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):	0.354" (9.00mm)
Size / Dimension:	0.394" L x 0.157" W (10.00mm x 4.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKT371
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	160V
Tolerance:	±10%
Capacitance:	0.082µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Introduction

Film capacitors, also known as plastic capacitors, are components found in electronic assemblies. They are designed to store electrical energy and act as a filter between power supplies and other electronic components. Film capacitors can be found in a variety of industries, such as medical, automotive, computer, audio, robotics, and electronics. These capacitors have a variety of uses, including controlling voltage spikes, protecting high-speed data lines, providing high accuracy in signal filtering, and boosting feedback or output signals.

BFC237145823 Application Field and Working Principle

BFC237145823 film capacitors are designed for high-frequency, high frequency-adjustable, and pulse applications. These capacitors offer both high-frequency performance and motionless adjustments for on-site tuning. They are constructed with a polyester dielectric material and a reliable copper contact for a long service life. The capacitance can be adjusted over a wide range according to the temperature, with a maximum tolerance of ±10%.These capacitors feature high capacitance up to 68,000pF, low ESR, and low loss-tangent. Their maximum operating temperature range is between -40°C and 110°C, with a maximum capacitance variation of ±15% at these temperatures.The working principle of the BFC237145823 film capacitor is based on the electrostatic field within a double layer of thin dielectric material. When a DC voltage is applied across the layers, a charge is generated and stored on one of the layers, while the electric field in the other layer repels the charge and keeps it fixed. By adjusting the voltage on the capacitor, the capacitance can be adjusted accordingly. This allows the capacitor to be tuned for different frequency applications and to provide high-precision adjustments in various applications.

Applications

Film capacitors such as the BFC237145823 are used in a wide range of applications, such as in automotive electrical systems, audio equipment, motor control, instrumentation, and power converters. Their precision tuning capabilities are used to boost output signals, filter frequencies, and protect data lines against power fluctuations and voltage spikes. They also provide superior performance in high-frequency applications, where they are used to filter signals and prevent distortion.

Conclusion

The BFC237145823 film capacitor is a versatile component used in a variety of industries. Its adjustable tuning capabilities offer precision performance in both high-frequency and pulse applications. Its high capacitance, low ESR, and low loss-tangent make it suitable for applications in audio equipment, motor control, instrumentation, and power converters. This capacitor also provides reliable operation and long service life, even in areas with extreme operating temperatures.

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Part Number	Manufacturer	Price	Quantity	Description