B43508A9277M000

Series:	B43508
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	270µF
Tolerance:	±20%
Voltage - Rated:	400V
ESR (Equivalent Series Resistance):	460 mOhm @ 100Hz
Lifetime @ Temp.:	3000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	1.16A @ 100Hz
Impedance:	640 mOhms
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Height - Seated (Max):	2.047" (52.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum electrolytic capacitors are ideal components for decades. They are widely used for high volatge, high capacitance applications, such as motor control circuits, motor drives, power supplies, lamp ballasts, and various power electronics. Considerable advances have been made in its technology over the years and continue to be the uncontested number one choice for almost every application.B43508A9277M000, from professional aluminum electrolytic capacitor manufacturer MuRata, is one such excellent device with superior performance, allowing to reproduce a crisp and clear sound for Hi-Fi audio systems. It is used for applications such as motor drives, power supplies, motor control circuits, and various power electronics.The design of B43508A9277M000 is based on the “gull-wing” top side shape, which allows the capacitor to fit into a lower profile circuit board. With its distinct feature of double-conical anode successively reducing the peak current thermal stress of electrolyte, this aluminum electrolytic capacitor offers superior long-term reliability and a stable dielectric strength even at high operating temperatures. Moreover, its high dielectric strength and ESR performance is exceptional, making this device ideal for high-temperature applications, such as high frequency inverters, AC adapters, and pulse power supplies.The mechanical construction of this product is so robust that it is suitable for use in any environment, especially in the ones where it is exposed to various physical pounding, such as vibration and shock loads. Moreover, its solderability and non-fluidity of the aluminum electrolyte terminate the risk of hydration, corrosion, and winding shrinkage to the capacitors.The working principle of aluminum electrolytic capacitors is based on the Faraday’s law of electrolysis. This law states that an electric current passing through an electrolyte interacts with its ions to deposit an electrolyte layer on the anode and removes the same layer on the cathode. Now, due to the difference of masses between the two plates and the electrolyte, a potential difference is formed between them. This potential difference acts as the capacitance in the capacitor; thus, the higher the potential difference, the higher the capacitance.The anode of B43508A9277M000 consists of rolled aluminium foil, treated by passivation, applied with an electrolyte, and connected to the outer terminal. Its cathode consists of a solid material, connected with the inner terminal. When an electric current is applied, an electric double layer is formed at the interface between the electrolyte and the aluminium foil. As a result, a potential difference is formed between the two electrodes, allowing the capacitor to store energy.Overall, B43508A9277M000 is a high-performance aluminum electrolytic capacitor offering superior long-term reliability and stable dielectric strength for demanding applications. Because of its robust construction and ESR performance, this device is ideal for motor drives, power supplies, motor control circuits, and various power electronics. With its key features of gull-wing top side shape and double-conical anode reducing the peak current thermal stress, B43508A9277M000 is unmatched in its application field.

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