BFC237142124

Operating Temperature:	-55°C ~ 105°C
Features:	Long Life
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.300" (7.62mm)
Termination:	PC Pins
Height - Seated (Max):	0.413" (10.50mm)
Size / Dimension:	0.394" L x 0.197" W (10.00mm x 5.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKT371
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	160V
Tolerance:	±5%
Capacitance:	0.12µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, also known as plastic dielectric capacitors, are non-polarized capacitors primarily used in AC-DC applications. A film capacitor is constructed by laminating two layers of electrical grade film, typically polyester or polypropylene, and winding them onto a spool. In other words, the construction of a film capacitor is similar to that of an inductor. The capacitance of a film capacitor is determined by the surface area of the film layers as well as the permittivity. In general, film capacitors are used in applications that require a relatively high capacitance and low equivalent series resistance (ESR) compared to other types of capacitors.

BFC237142124 Application Field and Working Principle

The BFC237142124 is a polyester film capacitor, which is a type of film capacitor. Polyester film capacitors have a number of advantages over other types of capacitors, such as low parasitic inductance, low self-inductance, and low ESR. As a result, they are commonly used in applications that require high-precision frequency characteristics, such as audio, signal, and various communication equipment applications. The polyester film BFC237142124 also has excellent temperature stability, low dissipation factor, and low dielectric losses, making it a suitable choice for many power supply and signal conditioning applications. The BFC237142124 has a capacitance value of 0.01 µF and a voltage rating of 10VAC. This makes it a suitable choice for AC voltage applications or operations involving high voltage, such as high voltage bypass, AC and DC power supply filtering, and RFI/EMI noise filtering. Additionally, the BFC237142124 has a high ripple current rating of up to 200mA, making it suitable for high current applications.The working principle of the BFC237142124 is based on the three fundamental properties of capacitance - the capacity of electrical charges to accumulate in a particular location, the ability to store potential energy, and the ability to oppose changes in voltage. In the case of the BFC237142124 polyester film capacitor, two metal conductors are separated by a dielectric film, forming an electric field between them. When a voltage is applied to the two conductors, the dielectric material accumulates electrons, forming a storage of potential energy. As the voltage across the two conductors changes, a displacement current is created which opposes the change in voltage and limits the rate of change, thus exhibiting capacitive behavior.

Conclusion

The BFC237142124 is a polyester film capacitor, which has a number of advantages over other types of capacitors. It has a capacitance value of 0.01 µF and a voltage rating of 10VAC making it suitable for AC voltage applications, RFI/EMI noise filtering, high voltage bypass, and power supply filtering. It also has a high ripple current rating of 200mA, making it suitable for high current applications. The working principle of the BFC237142124 is based on the three fundamental properties of capacitance - the capacity of electrical charges to accumulate, the ability to store potential energy, and the ability to oppose changes in voltage.

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