E37F501CPN123MFM9M

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	8.661" (220.00mm)
Size / Dimension:	3.504" Dia (89.00mm)
Lead Spacing:	1.252" (31.80mm)
Ripple Current @ High Frequency:	23.124A @ 10kHz
Ripple Current @ Low Frequency:	33.5A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	U37F
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	5000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	8 mOhm @ 120Hz
Voltage - Rated:	500V
Tolerance:	±20%
Capacitance:	12000µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors

Electrolytic capacitors, or simply electrolytics, are capacitors that contain an electrolyte consisting of a liquid or gel and two metal plates separated by a liquid, gas, or pressed paper. They are generally polarized, meaning that they can only be charged in one direction. Aluminum electrolytic capacitors are made using melted aluminum, which forms an oxide layer when exposed to air, creating an insulating layer and retaining a charge even when the capacitor is disconnected from the power source.The aluminum electrolytic capacitor is composed of an aluminum electrolytic foil, a separator, and an electrolyte. The outer surface of the electrolytic foil is treated with a thick oxide layer, which acts as an insulator. This oxide layer is formed from the anodization process, which involves applying a voltage across two electrodes, allowing current to flow and creating a thin oxide layer on the aluminum foil. The oxide layer improves the capacitance of the capacitor by a factor of 10 to 100 times.The separator is typically made from paper that has been lead impregnated and coated with a thin film of wax. This allows for greater flexibility and improves the electrical performance of the capacitor by providing a improved stability and reliability. The electrolyte can be made from a variety of materials, including mineral oil, organic solvents, water, and ionic liquids.

E37F501CPN123MFM9M Application Field and Working Principle

The E37F501CPN123MFM9M aluminum electrolytic capacitor is a miniature single-layer device with a compact size and high performance capabilities. It has a capacitance range of 0.1μF to 1.0μF and is mainly used as a coupling or decoupling constant in audio, radio frequency machines, microcircuit, measuring instruments, switching equipment and AC transformers. With a wide temperature range operating between -55C to +105C and a dielectric constant of 570, the E37F501CPN123MFM9M is designed for long-term reliability with low ESR and high insulation resistance.The working principle of the E37F501CPN123MFM9M is based on the capacitor’s ability to store electrical charge. The aluminum foil and separator are the plates of the capacitor, while the electrolyte acts as an insulator, preventing current from flowing between them. When a voltage is applied across the two plates, a current is drawn from the external circuit, charging the capacitor. The charge stored in the capacitor is determined by the capacitance of the device, which can be controlled by adjusting the amount of aluminum foil and separator in the device.

Conclusion

The E37F501CPN123MFM9M aluminum electrolytic capacitor is a compact device with a wide range of operating temperatures and reliable performance. With its high capacitance range and low ESR, it is ideal for use in audio, microcircuit, and switching equipment. The working principle of the capacitor is based on its ability to store electrical charge, using the aluminum foil, separator, and electrolyte as its main components. Taking advantage of the high capacitance, low ESR, and wide temperature range of the E37F501CPN123MFM9M, engineers have been able to produce efficient devices with long term reliability.

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