ERWE351LGC123MFF5M

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	6.102" (155.00mm)
Size / Dimension:	3.504" Dia (89.00mm)
Lead Spacing:	1.240" (31.50mm)
Ripple Current @ High Frequency:	31.5A @ 3kHz
Ripple Current @ Low Frequency:	22.5A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	RWE
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	350V
Tolerance:	±20%
Capacitance:	12000µF
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 known as electrolytic capacitors, are polarized capacitors that feature a larger capacitance per unit volume with a comparatively smaller size than any other types of capacitors. These capacitors are commonly used in their general-purpose form but are custom-made to create capacitors for specialized applications such as the ERWE351LGC123MFF5M.

Application Field

Aluminum electrolytic capacitors find extensive use in all kinds of electronic applications such as power supplies, audio amplifiers, mobile phones, digital cameras, etc. Specialized versions, such as the ERWE351LGC123MFF5M,are commonly used in high frequency circuits, which require very high capacitance and low impedance. They are also used in LCD TVs and monitors, as well as in automotive electronics.

Working Principle

The ERWE351LGC123MFF5M is a type of aluminum electrolytic capacitor with an anode formed of an aluminum foil encapsulated in a non-electrically conducting material, such as plastic or resin, and a cathode that is composed of an electrolyte. The aluminum foil is etched into a pattern that increases the surface area and thus increases the capacitance. The nature of the electrolyte used depends on the frequency and environment in which the capacitor is expected to be used. When the capacitor is connected to a power supply, the capacitor acquires a charge which causes a reaction in the electrolyte. This causes a separation of ions in the electrolyte which causes a build-up of electrical charge at the two capacitive electrodes. The capacitance of the capacitor is determined by the area of the electrodes and the distance between them. The capacity of the capacitors can be changed by adding another layer of foil between the anode and the cathode, which increases the capacitance, or by decreasing the distance between the electrodes, which also increases the capacitance. In addition to their increased capacitance, aluminum electrolytic capacitors offer better insulation and reliability than traditional capacitors.

Conclusion

The ERWE351LGC123MFF5M is a specialized version of aluminum electrolytic capacitors used in high frequency circuits. It features a large capacitance per volume which allows it to handle higher frequencies and currents with greater efficiency. It also offers greater insulation and reliability due to its multiple layers of foil between the anode and the cathode. As such, it is suitable for use in all types of electronic applications such as LCD TVs, monitors, and automotive electronics.

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