187XMPL2R5MG28

Series:	XMPL
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Polymer
Capacitance:	180µF
Tolerance:	±20%
Voltage - Rated:	2.5V
ESR (Equivalent Series Resistance):	552.6 mOhm
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Applications:	Decoupling
Ripple Current @ High Frequency:	3A @ 100kHz
Lead Spacing:	--
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.118" (3.00mm)
Surface Mount Land Size:	--
Mounting Type:	Surface Mount
Package / Case:	2917 (7343 Metric)

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Aluminum - Polymer Capacitors

187XMPL2R5MG28

Aluminum-polymer capacitors are a type of capacitor that utilizes a combination of aluminum and a polymer material which is used as the dielectric in order to provide a high capacitance and long lifespan. They are ideal for applications where miniaturization and reliability are paramount, such as high frequency and switch mode power supplies, portable and battery powered electronics, as well as various automotive, military and aerospace applications.The naming convention of an aluminum-polymer capacitor usually consists of a series of alphanumeric combinations, such as “187XMPL2R5MG28” for the example being considered here. In this case, 187 stands for the capacitance and voltage ratings of the aluminum-polymer capacitor, XMPL stands for the type of material used for the terminals and case, 2R5 stands for the operating temperature ratings of the capacitor, and MG28 indicates the type of the package in which the capacitor is housed.The aluminum-polymer capacitor, being a classic hybrid capacitor, is an efficient device that utilizes both electrolytic and dielectric materials. Its components consist of two aluminum strips with a capacitance-forming polymer layer in between them, an electrolyte layer to bridge the two plates, a terminal layer made of a conductive polymer (usually graphite or carbon) to ensure the electrical contact between the components, and an outer case that serves as an electrical insulator.The construction of the aluminum - polymer capacitors can come in several varieties. The type of each component and its construction process depend on the application for which the capacitor will be used and the required parameters of the device. For example, the dielectric and electrolyte layers of higher capacitance devices are thicker than those of lower capacitance devices.The working principle of an aluminum-polymer capacitor is based on the stored electrical energy and its ability to redistribute the energy when power is applied. When an electric charge is applied to the device, the electrolyte bridges the capacitor plates and the stored electrical energy is released. The plates then attract and repel each other in alternating directions, resulting in the exchange of electrons between them and therefore the current flow through the electrolyte.The high capacitance and long lifespan of aluminum -polymer capacitors makes them ideal components for miniaturized, high-frequency, and high-reliability applications. Their high-efficiency and convenience in terms of size, weight, and cost make them increasingly popular among electronics manufacturers and engineers. The 187XMPL2R5MG28 aluminum-polymer capacitor, for example, is the perfect component for applications such as medical devices, automotive electronics, renewable energy systems, and many more.

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