ECQ-V1274JM

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.295" (7.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.394" (10.00mm)
Size / Dimension:	0.402" L x 0.165" W (10.20mm x 4.20mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECQ-V
Dielectric Material:	Polyester, Metallized - Stacked
Voltage Rating - DC:	100V
Voltage Rating - AC:	--
Tolerance:	±5%
Capacitance:	0.27µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction of Film Capacitors

Film capacitors are capacitors, which use thin plastic films as the dielectric substrate. The thin plastic film is usually polyethylene terephthalate (PET), and other plastic films such as polypropylene (PP) and polystyrene (PS) are sometimes used as well. A thin aluminum film is applied to one side of the plastic film and a tin- lead alloy is applied to the other side. The two aluminum-tin layers form the plates of the capacitor.The advantages of film capacitors are their high stability, low leakage current, high dielectric strength, and low dielectric loss. They are widely used in many industries, including medical, automotive, audio, military, aerospace, telecommunications, instrumentation, and consumer electrical appliances.

ECQ-V1274JM application field and working principle

ECQ-V1274JM is a highly reliable, low leakage, and low cost film capacitor. This capacitor has a maximum capacitance of 127pF and voltage rating of 250VAC. The ECQ-V1274JM is usually used in high-frequency and high-voltage circuits, such as power supplies, audio preamplifiers, oscillators, frequency dividers, couplers, and filter circuits. The working principle of the capacitor is the same as that of all other capacitors. When a voltage is applied to the two plates of the capacitor, electrons are induced around the negative plate and toward the positive plate, forming an electric field between the two plates. The size of the electric field depends on the size of the voltage. When the voltage is removed, the electric field collapses and the capacitor returns to its original state. ECQ-V1274JM is a non-polarized film capacitor, which means that the capacitor is not affected by the polarity of the applied voltage. The capacitor is also resistant to heat, making it suitable for use in high temperature applications. In addition, it has a wide range of operating temperature range, making it suitable for use in extreme temperature environments.The ECQ-V1274JM is also RFI (radio frequency interference) resistant. This is because the dielectric material, such as polyethylene terephthalate (PET), effectively absorbs and dissipates the RF energy, reducing it to harmless levels. This is especially important in sensitive audio and radio circuits.Finally, the ECQ-V1274JM also has high dielectric strength and low dissipation factor. This means that the capacitor can handle higher voltages and frequencies with minimal losses.

Conclusion

Film capacitors are widely used in many industries due to their high stability, low leakage current, high dielectric strength, and low dielectric loss. ECQ-V1274JM is a highly reliable, low leakage, low cost film capacitor with a maximum capacitance of 127pF and voltage rating of 250VAC. It is usually used in high-frequency and high-voltage circuits, such as power supplies, audio preamplifiers, oscillators, frequency dividers, couplers, and filter circuits. Additionally, the capacitor is non-polarized, heat-resistant, and RFI-resistant, making it suitable for many applications.

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