M550B108K050TT

Operating Temperature:	-55°C ~ 105°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.520" (13.20mm)
Size / Dimension:	2.051" L x 1.992" W (52.10mm x 50.60mm)
Package / Case:	M55 Module
Mounting Type:	Chassis Mount
Lifetime @ Temp.:	2000 Hrs @ 85°C
Series:	M55
ESR (Equivalent Series Resistance):	20 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	50V
Tolerance:	±10%
Capacitance:	1000µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Tantalum - Polymer Capacitors

Tantalum - Polymer Capacitors are a unique type of capacitor based on the chemical properties and qualities of the Tantalum and the associated polymer gel which acts as an electrolyte. They are used in a variety of applications, including those in the military and aerospace, automotive, and industrial, communications, and consumer markets. Tantalum – Polymer Capacitors possess the following four main characteristics which distinguish them from other capacitors:

• Ability to withstand high temperature environments (up to 85C) as well as low temperatures.
• High ripple current capabilities (up to twice the rated ripple current for some devices)
• Low electrical leakage currents (measured in pico-amps instead of micro-amps)
• Very small case sizes and light weight (which makes them ideal for portable applications)

The M550B108K050TT is a specific type of Tantalum-Polymer Capacitor that is manufactured by a variety of manufacturers. It is a surface-mount capacitor with a dissipation factor of 0.3 and an operational temperature range of -55 to + 85C. It is available in capacitances ranging from 1µF to 22µF and various voltage ratings.

M550B108K050TT Application Field and Working Principle

Tantalum - Polymer Capacitors like the M550B108K050TT are used in many applications within the military, aerospace, automotive, industrial, communications, and consumer markets. They are widely used for their relatively low cost, small case size, light weight and high temperature capabilities.The M550B108K050TT is ideal for use in power supplies and DC-DC converters, filtering, and buffering. It is also used in medical devices and implantable medical devices, where high temperature operations and property reliability are critical.The working principle of a Tantalum-Polymer Capacitor is based on the electrochemical properties of the Tantalum and the electrolyte. The Tantalum is a metal that has a high capacity to store charge due to its strong chemical bonds and its ability to accept and donate electrons. The electrolyte is a conductive “gel” that bridges the positive and negative electrodes of the capacitor and allows electrons to flow between them.The construction of the capacitor is further divided into two parts: the cathode and the anode. The cathode consists of a layer of Tantalum and is generally covered by a dielectric layer. The anode is composed of the polymer electrolyte. The plus and minus ends of the capacitor are distinguished by their color. The plus end is typically marked on the side of the capacitor with a black arrow, and the minus end is often marked with a red arrow.The capacitance of the M550B108K050TT is determined by the amount of charge that can be stored on the Tantalum component. When a voltage is applied to the capacitor, a charge will be stored on the Tantalum and the electrolyte layer which allows the capacitor to work by controlling the current through the device.

Conclusion

The M550B108K050TT is a type of Tantalum-Polymer Capacitor that is used in a wide variety of applications due to its small size, lightweight, low cost and high temperature capabilities. Its capacitance is determined by the amount of charge that can be stored on the Tantalum component and it works by allowing electrons to flow between the positive and negative electrodes of the capacitor, through the polymer electrolyte.

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