3EZ27D/TR8

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Diodes - Zener - Single are electronic components that are used to control the current or Voltages in circuits. The 3EZ27D/TR8 is a single Zener diode that is mounted on a TO-220 type package. It is widely used in many different applications, most notably as a voltage regulator, a clamping device, a protection device, and a surge protector.

Overview

The 3EZ27D/TR8 is a single Zener diode. It has a forward voltage ranging from 2.6 V to 40 V, with a minimum breakdown voltage of 5.1 V. The diode also has a maximum power dissipation of 500 mW. It has a maximum power rating of 800 mW and a reverse current of 3.5 mA. It is available in both RoHS and non-RoHS compliant versions.

Application Fields

The 3EZ27D/TR8 is primarily used as a voltage regulator, clamping device, protection device and a surge protector. As a voltage regulator, it is used to maintain a steady voltage level in a power supply circuit. This helps to ensure a more stable output over a wide range of input voltages. As a clamping device, the diode is used to help control the maximum peak voltage in an AC circuit and to protect vulnerable components from voltage spikes. As a protection device, the 3EZ27D/TR8 is used to protect sensitive electronics from overvoltage and over-current. Finally, as a surge protector, it is used to protect circuits from transient voltage surges caused by lightning or power spikes.

Working Principle

When used as a voltage regulator or clamping device, the 3EZ27D/TR8 works by controlling the current through a circuit in order to maintain a predetermined voltage level. It does this by using a breakdown voltage that is determined by the forward voltage of the diode. As the current rises, the diode’s breakdown voltage decreases, limiting the current. This is referred to as Zener breakdown, and it is the principle upon which the 3EZ27D/TR8 operates.

When used as a protection device, the 3EZ27D/TR8 works by quickly shuttling excess current away from sensitive components. It does this by clamping the voltage at a preset level to protect against voltage spikes. In addition, it also blocks any current that is greater than a certain level. This prevents any over-current scenarios from occurring.

Finally, when used as a surge protector, the 3EZ27D/TR8 acts by quickly clamping any transient voltage surges that occur in the circuit. This is done by acting as a short circuit to the circuit, effectively dissipating any excess current that might be caused by the voltage surge. This helps to protect vulnerable components from any potential damage caused by the transient voltage spikes.

Conclusion

The 3EZ27D/TR8 is a single Zener diode that is used as a voltage regulator, a protection device, a clamping device and a surge protector. It works by using Zener breakdown to control the current through a circuit and to protect components from over-voltage scenarios and transient voltage surges. The 3EZ27D/TR8 is an important component in many power supply and protection circuits.

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