405PSB700K4R

ESR (Equivalent Series Resistance):	2.4 mOhms
Features:	--
Ratings:	--
Applications:	High Frequency, Switching; High Pulse, DV/DT; Snubber
Lead Spacing:	2.067" (52.50mm)
Termination:	PC Pins
Height - Seated (Max):	1.772" (45.00mm)
Size / Dimension:	2.264" L x 1.181" W (57.50mm x 30.00mm)
Package / Case:	Radial - 4 Leads
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 100°C
Series:	PSB
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	700V
Voltage Rating - AC:	420V
Tolerance:	±10%
Capacitance:	4µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, short for Polypropylene Film Capacitors, are amongst the most popular capacitors in the electronics industry. They consist of two thin metal foils separated by a dielectric plastic film that is then rolled into a cylindrical configuration and enclosed in a hard plastic case. Modern film capacitors are based on the technology used for paper capacitors which have been around since the early 1960s.

Application Field of 405PSB700K4R

The 405PSB700K4R is a type of film capacitor specifically designed for the Power Supply Board (PSB). It is used in a wide variety of applications including filtering, sampling, motor control, and lighting systems. This type of capacitor is well suited for high voltage, high frequency, high power applications where stability and reliability are paramount. It is also able to withstand large voltage surges without damage or degradation and is suitable for a variety of environmental conditions.

Working Principle of 405PSB700K4R

The 405PSB700K4R is a polypropylene capacitor that works by store energy in a dielectric plastic film between two metal foils. The capacitor works as an electrical component by storing the energy and then releasing it on demand. Incoming alternating current (AC) provides voltage to the capacitor, and the voltage differential is stored in the dielectric material and released when the current stops.The stored energy in the capacitor can then be used to supply the power to the electronic circuit depending on the charge and discharge time of the capacitor. This allows the capacitor to hold a particular level of voltage at any time, even when the voltage level fluctuates.The film also makes the capacitor resistant to environmental influence. The 405PSB700K4R is also designed to minimise the value of series inductance resulting in a high levels of ripple current capability. As a result, it is suitable for use in a wide range of high power applications.

Conclusion

In conclusion, the 405PSB700K4R is a polypropylene film capacitor specifically designed for the Power Supply Board (PSB). It is suitable for a variety of environmental conditions and is capable of withstanding large voltage surges. It is well-suited for high voltage, high frequency, high power applications, where stability and reliability are of paramount importance. It has a low series inductance resulting in a high level of ripple current capability, making it suitable for use in a variety of applications.

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