ECW-H12912HV

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	High Frequency, Switching
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.630" (16.00mm)
Size / Dimension:	0.709" L x 0.295" W (18.00mm x 7.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECW-H(V)
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1250V (1.25kV)
Voltage Rating - AC:	--
Tolerance:	±3%
Capacitance:	9100pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

A film capacitor is an electronic component, which stores electrical energy in an electric field. It can store energy for a long time and also rapidly discharge. The ECW-H12912HV is a film capacitor ideal for use in high voltage applications.

Construction and Operation

The ECW-H12912HV film capacitor consists of a non-conductive film-polymer dielectric. This dielectric has two metallic electrodes on its opposite sides, which act as electrical plates. The metallic electrodes are usually made of aluminum foil, while the dielectric material is typically made of polypropylene or polycarbonate. When a voltage is applied between the plates, electrical charges collect on each of them. The dielectric layer prevents the plates from touching and will not allow current to flow. This in turn, prevents the capacitor from short-circuiting. The energy stored in the dielectric field is released as the voltage is removed.

Application Field

The ECW-H12912HV is a very reliable capacitor, which makes it popular for use in many fields. These applications include:- High voltage DC/AC power supplies - Telecommunications- High voltage inverters- Variable frequency drives- DC-DC converters- DC-AC converters- Electronic ballasts- Flash discharge applications- Surge protectors

Working Principle

The working principle of the ECW-H12912HV film capacitor is relatively simple. When high voltage is applied between the two electrical plates, an electric field builds up in the dielectric material, which separates the plates. This electric field increases the level of energy stored in the capacitor.When the energy stored in the capacitor is required, the flow of the electric field is reversed and the capacitor releases its energy. The energy released by the capacitor will be determined by the capacitor\'s plate area and the capability of the dielectric layer.

Conclusion

The ECW-H12912HV is a robust film capacitor, which has many applications in the fields of high voltage DC/AC power supplies, telecommunications, variable frequency drives, DC-DC converters, DC-AC converters, electronic ballasts, flash discharge applications, and surge protectors. The working principle of the ECW-H12912HV is based on the storage of electrical energy in an electric field, which is released when the energy is required.

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