SCM205K122H1N29-F

Operating Temperature:	-55°C ~ 70°C
Features:	--
Ratings:	--
Applications:	Snubber
Lead Spacing:	1.142" (29.00mm)
Termination:	--
Height - Seated (Max):	1.700" (43.18mm)
Size / Dimension:	2.500" L x 2.125" W (63.50mm x 53.98mm)
Package / Case:	Rectangular Box
Mounting Type:	Chassis Mount
Series:	SCM
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1200V (1.2kV)
Voltage Rating - AC:	--
Tolerance:	±10%
Capacitance:	2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Overview

Film Capacitors are one of the most widely used capacitors in electronic circuits and have a wide range of applications in many different industries. The SCM205K122H1N29-F is a film capacitor specifically designed for use in high-frequency switching power supply applications. This film capacitor has a high dielectric strength and excellent capacitance performance, making it an ideal choice for high-frequency switching power applications.

Design

The SCM205K122H1N29-F film capacitor is a surface-mount device designed for electronic circuit applications. It features a maximum capacitance of 12-2.2 uF, a working voltage of 65 VDC, and a leakage current of less than 0.03 microamperes. This film capacitor is constructed of an insulation film which acts as the dielectric material, providing high dielectric strength and excellent capacitance performance. The ends are tin-plated copper, making the capacitor highly robust and able to withstand the high frequencies common in high-frequency switching power supplies.

Application Field

The SCM205K122H1N29-F is commonly used for power line filtering, EMI (Electromagnetic Interference) suppression, switching power supplies, UPS systems, and AC motor drives. As a film capacitor, it has high reliability and excellent damping performance, making it an ideal choice for power line EMI suppression. It is also well-suited for use in UPS systems which require high-frequency capacitance since it can effectively filter out low-frequency interference and supply a reliable pulse current. In addition, its high dielectric strength and excellent capacitance performance make it ideal for use in AC motor drives which require a reliable source of power.

Working Principle

The working principle of the SCM205K122H1N29-F film capacitor is based on the properties of the dielectric material used in the construction. The dielectric material used in the film capacitor is typically polyester or polycarbonate, which has a high dielectric strength and provides excellent capacitance performance for high-frequency switching power supply applications. When a voltage is applied to the capacitor, the electric field causes the dielectric material to expand, creating a series of interleaved layers which act as the capacitance plates. The capacitance is determined by the number of layers, and the capacitance of the entire capacitor is equal to the total sum of all of the individual capacitance plates. When a pulse current is applied to the capacitor, the electrical field across the dielectric material causes it to oscillate, resulting in a capacitive current passing through the capacitor and providing a reliable source of power.

Conclusion

The SCM205K122H1N29-F film capacitor is a highly reliable and efficient capacitor specifically designed for high-frequency switching power applications. It features a high dielectric strength and excellent capacitance performance, making it well-suited for use in power line EMI suppression, UPS systems, and AC motor drives. The working principle of the capacitor is based on the properties of the dielectric material used in the construction, which causes the capacitance to increase as an electric field is applied, creating a current which can provide a reliable source of power.

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