UPT2D821MRD

Polarization:	--
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	2.047" (52.00mm)
Size / Dimension:	0.984" Dia (25.00mm)
Lead Spacing:	0.492" (12.50mm)
Ripple Current @ High Frequency:	2.56A @ 10kHz
Ripple Current @ Low Frequency:	1.6A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPT
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	200V
Tolerance:	±20%
Capacitance:	820µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors (also known as AL-E caps) are electrical components that use layers of charged aluminum foil and a liquid electrolyte to store and regulate electricity. An AL-E cap\'s electrical characteristics are determined by the type and thickness of the aluminum foil, and the type and amount of electrolyte used. AL-E caps are usually used in high-power applications due to their large storage capabilities, low internal resistance, and cost-effectiveness.

Applications and Uses of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are used in many different industries, ranging from consumer electronics to medical equipment. They are particularly useful in high-frequency and/or high-voltage applications because of their low internal resistance and high current-handling capabilities. Common applications for AL-E caps include:

• DC-DC power supplies in computers, televisions, and other consumer electronics
• Power supplies and UPS systems in telecommunications equipment
• High voltage DC power supplies in medical equipment such as X-ray machines
• Audio amplification circuits in speakers and amplifiers
• Communication systems in aircrafts, ships, and submarines

Working Principle of UPT2D821MRD Aluminum Electrolytic Capacitors

The UPT2D821MRD aluminum electrolytic capacitor is a high voltage series that uses anodized aluminum rough coat (ARC) technology in its anode. The ARC technology provides high capacitance, low equivalent series resistance (ESR), and high surge current capabilities. The UPT2D821MRD series utilizes an ultra-thick anodized aluminum foil and an electrolyte-rich gel that is pre-manufactured and sealed in an epoxy-free aluminum casing. This ensures that the capacitor has low impedance and does not suffer from deformation or corrosion. The UPT2D821MRD series is also designed to meet various safety and environmental regulations, making it suitable for a wide range of high voltage applications.

Conclusion

Aluminum electrolytic capacitors are important electrical components that can store and regulate electricity. They are commonly used in high power applications because of their large storage capabilities and low internal resistance. The UPT2D821MRD series is an example of a high voltage AL-E cap that uses anodized aluminum rough coat (ARC) technology to provide excellent capacitance, low ESR, and high surge current capabilities. With its epoxy-free casing and compliance with various safety and environmental regulations, the UPT2D821MRD series is suitable for a wide range of high voltage applications.

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