circuits, clipper circuits and current sensing applications, as well as in low voltage battery level indicators.

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