| Allicdata Part #: | B41858C5277M8-ND |
| Manufacturer Part#: |
B41858C5277M8 |
| Price: | $ 0.11 |
| Product Category: | Capacitors |
| Manufacturer: | EPCOS (TDK) |
| Short Description: | CAP ALUM 270UF 20% 25V RADIAL |
| More Detail: | 270µF 25V Aluminum Electrolytic Capacitors Radial,... |
| DataSheet: |  B41858C5277M8 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 9000 +: | $ 0.09383 |
Specifications
| 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) |
| Impedance: | 113 mOhms |
| Ripple Current @ High Frequency: | 746mA @ 100kHz |
| Applications: | Automotive |
| Ratings: | -- |
| Series: | B41858 |
| Operating Temperature: | -55°C ~ 105°C |
| Lifetime @ Temp.: | 5000 Hrs @ 105°C |
| ESR (Equivalent Series Resistance): | 129 mOhm @ 10kHz |
| Voltage - Rated: | 25V |
| Tolerance: | ±20% |
| Capacitance: | 270µF |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Box (TB) |
Description
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Aluminum electrolytic capacitors are widely used in power supplies, laptop chargers and other electronic devices for a vast range of applications. One such capacitor is the B41858C5277M8, a radial leaded aluminum electrolytic capacitor produced by Siemens. This capacitor, as with most capacitors, consists of a metallized aluminum foil strip in the middle, surrounded by a dielectric electrode layer separating it from two electrolytes; one at the top and one at the bottom. The two electrolytes are completed isolating the capacitor, but act to give a low value of capacitance on the middle aluminum strip. The capacitance value of this capacitor is 330uF, and is rated for an operating voltage of 25V DC. This capacitor is an axial leaded aluminum electrolytic capacitor, which means that it is designed to be connected to a voltage source from two wires in a linear fashion.The capacitance of a capacitor is the ability to store an electrical charge, and is the measure of the amount of charge that a capacitor can hold, measured in farads. The capacitance of capacitors depends on the size of the electrode’s surface area, the dielectric constants, and the distance between the two connected electrodes. In the case of the B41858C5277M8, the capacitance is 330uF, meaning that it can store 330 microfarads of charge.The capacitance value of a capacitor is generally its greatest selling point, as the larger the capacitance value, the more charge it can store and the more voltage it can withstand. The B41858C5277M8 has a capacitance of 330uF, which is considered quite large, making it suitable for higher voltage applications such as power supplies.One of the main application fields for this capacitor is ‘ripple voltage reduction’ in power supplies. This is because the capacitor can absorb immediate changes in the voltage, reducing the intensity of the ‘ripples’ in the power supply. It can also be used as a filter to reduce electric noise or interference in the power supply, as it has a high capacitance value which can absorb a range of frequencies.The B41858C5277M8 is also used in voltage stabilization, as it can absorb the immediate changes in the voltage and store the excess charge, allowing for a more stable voltage output. This is especially useful in AC-DC power supplies, as the capacitor can reduce the large fluctuations in the voltage input, providing a more consistent output.The working principle of the aluminum electrolytic capacitor is similar to that of any other type of capacitor; the electrostatic principle. The capacitor is made up of two metal plates, and a dielectric material separating them. When a voltage source is applied to the capacitor, electrons begin to accumulate on the metal plates, forming a charge. The charge accumulates until the electrostatic field between the two plates is established, and the capacitor is said to be ‘charged’. When the capacitor is connected to a load, the charge is removed, allowing the electrons to flow and the capacitor to ‘discharge’.The capacitance of the capacitor is inversely proportional to the distance between the two metal plates. This means that the closer the plates are to one another, the higher the value of capacitance. Also, increasing the thickness of the dielectric layer between the plates will also increase the capacitance. The B41858C5277M8 has a capacitance of 330uF, meaning the distance between its metal plates and the dielectric layer is quite thin.In summary, the B41858C5277M8 is a radial leaded aluminum electrolytic capacitor produced by Siemens. This capacitor has a large capacitance of 330uF, making it suitable for power supply applications such as ripple voltage reduction, filtering, and voltage stabilization. Its working principle is based on the electrostatic principle, and its capacitance value is controlled by the distance between its two metal plates, and the thickness of the dielectric layer separating them.
The specific data is subject to PDF, and the above content is for reference
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