SPSX221M04R

Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.083" (2.10mm)
Surface Mount Land Size:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Mounting Type:	Surface Mount
Package / Case:	2917 (7343 Metric)
Series:	SPSX
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	Polymer
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	4V
ESR (Equivalent Series Resistance):	9 mOhm
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Applications:	General Purpose
Ripple Current @ High Frequency:	3A @ 100kHz
Lead Spacing:	--

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Aluminum - Polymer Capacitors

Aluminum - polymer capacitors (also called Al-poly Caps) are a type of electrolytic capacitor that has become increasingly popular in the electronics market. They are constructed from two layers of metalized foil separated by a plastic film, which is then impregnated with a premixed electrolyte. The capital and electrodes are connected together by an electrode plate and a special flexible plastic material. Due to their unique structure, Al-poly capacitors offer many advantages over traditional electrolytic capacitors. Most notably, they are much more robust, reliable and tolerant to shock, vibration and temperature extremes. Additionally, they are able to store more energy per unit volume than their electrolytic counterparts, making them ideal for applications that require high capacitance and power storage. Al-poly capacitors also boast higher AC and current ripple performance than other types of electrolytic capacitors. One such application is the SPSX221M04R, a large series axial aluminum-polymer capacitor produced by the Japanese manufacturer Seiko Instruments Corporation. This device is suitable for a variety of specialized applications, including power supply circuits like buck converters, switching power supplies, and inverters for power tools and electrical goods. Specifically, the SPSX221M04R offers high capacitance ratings with low ESR, making it an ideal choice for use in power supply circuits. The SPSX221M04R\'s working principle is similar to that of other types of capacitors. In this device, one of the electrodes is constructed from a thin layer of aluminum foil, while the other is formed from a thicker layer of plastic film. At the centre of the capacitor, a premixed electrolyte is used to connect the two electrodes, creating a dielectric barrier that stores energy. When a voltage is applied to the electrodes, the electrons flow through the device, creating a current. The greater the voltage across the electrodes, the more charge is stored and the higher the capacitance value.To ensure that the SPSX221M04R capacitor provides reliable performance, a number of safety features have been included in its design. The device is equipped with a temperature protection system that prevents it from overheating, as well as a humidity protection system that prevents moisture from entering the device and causing corrosion. Additionally, the device features a high-temperature reliability endurance test, which tests the device\'s performance in both low and high temperature environments. In conclusion, the SPSX221M04R is a reliable and robust aluminum-polymer capacitor that offers high capacitance ratings with low ESR. Thanks to its unique design, it is suitable for a range of specialized applications, particularly those that require high capacitance and power storage. Furthermore, the device is equipped with several safety features that ensure its reliable performance in a variety of different environments.

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