M551B607K040AS

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):	40 mOhm @ 100kHz
Type:	Hermetically Sealed
Voltage - Rated:	40V
Tolerance:	±10%
Capacitance:	600µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum - Polymer Capacitors

Tantalum - Polymer capacitors (TPCs) are capacitors that use a combination of tantalum and polymer dielectrics to provide extremely high energy storage and long life to circuit design applications. TPCs have been around since the early 2000s and since then have become one of the most popular capacitor technologies in modern electronics.Tantalum is a base material used in the construction of TPCs due to its unique properties. It is a corrosion-resistant, high-density, highly conductive metal that is used in many industrial and military applications. Capacitance is generated between tantalum plates that are separated by a dielectric material, such as an organic polymer.The M551B607K040AS is an ideal choice for applications that need a high capacitor value with low ESR and low cost. It is a 15V rated SMT tantalum-polymer capacitor with a capacitance of 40 μF. It is designed to have a leakage current of only 0.5μA and is highly stringently tested with ISO 945-5 standards. This type of capacitor is used in a variety of electronic circuits, particularly power electronic devices, such as switching power supplies, relay controllers, and LED drivers.TPCs can be used for a variety of applications. For example, they are used for power line filtering, decoupling, and bypassing. In power line filtering, TPCs can help reduce the amount of noise present in the circuit, which can allow for more consistent operation. Decoupling helps ensure that voltage spikes and transients are filtered out. Bypassing uses the capacitor to store charge, which is then used to supply current flow in the circuit during a period of low current.TPCs offer a number of advantages over other capacitor technology, such as lower ESR, higher capacitance, longer life, and increased reliability. One of the main benefits is their ability to maintain a high energy storage capacity over their lifetime. This allows TPCs to handle higher current loads and maintain a consistent value of capacitance.The working principle of a TPC is relatively simple. As previously mentioned, two tantalum plates are separated by a dielectric material, such as a polymer. When a voltage is applied across the plates, an electric field is created which causes the capacitor plates to store a charge. This charge is then stored in the capacitor until there is a change in voltage. As the voltage is changed, the electric field shifts, causing a displacement of charge from one plate to the other, resulting in a change in the capacitance.TPCs are a highly reliable and effective capacitor technology. They are ideal for a wide range of applications, including power line filtering, decoupling, and bypassing, which can help to improve the performance of electronic circuits. The M551B607K040AS is a particularly popular choice for these types of applications due to its high storage capacity and low ESR, making it ideal for higher power applications.

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