ECQ-E4274KF3

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.197" (5.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.760" (19.30mm)
Size / Dimension:	0.728" L x 0.256" W (18.50mm x 6.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECQ-E(F)
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	--
Tolerance:	±10%
Capacitance:	0.27µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction of Film Capacitors

Film capacitors are collections of dielectric layers with tinned wire leads or terminals connected to an insulating base or film. Film capacitors are made of a range of materials including foil, paper, and different types of plastic. They are commonly used in applications that require long-term reliable performance and stability, such as in power management circuits, power supplies, and audio-visual equipment.

Advantages of Film Capacitors

Compared to electrolytic and ceramic capacitors, film capacitors have several advantages. Film capacitors are self-healing, meaning that when the voltage exceeds the dielectric strength of the material, a small hole or arc is created which the capacitor will automatically self-heal in a relatively short period of time without fail. This feature gives film capacitors an advantage over ceramic and electrolytic capacitors, which would fail if the voltage exceeded the dielectric strength of the material.In addition to being self-healing, film capacitors offer increased stability,increased temperature-dependence, and higher transient/surge power characteristics as compared to other types of capacitors due to their construction with multiple layers of similar material, formed in sheets or tapes. Film capacitors can also provide a high level of insulation, making them suitable for use in high-voltage applications, such as motor control and AC line filtering.

ECQ-E4274KF3 Application Field and Working Principle

The ECQ-E4274KF3 is a film capacitor designed to provide high performance in a wide range of applications, from power supplies and audio-visual equipment to medical and telecommunications equipment. The ECQ-E4274KF3 offers an extremely low ESR rating of 1.4mohms, making it a great choice for high-frequency switching and power supplies.The ECQ-E4274KF3 is a non-polarized capacitor, meaning that it has no positive or negative terminals, and the voltage is evenly distributed across the capacitor. When a voltage is applied to the ECQ-E4274KF3, it creates an electric field between the two plates. This electric field creates an attractive force between the plates, which holds the charge until the voltage is removed.The ECQ-E4274KF3 is also a temperature-compensated capacitor, meaning it is designed to maintain stable performance over a wide temperature range. This feature makes it particularly useful in high-temperature environments, such as automotive and industrial applications.The ECQ-E4274KF3 has a rated capacitance of 0.0274uF, and its rated frequency range is 150kHz to 250MHz. It has a Junction-to-Case Leakage voltage of 10V, and its maximum operating voltage is 250VAC. The ECQ-E4274KF3 is also UL-approved, and is RoHS Compliant.

Conclusion

Film capacitors offer a range of advantages over ceramic and electrolytic capacitors, making them ideal for a variety of applications where performance and reliability are paramount. The ECQ-E4274KF3 is a high-performance film capacitor, designed to provide exceptional performance in high-temperature, high-frequency, and high-voltage applications. With its wide operating voltage range and excellent temperature stability, the ECQ-E4274KF3 is an excellent choice for power supplies, audio-visual equipment, and medical and telecommunications equipment.

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