Operating Temperature:	-55°C ~ 85°C
Features:	Long Life
Ratings:	--
Applications:	High Frequency, Switching
Lead Spacing:	0.197" (5.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.354" (9.00mm)
Size / Dimension:	0.283" L x 0.177" W (7.20mm x 4.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP419
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	--
Tolerance:	--
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Introduction

Film capacitors are ideal for use in many applications where low loss and high accuracy are essential. Film capacitors are used in many industries, from consumer electronics to aerospace and automotive systems. These devices offer excellent temperature stability and high capacitance for extreme conditions. The BFC241962004 is the latest in a long line of film capacitors with advanced features and superior performance.

Construction

Film capacitors are typically constructed out of a polyethylene terephthalate (PET) film dielectric. The dielectric is sandwiched between two metal electrodes, usually aluminum or copper. The electrodes are insulated to prevent an electrical short circuit and the whole structure is encased in a polypropylene (PP) casing. The metal electrodes are also protected by a protective coating of tin or another metal to reduce corrosion.

Application Field and Working Principle

The BFC241962004 film capacitor is suitable for use in a wide variety of applications, including pulse, power, and RF applications. This series of film capacitors has a low ESR and is designed for use in high current, high voltage applications. The capacitance is extremely stable and can handle high frequencies up to 1GHz.The working principle of a film capacitor is based on the dielectric. When a potential difference is applied between the metal electrodes, an electrical field is established within the dielectric. This electric field causes the electrons to move, creating an electric charge. The charge builds up until the potential difference across the electrodes is equal. This charge creates a capacitance that can store electrical energy and can be used to control electric current.

Advantages and Disadvantages

The main advantage of film capacitors is their ability to produce a stable capacitance in a wide range of temperature and pressure conditions. They are also able to handle high frequencies up to 1GHz without experiencing any significant derating. Additionally, film capacitors have a low ESR and low self-heating, which makes them ideal for use in high current, high voltage applications. One of the main disadvantages of film capacitors is the potential for instability due to moisture, temperature, and pressure fluctuations. Additionally, film capacitors have a lower energy storage capacity than other types of capacitors such as electrolytic capacitors.

Conclusion

The BFC241962004 is a film capacitor that offers a wide range of features and advanced performance. It is suitable for a variety of applications, including pulse, power, and RF applications. Film capacitors have excellent temperature stability and low ESR, making them ideal for use in high current, high voltage applications. However, they do have some drawbacks that must be considered, such as the potential for instability due to moisture, temperature, and pressure fluctuations.

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