B43866A4685M

Operating Temperature:	-25°C ~ 125°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.866" (22.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	143mA @ 100kHz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	B43866
Lifetime @ Temp.:	2000 Hrs @ 125°C
ESR (Equivalent Series Resistance):	61.2 Ohm @ 120Hz
Voltage - Rated:	350V
Tolerance:	±20%
Capacitance:	6.8µF
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 an essential part of electronic circuits, and many electronic applications rely on their effective use. The B43866A4685M capacitor has been especially designed for use in many applications in consumer electronics, especially LCD televisions, and this article will discuss the applications of this type of capacitor as well as its working principle and construction.

Application Fields

The B43866A4685M is a fairly typical high-value aluminum electrolytic capacitor. The low impedance characteristic of such capacitors makes them especially useful in power supplies, DC-blocking, and signal-filtering applications. It can be used with confidence in the primary capacitance section of power supplies, for both power factor control and for ripple-filtering operations in AC/DC power supplies.Due to its high voltage rating, the B43866A4685M is typically suitable for use in LCD televisions. In this application, its ability to block DC voltage reliably and reduce AC ripple can be very useful. It can also be used in other applications requiring high ripple-filtering performance in audio amplifier power supplies.

Working Principle and Construction

The B43866A4685M utilizes the principle of electrolytic capacitance to function effectively. It consists of two aluminium plates that are separated by an insulating material, usually an oxide. This insulating layer is typically generated by an etching process. The movement of an ionic solution between the two plates causes a current to flow between them, creating an electric charge. The current is governed by the so-called thermo-electric effect.To improve the performance of this capacitor, a solid-state electrolyte is used. This solid-state electrolyte has higher capacitance and lower leakage current than the typical liquid electrolyte designs, resulting in improved reliability and longer operating life. The solid-state electrolyte also enables a lower temperature rise, as it operates at a lower voltage than typical liquid-cell designs.

Conclusion

The B43866A4685M is a versatile aluminum electrolytic capacitor that offers excellent performance in a variety of applications. Its high voltage rating and impressive low impedance characteristics make it especially suitable for use in LCD televisions and AC/DC power supplies. Furthermore, its high ripple-filtering performance makes it suitable for use in audio amplifier power supplies. Its working principle and construction, which use a solid-state electrolyte, add to its reliability, making it a reliable and dependable choice for many electronic applications.

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