104PPB400K

Operating Temperature:	-55°C ~ 105°C
Features:	--
Ratings:	--
Applications:	Commutation; High Pulse, DV/DT; Snubber
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.571" (14.50mm)
Size / Dimension:	0.709" L x 0.335" W (18.00mm x 8.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	PPB
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	250V
Tolerance:	±10%
Capacitance:	0.1µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, also known as film dielectric capacitors, are a type of capacitor that uses a polymer film as its dielectric material. They have low equivalent series resistance (ESR) and are typically used as either bypass, or high-frequency/high-voltage capacitors. This article will discuss the 104PPB400K application field and working principle, a type of film capacitor manufactured by EKY Manufacturing Corporation.

Application Field

The 104PPB400K film capacitor is primarily used in industrial and automotive applications. Its high temperature, low ESR, and high electric field stress strength make it an ideal choice for high-voltage, high-current, or high-temperature applications. It is often used in applications such as welding machines, electric circuits, arcing electric heating elements, motor controls, and inverters.

Physical Characteristics

The 104PPB400K film capacitor features two terminations. It has a voltage rating of 5V to 400V, and a capacitance range of 0.0001 to 0.12 uF. The capacitor is constructed with polyimide substrate and electrode, and a phenolic resin coating. The tolerance of the capacitor is rated +/- 10%. The maximum temperature rating for the 104PPB400K is 150 C, with a maximum safe operating temperature of +105 C.

Working Principle

The working principle of the 104PPB400K film capacitor is based on the law of electrostatics. It consists of two metal electrodes separated by a dielectric material, usually made from a polymer film. The electrodes of a film capacitor are typically made from aluminum foil, while the dielectric material is typically made from Teflon, polyester, polyimide, polycarbonate, or polystyrene. When electricity is applied to the capacitor, it forms an electric field between the two electrodes, causing an electric charge to be stored between them. This charge is proportional to the voltage applied to the capacitor and is known as the capacitance. The capacitance of a 104PPB400K film capacitor can be adjusted by altering the thickness of the dielectric material or by changing the distance between the two electrodes.

Conclusion

The 104PPB400K film capacitor is an excellent choice for many high-temperature, high-voltage, and high-current applications. Its high temperature rating, low ESR, and high electric field stress strength make it an ideal choice for many industrial and automotive applications. This article has discussed the application field and working principle of the 104PPB400K film capacitor.

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