M551B127K100AH

Operating Temperature:	-55°C ~ 125°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):	60 mOhm @ 100kHz
Type:	Hermetically Sealed
Voltage - Rated:	100V
Tolerance:	±10%
Capacitance:	120µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum-polymer capacitors (TPCs) are an important type of capacitors used for many different applications, such as filtering, bypassing, decoupling, and even energy storage in micro-devices. They are a combination of two types of capacitor technology—tantalum and polymer—and offer advantages over traditional electrolytic capacitors. The M551B127K100AH is a tantalum-polymer capacitor from KEMET, a leading manufacturer of electronic components. It is a standard, low-profile 12.7 x 10 mm Surface Mount device with a capacitance of 100µF.The M551B127K100AH’s application field is quite extensive. It can be used as a decoupling capacitor in power supplies, as an input or output capacitor in switching regulators, as a bypass capacitor in radio-frequency (RF) circuits, as a smoothing capacitor in DC/DC converters, and as a reservoir capacitor in low-power logic. It is also suitable for applications in high-power conditioning, such as laptop and notebook power systems, and DC/DC or AC/DC converters.The M551B127K100AH’s working principle is based on the same principles as other capacitors. Like other capacitors, its function is to store electrical energy and release it when necessary. In the case of tantalum-polymer capacitors, it does so by forming a polarized layer between two electrodes. This polarized layer stores the energy generated from an electrical charge and discharges it when needed. The M551B127K100AH uses a dielectric of anodized tantalum pentoxide for the polarized layer, giving it the capability to store up to 15 times more energy than a conventional electrolytic capacitor.Tantalum-polymer capacitors also have several other advantages over electrolytic capacitors. First, they offer improved reliability and stability because the dielectric layer is a solid polymer, which is less prone to leakage and is far less affected by temperature changes. Secondly, they are smaller and can easily fit into confined areas. Thirdly, they have low ESR (equivalent series resistance), allowing the current flow to remain constant. Finally, they are less susceptible to electrical noise, making them ideal for filtering and bypassing.The M551B127K100AH has a wide range of features, making it suitable for a wide variety of applications. It has an operating temperature range of -55 to +85°C, a maximum of 6V, a rated voltage of 1.25V, and an ESR rating of <10mΩ. It is also compliant with the AEC-Q200 standard for automotive applications.The M551B127K100AH is an excellent choice for all kinds of applications. Its high capacitance, small size, and reliable performance make it an excellent choice for a variety of power supply, switching regulator, bypass, and decoupling applications. It is a reliable, high-performance capacitor that is sure to provide the power and performance needed for any project.

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