M551B398K015AS

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 a type of polarized capacitors that are used in a wide range of electronic applications from powering microcontrollers to protecting sensitive electronic components from voltage surges. As their name implies, these specialized capacitors consist of a tantalum metal oxide layer sandwiched between two layers of a polymer material. The combination of these materials provides a dielectric with high volumetric efficiency, enabling capacitance values far greater then what is typical for standard capacitors.The M551B398K015AS is a brand of Tantalum-Polymer capacitor from Nichicon. It is a surface mount capacitor that is most commonly used in applications that require high capacitance values and low ESR (Equivalent Series Resistance). Its ESR is typically in the range of 0.04-0.1 Ω, and its capacitance ranges from 5.0µF to 1500µF. Furthermore, this type of capacitor is self-healing, meaning it can leap-frog or bypass an electrical arc if it is over-stressed.The M551B398K015AS has a range of features that make it suitable for a variety of applications. It has a maximum voltage rating of 6.3V, and a tolerance of ±20%. It also has a temperature coefficient (-15 to +80°C, rate of change of 1.0x10-4/°C) and a maximum operating temperature of 85°C. Additionally, it comes in an industry-standard size (ISO/IEC designated “K” size) that can be easily integrated with existing PCB designs.The M551B398K015AS is most commonly used in portable electronic devices such as cell phones, MP3 players, and portable game systems. It provides excellent electronic noise suppression and allows for increased miniaturization of design. Furthermore, its low inductance makes it suitable for DC/DC converters, automotive fuel pumps and motor controllers, and LCD backlight inverters.The M551B398K015AS works by storing electrical energy in the form of an electric field and releasing it when a voltage is present. The capacitor consists of two plates separated by an insulating material (dielectric) and are connected to the positive and negative terminals of an electrical circuit. When a voltage is applied across the capacitor’s plates, the quantity of electric charge is limited by the amount of surface area of the plates and the dielectric’s intrinsic electrical resistance, known as its capacitance. As the induced electric field increases, the capacitor’s electric charge and energy storage also increase until it reaches its maximum value. This process occurs very quickly and is reversed instantaneously when the capacitor is discharged, allowing the capacitor to supply a steady, constant current.The M551B398K015AS features a long-life, low ESR, and high-reliability all in a compact package. Its low ESR design provides enhanced durability, while its compact size makes it ideal for use in a variety of portable applications. Furthermore, its high reliability and long life means it will provide reliable performance even in extreme conditions. Its ability to store large amounts of energy in a fraction of the space as other capacitors makes it a popular choice for power-hungry devices. In conclusion, the M551B398K015AS from Nichicon is a popular Tantalum-Polymer capacitor with a range of features that make it suitable for a variety of applications. Its low ESR design and high volumetric efficiency make it a great choice for compact devices that require high performance and high reliability. Additionally, its wide operating temperature range makes it suitable for a range of applications from consumer electronics to automotive systems.

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