ESMR421VSN221MQ30S

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.280" (32.50mm)
Size / Dimension:	1.000" Dia (25.40mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	2.4453A @ 50kHz
Ripple Current @ Low Frequency:	1.71A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	SMR
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	420V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are widely used in modern electronics applications due to their relatively small size, high capacitance and low cost. The ESMR421VSN221MQ30S is a type of aluminum electrolytic capacitor made by Vishay Intertechnology. This capacitor is commonly used in DC-DC conversion applications where it is used to reduce switching noise and reduce ripple in the output voltage.The ESMR421VSN221MQ30S aluminum electrolytic capacitor has a capacitance of 4.7uF, a rated voltage of 25V and a maximum operating temperature of 125°C. It also has a few unique features that make it a good choice for certain applications; these include a very low equivalent series resistance and a high self-healing rate.The ESMR421VSN221MQ30S capacitor is designed to be extremely low leakage and has a very low equivalent series resistance, so it is well-suited for use in high-current applications with high switching frequency. The low Equivalent Series Resistance means that current losses are minimized and voltage spikes can be kept under control.The ESMR421VSN221MQ30S capacitor also has a high self-healing rate. This means that if the capacitor develops a short-circuit, it is able to repair itself quickly and efficiently, so it will not cause any damage or reduce the life of the capacitor.The working principle of the ESMR421VSN221MQ30S aluminum electrolytic capacitor is based on an electrolyte, typically a liquid or gel, that forms an electrolytic connection between two metal plates. One plate is the anode (positive terminal) and is made from aluminum, while the other plate is the cathode (negative terminal) and is typically made from a titanium alloy.The electrolytic liquid or gel, which is the electrolyte, allows electric current to flow between the two plates by dissolving certain positively charged ions, such as sodium and potassium, in the electrolyte and pulling them towards the negative terminal. This causes electrons to flow from the anode to the cathode, forming electric current.The ESMR421VSN221MQ30S aluminum electrolytic capacitor is designed to be used in various types of DC-DC power conversion systems, such as switch-mode power converters and switched capacitor circuits, as well as in high-frequency converters. It is also often used in power management circuits in electronic equipment, such as computers and mobile phones, as it can help to reduce electromagnetic interference.The ESMR421VSN221MQ30S capacitor is a reliable and cost-effective solution for many applications, including those that require high-current operation or high switching frequency. Its features, including a low equivalent series resistance and high self-healing rate, make it a good choice for many applications, and its reliability and cost-effectiveness make it the perfect solution for many DC-DC conversion systems.

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