B41043A4686M

Series:	B41043
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	68µF
Tolerance:	±20%
Voltage - Rated:	16V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	94.5mA @ 120Hz
Ripple Current @ High Frequency:	135mA @ 100kHz
Impedance:	500 mOhms
Lead Spacing:	0.098" (2.50mm)
Size / Dimension:	0.248" Dia (6.30mm)
Height - Seated (Max):	0.492" (12.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Introduction

Aluminum electrolytic capacitors, often abbreviated "AECs," are among the most common types of electrical capacitors in use today. They are known for their large capacitance values, small size, light weight, and long operational life. The B41043A4686M aluminum electrolytic capacitor is a typical example of an AEC. This article will explore the application field and working principle of the B41043A4686M.

Application Field

The B41043A4686M is used in many different applications, including filtering, power supply decoupling, signal coupling, energy storage, and output smoothing. It is suitable for use in DC circuits, and can operate up to 25 volts. It is designed for use in a wide range of temperatures, from -40°C to +105°C.The capacitor\'s maximum operating frequency is 1Mhz, so it should not be used in applications that require higher frequencies. It is appropriate for use in computer motherboards, power supplies, audio circuits, switching power supplies, and other applications where reliable capacitance and long operational life are desired.

Structure and Working Principle

The B41043A4686M is a non-polarized capacitor, meaning it can be inserted into a circuit in either direction. It consists of two aluminum foil electrodes separated by a paper separator soaked in an electrolytic solution. The tab leads of the capacitor are connected to the aluminum foil electrodes, and the opposite side of the capacitor has a marking indicating the polarity.When a voltage is applied across the capacitor, a static electric field is established between the two aluminum electrodes. This electric field causes an electric current to flow through the electrolyte, resulting in an accumulation of electrons on one electrode (the “anode”), and the depletion of electrons on the other electrode (the “cathode”). The resulting accumulation and depletion of charges creates a field of stored energy, or capacitance, between the electrodes. The capacitance of the B41043A4686M is 47µF ±20%.

Conclusion

The B41043A4686M is a versatile aluminum electrolytic capacitor capable of operating in a wide range of temperatures and applications. Its capacitance, stability, and long operational life make it an ideal choice for computer motherboards, power supplies, and other devices where reliable capacitance is desired. By understanding its application field and working principle, engineers and technicians can ensure they are making the most informed decision when it comes to selecting the right capacitor for their application.

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