BFC237934823

Operating Temperature:	-55°C ~ 85°C
Features:	Long Life
Ratings:	--
Applications:	High Pulse, DV/DT
Lead Spacing:	0.394" (10.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.394" (10.00mm)
Size / Dimension:	0.492" L x 0.157" W (12.50mm x 4.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP379
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	160V
Voltage Rating - AC:	100V
Tolerance:	±5%
Capacitance:	0.082µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors are widely used in electronics, construction, and mechanical engineering. They are especially suitable for applications that require high reliability, miniaturization, and high insulation resistance. The popular BFC237934823 is an example of the film capacitor that offers excellent performance in these application fields. In this article, we will discuss the application field and working principle of the BFC237934823.

Application Field

The BFC237934823 is a polypropylene film capacitor and is widely used in power electronics, commercial electronics, aerospace, telecommunications, and other applications. It is especially suitable for pulse rectification and power smoothing due to its high insulation resistance and low temperature coefficient. It can also be used in winding machines, high-frequency transformers, inverters, radios, communication equipment, and other devices to reduce the ripple of regulated voltage.

Working Principle

The BFC237934823 is constructed of two layers of electrode plates, separated by a thick film of polypropylene. The two electrode plates are then wound into a coil and sealed in an aluminum case. When a steady state potential difference is applied across the capacitor, an electric field is created between the two layers. The electric field brings about the accumulation of charge on the two layers, which causes a current flow between them. This current flow is opposed by the electric field, which results in the capacitor storing energy (potential energy) inside it. When the potential is removed, the stored energy is released back into the capacitor in the form of a voltage drop. This is the working principle of the BFC237934823.

Advantages

The BFC237934823 has several advantages over other film capacitors. Firstly, it has low equivalent series resistance (ESR), making it suitable for high frequency applications. Secondly, it has a high insulation resistance, making it less prone to leakage. Thirdly, it has excellent pulse rectification properties, which makes it ideal for pulse-width modulation (PWM) applications. Finally, it has low self-inductance, which makes it able to respond quickly to applied voltage.

Limitations

The BFC237934823 is not without its limitations. It has a relatively high cost, which can be a limiting factor in many applications. Additionally, its temperature coefficient of capacitance (TCC) is not as low as some more advanced films, making it unsuitable for high temperature applications. Finally, its rated voltage is relatively low compared to some other film capacitors.

Conclusion

In conclusion, the BFC237934823 is an excellent polypropylene film capacitor suitable for a wide range of applications. It offers high insulation resistance, low ESR, and excellent pulse rectification performance, making it an ideal choice for power electronics and high frequency applications. However, its relatively high cost and limited voltage range mean it may not be suitable for all applications.

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