1N5913AP/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	3.3V
Tolerance:	±10%
Power - Max:	1.5W
Impedance (Max) (Zzt):	10 Ohms
Current - Reverse Leakage @ Vr:	100µA @ 1V
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:	1N5913

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Introduction

The 1N5913AP/TR8 is a surface mount Zener diode that is designed for general-purpose application. It is an inexpensive and widely available diode type, ideal as voltage stabilizers, reference sources, and protection against overvoltage. It is a convenient component for cost-sensitive and space-constrained application fields. In this article, we will discuss the application fields and working principles of the 1N5913AP/TR8.

Body

The 1N5913AP/TR8 belongs to the Zener Single type category of diodes. Zener diodes are two-terminal devices that, unlike normal p-n junction diodes, allow current to flow in both directions, forward and reverse. When the applied reverse voltage is higher than a certain predetermined breakdown voltage known as the Zener voltage, the diode of the Zener type allows a reverse current to flow. This is known as Zener conduction, and the amount of current that flows depends on the voltage and temperature. The 1N5913AP/TR8 features a microscopic construction, with an anode and cathode layer of p-n junction and a thin layer of other materials in between. When a voltage greater than the Zener voltage of the diode is applied, the conduction band of electrons crosses the 0.7V barrier and a current of electrons flow in reverse direction, thus providing a constant and predictable voltage. The Zener voltage of the 1N5913AP/TR8 is 8.2V, with a maximum power rating of 0.5 Watts. The Zener diode provides a stable reference point in various situations, and can also be used to rectify the output of power supplies.The 1N5913AP/TR8 has a wide range of practical applications, including:

• Over-voltage protection: The 1N5913AP/TR8 is widely used to protect circuits from over-voltage. When the reverse voltage applied to the 1N5913AP/TR8 reaches 8.2V, the current will flow in reverse direction to protect the circuit;
• Voltage references: The Zener voltage of the diode is relatively constant, making the 1N5913AP/TR8 ideal for providing a stable reference voltage in electronic circuits;
• DC power supplies: The 1N5913AP/TR8 diode allows AC signal to be transferred to a DC signal, providing an efficient, cost-effective method of DC power supply;
• Voltage regulation: The 1N5913AP/TR8 can be used to regulate the output voltage of an unregulated power supply and provide a steady and predictable output;
• Filtering: The 1N5913AP/TR8 can be used in some cases as a filter element, as it allows DC and low-frequency signals to pass, while blocking higher frequencies.

In addition, the 1N5913AP/TR8 has excellent frequency response characteristics, making it suitable for a variety of frequency-sensitive applications.

Conclusion

The 1N5913AP/TR8 is an efficient and economical diode that can be used in a wide variety of applications. It is ideal for over-voltage protection, voltage referencing, DC power supplies, voltage regulation and filtering. Its key characteristics include a Zener voltage of 8.2V, maximum power rating of 0.5W, excellent frequency response and a microscopic construction.

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