ESRD220M12B

Series:	ESRD
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Discontinued at Digi-Key
Moisture Sensitivity Level (MSL):	--
Type:	Polymer
Capacitance:	22µF
Tolerance:	±20%
Voltage - Rated:	12.5V
ESR (Equivalent Series Resistance):	30 mOhm
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Applications:	Bypass, Decoupling
Ripple Current @ High Frequency:	1.6A @ 100kHz
Lead Spacing:	--
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.071" (1.80mm)
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)

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Aluminum-polymer capacitors are a type of capacitor that combines the properties of polymer films and aluminum foil. This combination gives them a unique combination of capabilities, making them ideal for use in a wide range of applications. The ESRD220M12B is an example of an aluminum-polymer capacitor, and it has been specially designed to provide highly effective performance in a wide range of electronic circuits.The ESRD220M12B has a unique construction that combines the two materials it is made of, so it can offer both high capacitance and high voltage ratings. The aluminum-polymer construction also gives the capacitor a high tolerance to temperature shifts and other external influences. This means that the ESRD220M12B is well-suited to use in fluctuating environmental conditions, such as in mobile devices and other portable electronics.In terms of its applications, the ESRD220M12B is often used in power supplies where high capacitance is needed and in AC filter circuits. This is due to its ability to hold charge for longer and its high tolerance to temperature shifts. It is also used in audio circuits, for example for bass-boosting, as it is capable of much higher voltage levels and greater current handling capabilities.The ESRD220M12B works in a similar way to most other aluminum-polymer capacitors, in that it has two plates, one made of aluminum and the other made of polymer. The aluminum plate is made up of a series of individual layers, which are separated by a dielectric - the polymer film. This polymer film provides a layer of insulation between the two plates, allowing the capacitor to store charge.The dielectric also affects the capacitor’s overall efficiency and its ability to hold charge. This is because it determines the amount of charge that can be stored between the two plates, as well as the rate at which the charge is discharged. In addition, the dielectric also affects the capacitor’s ability to withstand high temperatures and other external influences.The working principle behind the ESRD220M12B is fundamentally the same as other aluminum-polymer capacitors. The electrical field created when a voltage is applied to the capacitor draws electrons from the negative plate, which are then stored on the positive plate. When the voltage is removed and the capacitor is no longer connected to a power source, the stored electrons will be dissipated and the capacitor will return to its original charge. The ESRD220M12B is an ideal choice for many electronic applications due to its combination of high capacitance, high voltage ratings, and excellent temperature stability. Its combination of aluminum and polymer layers provide a unique type of capacitor that is more robust, reliable and efficient than conventional aluminum and electrolytic capacitors. As such, it is widely used in a range of applications, from power supplies and AC filter circuits to audio circuits.

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