2EZ12D5DO41E3/TR12 Discrete Semiconductor Products

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Diodes - Zener - Single

The 2EZ12D5DO41E3/TR12 is a single Zener diode that is used for a variety of applications. It is a small and compact diode that offers a wide range of uses for all types of circuitry designs.

Application Field

The 2EZ12D5DO41E3/TR12 is a standard single Zener diode. It can be used in a variety of applications, such as voltage regulation and blanking, for both AC and DC circuits. In DC circuits, it is ideal for protection of sensitive components, as well as voltage dividing in audio, video and other low-noise applications.

In AC circuits, the 2EZ12D5DO41E3/TR12 is mainly used for protection of components from over-voltage currents. These diodes are also commonly used in UPS systems, electronic timers, and AC-DC power supplies.

Working Principle

The 2EZ12D5DO41E3/TR12 is a single Zener diode. Its function is to maintain a constant voltage across a circuit, regardless of the varying current. This diode is designed to work with a specific breakdown voltage, typically 5 volts.

When a voltage lower than the breakdown voltage to which the diode has been set is applied across the diode, it uses this voltage to control the current that passes through it. This current is known as the Zener or "leakage" current. The diode loses power as it controls the current, which then releases the energy as heat. This is known as the "dissipation" power.

When the voltage across the diode is held constant, the diode is said to be "conducting". The Zener current and voltage remain fixed, and so the current-voltage characteristics across the diode can be determined.

When the voltage across the diode is high enough, the Zener current is not high enough to conduct and a low voltage drop is seen across the diode. This voltage is below the breakdown voltage and the diode is said to be "non-conducting". It is this combination of Zener current and voltage that determines the voltage that the diode drops.

The 2EZ12D5DO41E3/TR12 also has a negative temperature coefficient. This means that as the temperature increases, the Zener voltage decreases, allowing the diode to remain in operation at lower temperatures. This type of diode is particularly useful in applications such as AC-DC power supplies, where the temperature can fluctuate rapidly.

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