ECH-S1222JZ

Operating Temperature:	-40°C ~ 125°C
Features:	--
Ratings:	--
Applications:	High Frequency, Switching
Lead Spacing:	0.197" (5.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.335" (8.50mm)
Size / Dimension:	0.394" L x 0.177" W (10.00mm x 4.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECHS(Z)
Dielectric Material:	Polyphenylene Sulfide (PPS)
Voltage Rating - DC:	100V
Voltage Rating - AC:	--
Tolerance:	±5%
Capacitance:	2200pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film capacitors are widely used in the electronics industry due to their small size, low leakage current and high capacitance. The ECH-S1222JZ is a film capacitor produced by a leading Taiwan-based manufacturer. This article will discuss the application field and working principle of ECH-S1222JZ.The ECH-S1222JZ is a radial lead type film capacitor with a rated voltage of 250V and a capacitance of 0.22µF to 22µF. Its miniaturized structure offers excellent insertion loss and signal-to-noise ratio (SNR) performance. It is commonly used in automotive, communication, and audio and video equipment. The ECH-S1222JZ utilizes a polymer film dielectric surrounded by metalized aluminium foil electrodes. This film is rolled up and sealed in an aluminium outer shell for protection against dust and other environmental contaminants. The impregnation of the film greatly reduces the dielectric losses of the capacitor, resulting in a low equivalent series resistance (ESR).The operating principle of a capacitor is based on the storage of electric charge. When a voltage is impressed across the ECH-S1222JZ, it will store a charge equivalent to the full value of the proximate electrical field that is across it. The current flows through the capacitor at a frequency determined by that of the applied voltage. The charge on the capacitor is constant and will not be affected by changes in the applied voltage or frequency of the signal currents. When the voltage is removed, the capacitor will slowly discharge the stored charge.The ECH-S1222JZ can be used in applications where a high quality sound signal is desired. It is used in the audio industry to reduce a high frequency signal peak, as it has the ability to absorb the high frequency peak, allowing a smooth signal flow. The capacitor also effectively limits the current inrush of the circuit board, reducing the chances of damage to the equipment due to power surges. The capacitor is also becoming increasingly popular for filtering applications due to its response speed and wide range of capacitance values.In conclusion, the ECH-S1222JZ is a high quality film capacitor that is suitable for a variety of applications. Its small size, low leakage current, high capacitance and low equivalent series resistance make it an ideal choice for filtering and surge protection applications.

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