B43231C9157M

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.674A @ 20kHz
Ripple Current @ Low Frequency:	1.08A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	B43231
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	150µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also referred to as electrolytic capacitors, belong to a family of capacitors working in a similar principle. They are the most commonly used type of capacitors and are mainly used for providing energy requirements on temporary basis and filtering AC to DC signals. The B43231C9157M is a polypropylene film capacitor made from aluminum electrochemical capacitor, which is a device consisting of two aluminum electrodes filled with an electrolyte, usually a solution of potassium hydroxide (KOH). The two electrodes are also referred to as the anode (positive electrode) and the cathode (negative electrode). The B43231C9157M have a film/foil dielectric core, and when placed in the electrolyte, it allows a current to flow which then creates a charge across the electrodes. This charge, which can be either positive or negative, is referred to as the capacitance of the capacitor. The value of the capacitance is determined by the size of the capacitor plates, the dielectric material inside the plates, the amount of electrolyte inside the capacitor, and how closely the plates are spaced apart. The higher the capacitance, the more energy the capacitor can store.

Applications of Aluminum Electrolytic Capacitor B43231C9157M

The B43231C9157M aluminum electrolytic capacitors are used in many applications, ranging from computer and automotive electronics to sound engineering and medical equipment. When compared to other types of capacitors, this type is mainly used for its superior ability to store a large amount of energy in a small size. It is also used for its excellent noise rejection qualities due to its high capacitance. In computer and automotive applications, the B43231C9157M aluminum electrolytic capacitors are most often used to store energy such as the 12V DC voltage power from batteries, or to filter signal and remove noise. They are also used to maintain the voltage level of high-frequency switching power supplies or ripple regulators. Aluminum electrolytic capacitors are also found in medical equipment like pacemakers, where failure of these capacitors can be potentially dangerous.

Working Principle of Aluminum Electrolytic Capacitor B43231C9157M

The B43231C9157M aluminum electrolytic capacitor consists of two plates with a dielectric material sandwiched in between. When voltage is applied to the electrodes, a current of ions passes through the dielectric film and charges the capacitor. The charging of the capacitor is proportional to the capacitor’s capacitance. When the electrodes of the capacitor are charged, the dielectric material ensures that the electric field remains in its charged state even when the applied voltage is removed. This is known as static capacitance, and it allows the capacitor to store a significant amount of charge. Once the applied voltage is removed, the electrolyte continues to pass ions through the dielectric film, maintaining the static capacitance. In addition, the dielectric material also acts as a barrier between the electrodes, preventing leakage current from passing through the capacitor. This allows the capacitor to be used in various AC/DC power supplies, as it is able to store energy and discharge it in a regulated way when needed.

Conclusion

The B43231C9157M aluminum electrolytic capacitor is a popular type of capacitor due to its ability to store a large amount of energy in a small size. It is used in a wide range of applications, from computer and automotive electronics to sound engineering and medical equipment. Its capacitance is determined by the size of the capacitor plates, the dielectric material inside the plates, the amount of electrolyte inside the capacitor, and how closely the plates are spaced apart. It is capable of storing and releasing a charge in a regulated way, depending on the applied voltage, which makes it ideal for AC/DC power supplies.

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