B43252A4227M

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	2.047" (52.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.596A @ 20kHz
Ripple Current @ Low Frequency:	1.03A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	B43252
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	350V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors (AECs) are widely used in the electronics industry for storing energy. The particular model “B43252A4227M” is an axial lead aluminum electrolytic capacitor made of tantalum. It is an ultra-low-profile SMD (surface-mount device), mainly used for decoupling applications due to its low resistance and high capacitance. The capacitor is mainly used in consumer electronics such as computers, cellphones, laptop computers, tablets, and even audio amplifiers. It’s an essential part of any electronic device because it helps stabilize the supply voltage in the circuit.

Working Principle of B43252A4227M

The working principle of the B43252A4227M is simple: it stores electrical energy between conductive plates separated by an electrolyte. The positive plate is made of aluminum while the negative plate has two parts, one made of a solid conductive material such as tantalum and the other made of a porous, dielectric material such as aluminum oxide. Electric current passes from the positive plate to the negative plate and the electrolyte facilitates the flow of current. This current flow generates an electric field inside the capacitor, thus allowing the energy to be stored. This field is responsible for generating the capacitance, or the ability of the capacitor to store the electrical energy efficiently (the greater the capacitance, the more energy the capacitor can store). The B43252A4227M capacitor has a capacitance of 4.7μF and can handle up to 50V of DC voltage.

Applications of B43252A4227M

The B43252A4227M is mainly used for decoupling applications, as it can quickly store and discharge energy to reduce surges or peaking voltage. This helps protect sensitive components from damage. It is also used in high-frequency switching circuits due to its low resistance, and in LED backlight circuits as a smoothing and buffering capacitor. In addition, as it has a high inrush current capability and good temperature compensation, it is also used in applications where a high pulsed current is needed. It can be used in applications such as medical electronics, consumer electronics, instrumentation, automotive electronics, industrial electronics, home appliances, and other low-profile, high-performance applications.

Conclusion

The B43252A4227M is an ultra-low-profile SMD aluminum electrolytic capacitor made of tantalum that is mainly used for decoupling applications due to its low resistance and high capacitance. It also has other uses such as LED backlight circuits, medical electronics, and consumer electronics, due to its high inrush current capability and good temperature compensation. With its wide range of uses and applications, the B43252A4227M is an essential part of many electronic devices.

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