APXE4R0ARA101ME61G

Series:	NPCAP™-PXE
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Polymer
Capacitance:	100µF
Tolerance:	±20%
Voltage - Rated:	4V
ESR (Equivalent Series Resistance):	22 mOhm
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Applications:	General Purpose
Ripple Current @ High Frequency:	2.61A @ 100kHz
Lead Spacing:	--
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.228" (5.80mm)
Surface Mount Land Size:	0.209" L x 0.209" W (5.30mm x 5.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum-polymer capacitors, also known as hybrids, are capacitors that use an aluminum foil layer sandwiched between two layers of a dielectric polymer material. These capacitors are ideal for applications requiring high capacitance and low ESR (Equivalent Series Resistance), such as for high-frequency power supplies and decoupling, as well as for filtering or bypassing.The APXE4R0ARA101ME61G aluminum-polymer capacitor is a fully-encapsulated, radial-lead device designed for use in various applications, such as for power filtering, surge protection, and other signal or supervisory control applications. It is composed of an aluminum housing, a dielectric element, and a series of aluminum electrodes. The capacitor has a capacitance of 4.7 uF and an operating temperature range of -55°C to +125°C.The aluminum layer of an aluminum-polymer capacitor is generally composed of two layers of connected aluminum foil that serve as the two electrodes of the capacitor. The dielectric material is a non-conductive film, typically composed of a blend of polymers, such as ethylene-vinyl-acetate (EVA), polyethylene (PE), and polypropylene (PP).The working principle of an aluminum-polymer capacitor is based on the principle of electrochemical double-layer capacitance. As the aluminum foil electrodes of the capacitor become charged, the dielectric material between them forms an insulating barrier that prevents the current from flowing through the capacitor. As the current passes through the aluminum layer of the capacitor, it creates an electrical field that attracts and binds the charge carriers within the dielectric material, resulting in an electrostatic field that effectively stores the charge.The characteristics of an aluminum-polymer capacitor are determined by the combination of its construction materials and their corresponding capacitance. The dielectric strength of the material, as well as its temperature coefficients, also affect its performance. Additionally, the capacitance of the capacitor is heavily dependent on the size and shape of the electrodes, as well as the distance between them.The design of an aluminum-polymer capacitor is such that its capacitance is relatively stable over a wide temperature range. This makes them ideal for applications that require stability in the face of varying temperatures, such as for automotive and industrial applications.In comparison to other types of capacitors, aluminum-polymer capacitors are highly efficient. They feature low ESR, resulting in a higher amount of energy storage for a given size as compared to other types of capacitors. Additionally, they are capable of handling higher frequencies and voltages, making them suitable for high-frequency power supplies and decoupling, as well as other filtering or bypassing applications.Aluminum-polymer capacitors, such as the APXE4R0ARA101ME61G, are therefore ideal for applications requiring low ESR, high capacitance, and stability over a wide temperature range. They are capable of handling high frequencies and voltages, making them suitable for high-frequency power supplies, decoupling applications, filtering, and bypassing.

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