Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.319" (33.50mm)
Size / Dimension:	0.709" Dia (18.00mm)
Lead Spacing:	0.295" (7.50mm)
Impedance:	490 mOhms
Ripple Current @ High Frequency:	1.1A @ 100kHz
Applications:	General Purpose
Ratings:	--
Series:	B43044
Operating Temperature:	--
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

B43044A9686M Application Field and Working Principle

Aluminum electrolytic capacitors, abbreviated as AECs, are widely used in a variety of applications due to their advantageous features such as wide temperature range, low impedance, long life cycle, and relatively low cost. Among them, B43044A9686M capacitors, produced by German manufacturer EPCOS, have outstanding electrical characteristics and make them one of the favorite components of consumers. This paper examines their application fields and working principles.

Application Field

B43044A9686M capacitors are often used in applications with high voltage and temperature ranges. Specifically, the characteristics of these capacitors makes them suitable for power electronics, automotive, communications equipment, and other applications. Due to their high voltage rating and low ESR, B43044A9686M capacitors are typically used in power supplies, inverters, oscillators, phase shift power supplies, and hybrid power systems. In addition, their excellent heat dissipation makes them suitable for long-term use in automotive and communications equipment.

Working Principle

B43044A9686M capacitors use an aluminum foil electrode to form a capacitor. An electrolyte is added between the two electrodes to form an electrically conductive layer. During operation, electric charges accumulate on the surface of the electrodes. This causes a voltage difference between the two electrodes, forming an electric field. The electric field then induces a current to flow between the two electrodes. This current is responsible for storing electrical energy, which is then released when the electric field dissipates.

Advantages and Disadvantages

The main advantage of B43044A9686M capacitors is their excellent electrical characteristics. They are rated to withstand high voltages and temperatures and have low equivalent series resistance. In addition, they have long life cycles, making them suitable for long-term use.The main disadvantage of these capacitors is their relatively high cost. Additionally, they require more space than other capacitors due to their larger size, which can be a limitation in some applications.

Conclusion

In conclusion, B43044A9686M capacitors are excellent components for applications that require high voltage and temperature ranges. They have excellent electrical characteristics, long lifespan, and are relatively inexpensive compared to other capacitors. However, they are more expensive than other types of capacitors and take up more space.

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