ECQ-E2185KF

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.886" (22.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.650" (16.50mm)
Size / Dimension:	1.024" L x 0.295" W (26.00mm x 7.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECQ-E(F)
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	--
Tolerance:	±10%
Capacitance:	1.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, or sometimes called film dielectric capacitors, are capacitors with a dielectric material composed of thin plastic film. These capacitors have gained in popularity due to their excellent electrical characteristics, including high insulation resistance, low leakage current, and wide temperature range. Film capacitors are widely used for signal coupling and noise suppression in many applications. Among them, the ECQ-E2185KF film capacitor, manufactured by Panasonic, is one of the most popular film capacitors. This article will cover the application fields and working principle of the ECQ-E2185KF.

Application Fields

The ECQ-E2185KF capacitor is designed to be used in electronic devices and medical equipments. It is known for its superior electrical characteristics, including high insulation resistance, low leakage current, and wide temperature range, which make it ideal for these applications.The ECQ-E2185KF also has excellent heat and moisture resistance, making it well-suited for applications that require long-term reliability, such as in automotive, audio, and home appliance circuits. In addition, its very low ESR (Equivalent Series Resistance) makes it ideal for high-frequency circuits, where low output impedance is necessary.

Working Principle

The ECQ-E2185KF is a type of film capacitor, where the dielectric material is composed of a thin plastic film. This film is typically either polyester or Polypropylene, and the dielectric material gives the capacitor its electrical properties.The capacitance of the ECQ-E2185KF is determined by the thickness, surface area, and permittivity of the dielectric material, which is usually expressed in Farads (F). The ECQ-E2185KF has a voltage rating of 250 VDC, meaning that it can withstand this voltage without breaking down. The ECQ-E2185KF is a non-polarized capacitor, which means that it can be connected either way in a circuit without incident. Its high insulation resistance and low leakage current allows it to pass current to a certain degree and is the main reason why it is often used in coupling and noise suppression applications.

Conclusion

The ECQ-E2185KF film capacitor is a popular choice for many applications such as electrical devices and medical equipments. Its superior electrical characteristics, such as high insulation resistance, low leakage current, and wide temperature range, make it ideal for these uses. In addition, its high heat and moisture resistance and low ESR allow it to be used in high-frequency circuits and automotive, audio, and home appliance circuits. Furthermore, its non-polarized design allows it to be connected either way in a circuit. Overall, the ECQ-E2185KF is a highly versatile film capacitor, possessing excellent electrical properties, making it a popular choice for many applications.

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