M550B507K050AA

Operating Temperature:	-55°C ~ 105°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	0.453" (11.50mm)
Height - Seated (Max):	0.445" (11.30mm)
Size / Dimension:	1.906" L x 1.110" W (48.40mm x 28.20mm)
Package / Case:	M55 Module
Mounting Type:	Chassis Mount
Lifetime @ Temp.:	2000 Hrs @ 85°C
Series:	M55
ESR (Equivalent Series Resistance):	40 mOhm @ 100kHz
Type:	Hermetically Sealed
Voltage - Rated:	50V
Tolerance:	±10%
Capacitance:	500µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum-Polymer CapacitorsWhen it comes to capacitors, depending on the application and the necessary capacities, there are a range of capacitors available for engineers to choose from; one popular variety being Tantalum-Polymer capacitors. A tantalum-polymer capacitor, with its characteristic small size, high capacity and long life, is an increasingly common choice to provide power to today’s small electronic devices.This type of capacitor consists of a tantalum anode and a gel electrolyte, typically featuring a polymer cathode. The device is usually subjected to a vertical structure and the anode core and electrolyte are affixed by either laser welding or epoxy and solder paste. This connection is designed to handle high current densities and provide a highly reliable solution.One particular example of this type of capacitor is the M550B507K050AA series, which features diameter of 5 mm and a height of 7 mm. This series operates at a rated temperature of 105°C with a high ripple current of up to 2.75 A.The main components of this type of capacitor include the dielectric layer, the polymer layer and the anode single. The dielectric layer, electrodes and anode single come together to form a sandwich. This sandwich is then sealed, typically with a laser welding method, and the edges are concave. This type of manufacture allows for compact construction and improved reliability.The working principle of this type of capacitor begins with the counter-electrode. The counter electrode has a negative electrode, which is typically in contact with the anode single and passes electrons to the polymer layer. When a positive voltage is applied to the anode single, the positive charges are collected and accumulated on the positive electrode. This positive charge is then stored in the polymer layer, while the negative charge is transferred to the counter electrode. Any potential difference between the two electrodes is temporarily eliminated by the conductive polymer in the layer, thus forming a capacitor.Due to their small size and high capacity, tantalum-polymer capacitors are very useful for applications where large currents and high power densities are needed. These applications include computers, medical and automotive electronics, wireless and other communications applications, as well as instrumentation. Due to their long life, reliability and cost-efficiency, they are a popular choice for many specialized electronics applications.

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