M551B398K015AT

Operating Temperature:	-55°C ~ 125°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):	15 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	15V
Tolerance:	±10%
Capacitance:	3900µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum - Polymer CapacitorsTantalum – polymer capacitors are capacitors made of tantalum electrodes, an electrolyte and a dielectric layer. The technique used to make the layers and the materials used in the construction of these capacitors make them highly efficient, reliable and cost-effective. This makes them very popular for use in many types of electronic applications.The construction of a tantalum – polymer capacitor is similar to that of a ceramic capacitor but with several differences. Firstly, the dielectric layer is a combination of plastic and/or rubber material and not ceramic material as in a ceramic capacitor. Secondly, the capacitor is built using a special technique that uses a number of dielectric layers and electrodes. This makes the capacitor more efficient than traditional designs, as it is able to store more charge and is more reliable.The M551B398K015AT is an example of a tantalum – polymer capacitor. It is a surface-mount capacitor, meaning that it is designed to be placed on top of a printed circuit board as opposed to being secured within a printed circuit board. This makes the capacitor highly versatile and suitable for any electronic application where a high-performance, low-cost solution is required.Its main application is in portable electronic devices such as mobile phones and tablets. Due to its small size, low-cost and high-performance capabilities, this capacitor is ideal for use in these applications. The device has a capacitance of up to 2.2 µF, a rated voltage of 6.3 V and a temperature range from -55°C to 85°C, meaning that it can remain stable even in extreme temperature conditions.The working principle of a tantalum – polymer capacitor is similar to that of any other capacitor. When a voltage is applied to the positive and negative terminals, the dielectric layer prevents the current from flowing. However, due to the nature of the dielectric material, the capacitor is able to store the charge more efficiently, resulting in a higher capacitance level. The amount of energy stored in the capacitor can be adjusted by increasing or decreasing the voltage, depending on the application the capacitor is used for.In conclusion, the tantalum – polymer capacitor is a highly efficient and reliable electronic component. Its small size, low-cost and high-performance capabilities make it highly suitable for use in many types of electronic applications. The M551B398K015AT is a prime example of this type of capacitor, with its capacitance of up to 2.2 µF, a rated voltage of 6.3 V and a temperature range from -55°C to 85°C. The working principle is similar to any other capacitor, with the dielectric layer preventing the current from flowing, but storing the charge more efficiently, resulting in a higher capacitance.

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