M551B507K040AH

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):	50 mOhm @ 100kHz
Type:	Hermetically Sealed
Voltage - Rated:	40V
Tolerance:	±10%
Capacitance:	500µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum - Polymer CapacitorsTantalum - polymer capacitors are one of the most useful components that are widely used in the fields of consumer electronics, automotive, telecommunications, industrial automation, medical instrumentation, and aerospace. They offer a wide range of advantages over the other types of capacitors, such as small size and large capacitance.The M551B507K040AH is a polymeric capacitor with a capacitance of 4700uF and a voltage rating of 16V. It\'s a comparatively low cost component and has a high failure rate. Despite its drawbacks, it is still mainly used for various applications due to its wide range of advantages.It can be used for:- Decoupling in the power supply line for high-power applications- Vibration control- Temperature compensation- Signal filtering- Audio amplifiers- High frequency filtering- Low-noise DC-DC converters- Surge protectionWorking PrincipleThe M551B507K040AH is composed of two anodes and two electrodes. One anode is connected to the external positive voltage source and the other anode is connected to the external negative voltage source. A dielectric layer is placed between the two anodes and it allows electrical current to travel between the two anodes while blocking the flow of a certain amount of voltage.When the voltage applied to the component exceeds its breakdown voltage, the current can no longer flow between the two anodes and the capacitor becomes an open circuit. At this point the capacitor is said to be “energized”.When the external power is turned off, the capacitor will discharge excess current stored on its plates, resulting in its return to the original state without fail. This is a reversible process, making this type of capacitor especially suitable for energy storage applications.ConclusionIn conclusion, the M551B507K040AH is a low voltage, low cost, high failure rate Tantalum- Polymer capacitor that is used for various applications such as decoupling, filtering, audio amplifiers, vibration control, and surge protection. It is composed of two anodes and two electrodes that when energized can store excess current until it returns to the original state upon discharge.

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