B43254A5277M

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.395A @ 20kHz
Ripple Current @ Low Frequency:	900mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	B43254
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	270µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are commonly used in automotive, telecom, and consumer electronics applications. They are known for their reliability, long life and relatively low cost. Aluminum electrolytic capacitors are constructed of two aluminum plates (anode and cathode) separated by an electrolyte. When an electric current is applied to the capacitor, ions from the electrolyte move to the plate with the opposite charge and a capacitance is created.B43254A5277M aluminum electrolytic capacitor is one of the most popular products manufactured by Vishay Intertechnology. Its core features include high capacitance, extended life span, low ESR, low leakage current, and low temperature coefficient. The working principles of the B43254A5277M are alluded to by the acronym along with the part number ’B43254A5277M’.The ‘B4’ prefix stands for Vishay’s ‘BG Case’ series, a top-of-the-line product for high temperature operations that are smaller than traditional post-type capacitors. The ‘3254’ refers to the rated capacitance of 3254uF. The ‘A5’ indicates that this capacitor is designed to operate at a rated voltage of 250V. Lastly, the ‘277M’ signifies the operating temperature range of this device which is -55°C to +105°C.The B43254A5277M is typically used for DC link and storage or power supply smoothing in AC motor applications, such as electric vehicle powertrain systems and ventilation systems. As such, it stands out from other competitors due to its high capacitance, low ESR, low leakage current, and long life at high operating temperatures. In addition, its high ripple-current capability makes it suitable for switching power supplies and DC-DC converters where frequent voltage change and transient high current are encountered.In terms of construction, the B43254A5277M is engineered with core materials intended to meet the high performance requirements of automotive and industrial applications. The anode and cathode plates are made from a material which is capable of withstanding harsh environmental conditions including high temperature and shock. The dielectric layer is made from an electrolyte, while the case is designed to withstand high vibration levels.The working principles of the B43254A5277M are based on the principle of capacitance and charge transfer. When an electric potential is applied across the capacitor, the charges accumulate on the opposite electrodes, thus creating a difference in potential energy. As this difference in potential energy increases, the capacitance of the capacitor also increases. This makes the capacitor suitable for applications where it is necessary to store or smoothen the power supply.To ensure maximum safety and reliability, the B43254A5277M was also designed with safety features such as overvoltage protection and temperature monitoring. Combined with its long life, superior performance, and high capacitance, this makes it an outstanding choice for a variety of automotive and industrial applications.

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