1N5371BE3/TR13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	60V
Tolerance:	±5%
Power - Max:	5W
Impedance (Max) (Zzt):	40 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 43V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 1A
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	T-18, Axial
Supplier Device Package:	T-18
Base Part Number:	1N5371

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Introduction

The 1N5371BE3/TR13 is a Zener Diode, a type of diode which conducts current in one direction but also allows current to flow in reverse direction when it reaches a certain voltage. This allows for the regulation of current and voltage across the diode due to its heavily doped junctions in the semiconductor material. The 1N5371BE3/TR13 is a single zener diode, meaning it only has one pn junction. It is a low power unit with a power rating of 0.25 watts, a very small diode compared to many.

Application field

The 1N5371BE3/TR13 find wide use in many applications. Generally, they are used in voltage regulation, surge suppression, and as a flasher. Voltage regulation is the most common application, with the 1N5371BE3/TR13 being used to create stable and reliable voltage sources or to protect equipment from unwanted high voltage sources. The surge suppression application is often used in power supplies and data lines. Here, the diode is coupled with a resistor in series, allowing a current to flow through the diode and the resistor. This current can then be controlled by adjusting the resistor and allowing for the proper adjustments for surge protection.The 1N5371BE3/TR13 can also be used as a flasher. In this application, a timer circuit is used to power the diode, creating an LED flashing effect. This allows for a customizable flashing pattern, making it ideal for signals and indicators.

Working principle

The 1N5371BE3/TR13 works on the principle of the pn junction. When positive voltage is applied to the anode side, the majority current carriers will flow from the anode to the cathode side. During this process, the charge carriers willneutralize each other. This process is called diffusion recombination. However, due to the heavily doped nature of the junctions, the charge carriers will be combined in absolute reverse direction when it reaches the breakdown voltage. When the breakdown voltage of the diode is reached, a large amount of current is conducted from the anode to the cathode, and a potential of a constant voltage can be seen on both sides of the diode. By regulating the current, the zener diode can be used to maintain a steady voltage across the junction. The process of this is also known as avalanche effect.

Conclusion

In conclusion, the 1N5371BE3/TR13 is a single Zener Diode which has a power rating of 0.272 watts and is largely used in many applications like voltage regulation, surge suppression, and as a flasher. It works on the principle of the pn junction, where the breakdown voltage is reached and a large amount of current is conducted from the anode to the cathode, allowing for a stable voltage across the junction.

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