Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	27V
Tolerance:	±2%
Power - Max:	3W
Impedance (Max) (Zzt):	10 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 20.6V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Base Part Number:	3EZ27

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Introduction

The 3EZ27D2E3/TR12 is a single Zener diode, a device built from a semiconductor material that conducts current in one direction and blocks it in the other. It is an important component in the modern electronics industry, used in a variety of applications. This article will discuss the various applications of the 3EZ27D2E3/TR12, as well as its working principle.

Features

The 3EZ27D2E3/TR12 is a single Zener diode, meaning it is composed of a single PN-junction of n-type and p-type materials. It has a reverse breakdown voltage ∆VZ of 5.1V, with a maximum forward current of 100mA and maximum power dissipation of 500mW. These features make the diode suitable for a wide array of electronics applications.

Application Field

One common application for the 3EZ27D2E3/TR12 is as a voltage regulator. It can be used to regulate the voltage supplied to an electrical circuit, by allowing current to pass in one direction at a constant voltage. This is important for ensuring that circuit components are all supplied with the correct voltage for optimal function. The 3EZ27D2E3/TR12 can also act as a logical "or" gate, allowing two different logic levels to be combined. For example, the diode can be used to send a high signal when either a high or a low signal is received. Finally, the 3EZ27D2E3/TR12 can be used as a voltage reference in an analog circuit. When a portion of the circuit requires a specific voltage level, the diode can provide this, as it will stay at the same voltage regardless of the current passing through it.

Working Principle

The working principle of the 3EZ27D2E3/TR12 is based on the PN-junction of n-type and p-type materials. In its normal state, the current passes through the diode in one direction only (from the anode to the cathode). When a reverse bias is applied, meaning that the anode is given a negative voltage compared to the cathode, the current starts flowing in the opposite direction. This is due to a depletion of the electrons and holes in the junction region. At a certain point, known as the breakdown voltage, the current becomes so great that the diode allows current to pass in both directions (this is known as `zener breakdown\'). The magnitude of this voltage is determined by the parameters of the semiconductor materials used to construct the diode. The 3EZ27D2E3/TR12 has a breakdown voltage of 5.1V, meaning that any voltage higher than this will cause current to flow in both directions.

Conclusion

The 3EZ27D2E3/TR12 is a single Zener diode with a range of applications, such as voltage regulation, logic gate operation and voltage reference. Its working principle is based on the PN-junction in the diode, which has a reverse breakdown voltage of 5.1V. This makes it suitable for a range of electronics applications, such as for regulating and supplying exact voltage levels.

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