USF1A680MDD

Series:	USF
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	68µF
Tolerance:	±20%
Voltage - Rated:	10V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	80mA @ 120Hz
Ripple Current @ High Frequency:	160mA @ 100kHz
Impedance:	800 mOhms
Lead Spacing:	0.098" (2.50mm)
Size / Dimension:	0.248" Dia (6.30mm)
Height - Seated (Max):	0.315" (8.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors – USF1A680MDD Application Field and Working Principle

Aluminum electrolytic capacitors are electronic components with two metallic plates separated by an electrolyte. They are one of the most important components in the electronics industry, and their design and function differ according to their application. The USF1A680MDD is an aluminum electrolytic capacitor made by Nichicon and is used to store electrical energy; its application field and working principle are explained below.

Application Field

The USF1A680MDD aluminum electrolytic capacitor is designed for high frequency, audio and automotive applications. It utilizes a long life, high-temperature-tolerant design and features an impressive 105°C operating temperature range. Its capacitance value is 680 microfarads (µF) and it can handle a ripple current of 18 amperes (A), making it ideal for high-current applications. The USF1A680MDD is RoHS-compliant, making it environmentally friendly, and boasts a lifetime of 2000 hours at 105°C. It is also halogen-free, reducing the risk of fire hazards in applications where heat is an issue. Additionally, it achieves a low impedance for stable performance in high-frequency circuits and can help to reduce audible noise and power supply disturbances.

Working Principle

The combination of two conductive plates and an electrolyte gives the USF1A680MDD its capacitance and voltage rate characteristics, as well as its high ripple current and temperature ratings. When the capacitor is activated, an electrical field is created between the two plates and acts as a charge accumulator. The charge accumulator stores electrical current, forming an electrical field that draws electrons towards the plate charged with the opposite polarity. The electrolyte plays a vital role in this process, acting as a conductor of electrons between the plates. In addition to facilitating the flow of electrons, the electrolyte also provides insulation to prevent shorting and dielectric absorption to protect the capacitor from power supply disturbances. This allows the USF1A680MDD to operate reliably in high-temperature environments, as well as to maintain stable performance in high-frequency circuits.

Conclusion

Aluminum electrolytic capacitors such as the USF1A680MDD are an important component in the electronics industry. Its high-temperature tolerance, low impedance and long life make it ideal for high-frequency, audio and automotive applications. Its combination of two conductive plates and an electrolyte allows it to store and discharge current, providing reliable performance in high-temperature and high-frequency circuits.

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