1PGSMA4757HR3G

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	51V
Tolerance:	±5%
Power - Max:	1.25W
Impedance (Max) (Zzt):	95 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 38.8V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	DO-214AC (SMA)

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Introduction

The 1PGSMA4757HR3G is a single Zener diode from the popular 1PGSMA series manufactured by the NXP Corporation. This device is used in various applications such as voltage regulation and protection, switching, signal processing, and others. As the name suggests, the 1PGSMA4757HR3G is capable of handling high currents and voltages, making it ideal for applications that require a high degree of reliability.

Application Field

The 1PGSMA4757HR3G may be used in a number of applications such as voltage regulation, protection, switching and signal processing. It may be used in high power applications such as power supplies, motor control, and other motors in which current control is required. The device is also ideal for applications in which protection against overload or short circuit conditions is required. The device is also able to handle varying voltages, making it suitable for a wide range of applications. The device is also ideal for use in applications that require voltage clamping or surge protection, as it is able to maintain a constant voltage output despite varying input voltages. For example, the device may be used in switching regulators to prevent over-voltage conditions and to maintain a constant voltage during voltage spikes. The device is also useful in AC/DC converters, inverters and other systems which require a consistent output voltage. The device is also able to withstand reverse currents, making it suitable for use in battery powered systems which require reverse polarity protection.

Working Principle

The working principle of the 1PGSMA4757HR3G is based on the basic principles of a semiconductor diode. A diode is a two-terminal semiconductor device which can conduct electric current in one direction. The 1PGSMA4757HR3G is a Zener diode, which means that it is able to hold a constant voltage across its terminals regardless of the current which is flowing through it. The Zener diode works by utilizing the Zener effect, which is a characteristic of semiconductors. The Zener effect occurs when a material with a given resistivity is reverse biased at a certain voltage. Under these conditions, the material begins to conduct in a reverse direction, allowing a certain amount of current to flow through it. As long as the voltage across the diode remains the same, the diode will continue to conduct the same amount of current.

Conclusion

The 1PGSMA4757HR3G is a single Zener diode from the reliable 1PGSMA series manufactured by the NXP Corporation. This device is an ideal choice for applications that require a high degree of reliability and that must handle high currents and voltages. The 1PGSMA4757HR3G is used in a variety of applications, including voltage regulation and protection, switching and signal processing. Its working principle is based on the Zener effect and it is able to maintain a constant voltage output despite varying input voltages.

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