2.5SW220M

Series:	PC-CON, SW
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	Polymer
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	2.5V
ESR (Equivalent Series Resistance):	9 mOhm
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Applications:	General Purpose
Ripple Current @ High Frequency:	3.5A @ 100kHz
Lead Spacing:	--
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.114" (2.90mm)
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 CapacitorsAluminum-Polymer capacitors are an efficient and cost-effective solution for low ESR and high ripple current applications as they offer a significantly lower ESR than other technology capacitors. A 2.5SW220M is an aluminum-polymer capacitor that is often used in power applications. This article will discuss the application field and working principle of the 2.5SW220M.The 2.5SW220M capacitor is particularly suited for switch-mode power supplies, DC/DC converter, inverter, and especially pulse applications where high ripple currents are experienced. The 2.5SW220M is a surface mount capacitor that has been designed for use in a wide range of applications. It is capable of suppressing noise in signal lines, dampening transient currents, and providing stable power supplies.In a typical switch-mode power supply application, the 2.5SW220M capacitor is used as a filter to reduce noise and voltage ripple. The device ensures smooth power delivery and increased reliability. In an inverter, the 2.5SW220M capacitor is used to reduce power losses and improve power efficiency. In a pulse application, the 2.5SW220M capacitor is used to reduce overshoot and ringing.The working principle of the 2.5SW220M capacitor is based on the electrostatic field between two conductive plates, with a dielectric material between them. The voltage provided by the power source creates an electrostatic field that induces current to flow between the plates of the capacitor. When the voltage is removed, the electrostatic field decays and the current stops flowing. This process produces a charging and discharging cycle, resulting in ripple voltage and current.The 2.5SW220M capacitor is rated in farads, which is the unit of measurement for capacitor capacity. A higher value of Farads means that the capacitor has a greater capacity to store energy, which in turn means that the higher the value of the Farads, the greater the amount of charge it can hold. It is important to note that capacitors should not be overcharged, as this could potentially cause electrical damage.The major benefit of the 2.5SW220M capacitor is its low ESR. ESR, or equivalent series resistance, is the resistance that the capacitor will experience when it is connected in a circuit. This is important as this resistance reduces the effectiveness of the capacitor and can lead to ripple voltage and current. The low ESR of the 2.5SW220M capacitor helps to reduce this ripple, making it a more effective solution for power management.In conclusion, the 2.5SW220M capacitor is an effective and efficient solution for low ESR and high ripple current applications. It is particularly suited for switch-mode power supplies, DC/DC converters, inverters, and pulse applications. The working principle of the 2.5SW220M is based on the electrostatic field between two conductive plates, with a dielectric material between them. This capacitance produces a charging and discharging cycle, resulting in ripple voltage and current. The major benefit of the 2.5SW220M capacitor is its low ESR, which helps to reduce the ripple voltage and current.

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