50ST475M5750

Series:	PMLCAP®, ST
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	4.7µF
Tolerance:	±20%
Voltage Rating - AC:	--
Voltage Rating - DC:	50V
Dielectric Material:	Acrylic, Metallized
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	2220 (5750 Metric)
Size / Dimension:	0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max):	0.110" (2.80mm)
Termination:	--
Lead Spacing:	--
Applications:	DC Link, DC Filtering
Ratings:	--
Features:	--

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Introduction

Film capacitors are used in a wide variety of applications in circuit boards and electronic systems. The 50ST475M5750 is one such device, and this article will discuss its application field and working principle.

Application Field

The 50ST475M5750 is a non-polarized polypropylene film capacitor. It is used primarily for AC operations, and is suitable for motors, relay coils, audible transformers, and air conditioning systems. It is designed to be able to handle high peak voltage and current, withstanding up to a peak surge current of up to 5 times its rated value.As a polypropylene film capacitor, the 50ST475M5750 is highly durable, and resistant to temperature and humidity changes. This makes it ideal for use in applications requiring long service life, such as in automobiles, marine and outdoor equipment, and for other applications where those harsh conditions are common. It can also be used in a variety of other applications, including high voltage DC circuits, fluorescent ballast circuits, inductive loads, and others where its enhanced performance and durability can best be capitalized on.

Working Principle

The 50ST475M5750 operates through a principle known as electrostatic induction. It consists of two metallic electrodes, which are separated by a thin polymer film. When an alternating current (AC) is applied to the film, it causes a dielectric film to be created inside the capacitor. This dielectric film creates an electric field between the two metallic plates, which produces a voltage drop across the plates. This voltage drop is also known as capacitance, and the greater the voltage, the greater the capacitance. The 50ST475M5750 has a capacitance of up to 0.5uf.This principle of electrostatic induction also helps the 50ST475M5750 to be more resistant to environmental factors, such as humidity and temperature. Since the dielectric film is made of a thin polymer film, it creates a barrier against moisture and other environmental factors, which can degrade the performance of the device. The 50ST475M5750 also has a lower ESR (Equivalent Series Resistance), which helps to reduce power loss due to impedance.

Conclusion

The 50ST475M5750 is a non-polarized polypropylene film capacitor, and is suitable for a variety of applications requiring long service life. It is designed to handle higher peak voltages and current, withstanding up to a peak surge current of up to 5 times its rated value. The 50ST475M5750 operates through a principle of electrostatic induction, creating an electric field between two metallic electrodes and producing a voltage drop across the plates. It is also highly resistant to environmental factors such as humidity and temperature.

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