B43041A4685M

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.532" (13.50mm)
Size / Dimension:	0.394" Dia (10.00mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	70mA @ 100kHz
Ripple Current @ Low Frequency:	28mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	B43041
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	350V
Tolerance:	±20%
Capacitance:	6.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in a broad range of applications including motor control, digital infrastructure, process control, communication, audio, medical, automotive, and industrial control. These components are used in power conditioning, filtering, signal coupling, decoupling, bypassing, and storage of energy. Modern options offer a wide range of capacitance from as low as tens of picofarads up to tens of thousands of microfarads, low ESR and ESL numbers, high temperatures, and very long life cycles.

B43041A4685M Application Field and Working Principle

The B43041A4685M is a type of modern aluminum electrolytic capacitors, designed with a long life span and capacitance options up to 47μF. This capacitor is a mass-produced device, characterized by its silver-plated cases and epoxy resin, which makes it extremely resistant to shock and vibration, as well as low noise. It has a large-angle radial construction, with an extended operating temperature range of -40°C to +105°C and a maximum rated voltage of 10V. The B43041A4685M is widely used in automotive applications, where its resistance to shock and vibration is needed, as well as in low noise consumer and industrial applications. The working principle of the B43041A4685M is based on electric double layer capacitors. The capacitor\'s capacity is determined by the surface area of two metal plates, as well as the size of the insulator in between them. The structure of an aluminum electrolytic capacitor includes a rolled aluminum foil as one plate, and a flat aluminum foil as the second. The device is made of an anode and a cathode, with a gap between them which is filled by an electrolyte paste. When a voltage is applied, due to the electrolyte paste, an ionic double layer forms on the metal oxide surface that acts as the dielectric layer. This layer stores all of the electric charge, due to a combination of capacitance and electrostatic energy caused by the attraction between opposite charges. This charge can then be used when needed to generate an electric field, causing current to flow.

Conclusion

In conclusion, the B43041A4685M is an advanced type of aluminum electrolytic capacitors, designed for automotive and industrial applications due to its high temperature and shock-resistance properties. It has a large capacitance range of up to 47μF, and works on the principle of electric double layer capacitors, using an electrolyte paste to form an ionic double layer that stores electric charge. The device is characterized by its silver-plated cases and epoxy resin, making it ideal for use in harsh environments.

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