1N5925PE3/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	10V
Tolerance:	±20%
Power - Max:	1.5W
Impedance (Max) (Zzt):	4.5 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 8V
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:	1N5925

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Introduction

The 1N5925PE3/TR8 is a Zener diode, more specifically a single diode within this category. Zener diodes are diodes which are specially designed to pass an electric current in one direction, while they also allow current to pass in reverse directions at the same time when a certain specified voltage is exceeded. The 1N5925PE3/TR8 diode is specifically designed for low-voltage, low-current applications.

Application Fields

The 1N5925PE3/TR8 primarily finds application in the electronics industry. It is often used as a voltage regulator in any device that requires energy from a power supply or battery. It can be used in an AC-DC converter, an amplifier circuit, for over-voltage protection or in series with a power source for reverse polarity protection. Additionally, Zener diodes can be used for thermal regulation by keeping an oscillator at a constant frequency or temperature.

Working Principle

The 1N5925PE3/TR8 works by utilizing the properties of an electric field. When the voltage of a current passing through the diode exceeds its reverse breakdown voltage, the electric field in the junction region of the diode can become strong enough to cause the electrons to break away from their covalent bond with the atom - a phenomenon called Zener Tunneling. Zener tunneling then results in electrons passing through the diode even when the polarity of the potential difference is reversed.This results in current flowing through the diode even though the polarity of the applied voltage is the opposite of the typical forward bias that would be observed in a traditional diode. This backward current flowing through the diode causes an additional voltage to build up at the PN junction. This voltage known as the Zener voltage helps to maintain a steady voltage across the diode, and consequently, regulates the voltage of the circuit.

Conclusion

In conclusion, the 1N5925PE3/TR8 is a single Zener diode optimized for a variety of low-power, low-voltage applications, most notably in the electronics industry. Its primary purpose is to regulate voltage and it does so by using the phenomenon of Zener tunneling. Through this process, current is allowed to flow through the diode in both forward and reverse biases, resulting in a sustained, regulated voltage in the circuit.

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