SLP271M420E7P3

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.84A @ 20kHz
Ripple Current @ Low Frequency:	1.25A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	SLP
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	1.229 Ohm @ 120Hz
Voltage - Rated:	420V
Tolerance:	±20%
Capacitance:	270µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors is a type of capacitor consisting of an aluminum foil laminated with two thin layers of oxide. This kind of capacitor is available in various sizes and shapes and has a wide range of applications such as in high-power amplifiers, RF transmitting, and power supplies. The SLP271M420E7P3 is a typical example of the common types of these capacitors. The SLP271M420E7P3 aluminum electrolytic capacitor is a surface mount components, with a diameter of 3.2mm and a height of 1.4mm. It offers a maximum DC voltage rating of 63V, a rated capacitance of 470uF and a rated ripple current divided by rated capacitance of 420mA/uF. This capacitor is also capable of withstanding an operating temperature range of -55℃ to +105℃ and can provide a leakage current of less than 0.01CV (uA). This capacitor has a wide application field and is mostly used in audio amplifiers to suppress noise. It is also frequently used in power supplies, general purpose circuits, and electronic equipment where increased ripple current and low-impedance characteristics are required. The working principle of aluminum electrolytic capacitors is based upon an electrolyte, which is a combination of an aluminum foil and a unique solid-state electrolyte. The aluminum foil is usually a positive-terminal plate, and is coated so that no current leakage occurs. The electrolyte is a material with a high dissolving characteristic relative to the aluminum foil, and it forms the negative-terminal plate. The aluminum foil and electrolyte form an anode and a cathode, respectively. When a voltage is applied across the terminals of an aluminum electrolytic capacitor, the positive charge created on the aluminum foil attracts negative ions (electrons) from the electrolyte. These electrons enter the aluminum foil and their combined current forms a conductive circuit. This current flow, in combination with the capacitance of the electrolyte, creates a leakage current that recharges and maintains the aluminum foil at a constant voltage. When the voltage is reversed, the accumulated charge is removed and the capacitor is discharged. In conclusion, the SLP271M420E7P3 aluminum electrolytic capacitor is a widely used device found in many electrical and electronic devices, such as amplifiers and power supplies. Its main features are its low leakage current, its ability to withstand high ripple current and high-temperature operation, and its small size. The working principle of aluminum electrolytic capacitors is based upon an electrolyte, aluminum foil, and negative ions, which interact to create and maintain the capacitor’s charge.

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