3EZ15D/TR12

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Zener diodes, also referred to as voltage-regulation diodes or simply Zeners, are commonly used in electronics to regulate or limit voltage levels in a circuit. The 3EZ15D/TR12 is a single Zener diode with a rated voltage of 15 V and a power dissipation of 200 mW.

The 3EZ15D/TR12 uses a Zener diode to allow current to flow in only one direction, while regulating voltage levels in the opposite direction. It is designed to be placed in series with the circuit which it will be regulating, and it operates by diverting excess current away from the protected circuit that might otherwise cause damage due to over-voltage. The 3EZ15D/TR12 can be used to protect sensitive electronic components, such as microcontrollers or solid-state memories, from unexpected or potentially hazardous over-voltage conditions.

The 3EZ15D/TR12 is a voltage-regulated device. This means that it will regulate the voltage supplied to it from its input power source to a specific level. In the case of the 3EZ15D/TR12, that level is 15 V. This is accomplished by allowing the current from the input power source to flow through the diode until it reaches the regulated voltage, then diverting any excess current away from the protected circuit.

The working principle of the 3EZ15D/TR12 is based on the characteristics of the Zener diode itself. The diode has a very thin region of p-type semiconductor material between two thicker regions of n-type material. This thin region acts as a barrier to current, effectively blocking any current that is flowing in the reverse direction. However, if the voltage applied to the diode exceeds the Zener voltage, it causes a “breakdown,” allowing current to flow in the reverse direction. This reverse current is then diverted away from the protected circuit.

The 3EZ15D/TR12 is a versatile device and can be used in a variety of applications. It can be incorporated into a power supply circuit to protect downstream components from damage caused by over-voltage, or as a safeguard against power supply surges in automotive, solar panel, and LED lighting applications. It can also be used as a voltage reference, a variable resistor or even an amplifying transistor.

The 3EZ15D/TR12 is an invaluable device for designers who require precise and reliable voltage regulation. It is a cost-effective alternative to expensive overvoltage protection components, and its ability to accurately control the output of circuits makes it a valuable addition to any design engineer’s toolkit.

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