1PMT5940E3/TR7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	43V
Tolerance:	±20%
Power - Max:	3W
Impedance (Max) (Zzt):	53 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 32.7V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-216AA
Supplier Device Package:	DO-216AA
Base Part Number:	1PMT5940

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Introduction

1PMT5940E3/TR7 is a type of diodes, specifically known as Zener single, which is widely used for electricity regulation and stabilization purposes. Developed by the electronic components manufacturer Pioneer Electronics Japan, it has quickly become the most famous, reliable and widely used device for a variety of applications. This article will explore the applications and working principle of 1PMT5940E3/TR7.

Applications

1PMT5940E3/TR7 is a Zener single diode and is widely employed to provide feedback and stabilization control due to its simple and reliable design. This type of diodes is commonly used in circuits, where the voltage needs to be stabilized or regulated. In many cases, the diode will act as a voltage regulator. For example, it can be used in power supplies and domestic electronics to protect circuits from unwanted voltage tilts. The diode can also provide an adjustable voltage reference for converters or for circuit designs that require a low power, low current or low noise reference. 1PMT5940E3/TR7 and other Zener single diodes are also widely used in analog circuits. They are often used to set the input bias level for transistors and can be connected across the collectors or bases of transistors to reduce the risk of overload and thermal runaway. Additionally, Zener singular diodes can also be used to create a clamping circuit to avoid extreme voltages from reaching a transistor.

Working Principle

1PMT5940E3/TR7 is a silicon Zener single diode, which works by controlling the electrical current in a circuit. In a diode, the charges flow freely in the forward direction but are blocked in the reverse direction. This diode is unique in that it allows charge to be transferred in both directions. When the applied voltage is greater than the diode’s Zener voltage, the “diode” behaves as a regular diode, blocking the current flow in the reverse direction. But when the applied voltage drops below the Zener voltage, the diode behaves like a semiconductor, allowing a small current to flow from the reverse direction. The current will continue to flow until the voltage drops to the point that the current flowing is equal to the diode\'s dynamic resistance. Therefore, the purpose of the diode is to regulate the voltage by allowing a small current to flow in the reverse direction.

Conclusion

To sum up, 1PMT5940E3/TR7 is a Zener single diode which is mainly used to regulate and stabilize the voltage in an electrical circuit. It can be used in a variety of applications, including power supplies, transistor circuits, analog designs and more. The working principle of 1PMT5940E3/TR7 lies in the fact that it allows a small current to flow through the diode in the reverse direction, when the voltage drops below the diode’s Zener voltage.

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