UPJ1A821MPD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.846" (21.50mm)
Size / Dimension:	0.394" Dia (10.00mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	110 mOhms
Ripple Current @ High Frequency:	985mA @ 10kHz
Ripple Current @ Low Frequency:	835mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPJ
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	820µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to UPJ1A821MPD

UPJ1A821MPD is a special type of aluminum electrolytic capacitors, which was initially introduced to serve as an efficient method of energy storage. This type of capacitor is able to store energy in such a way that the capacitor’s potential can be tapped into when needed, providing an electrical boost either to a circuit or to a system. As such, the UPJ1A821MPD enjoys wide use in many types of electrical and electronic applications.

Application Fields

The UPJ1A821MPD’s range of applications is wide and varied. Its most common use is for providing power supply filtering or decoupling in electronic circuits. With a voltage rating of 8V and a capacitance of 2.2uF, it is well suited to this purpose.In addition, this type of capacitor is also being used for filtering and decoupling in automotive applications, including airbag control and powertrain monitoring. Additionally, it can be used for high speed radio frequency (RF) communication systems, such as mobile phones and wireless networks. Other popular application fields for UPJ1A821MPD aluminum electrolytic capacitors include heating and air-conditioning controls, industrial equipment such as motor controllers, pulse drives, LED lighting, and the growing renewable energy sector.

Working Principle

Aluminum electrolytic capacitors contain two conducting plates that are connected either by molten sodium hydroxide (NaOH) or by a synthetic ionic liquid. The upper plate is aluminum, while the lower plate is a thin film of aluminum oxide. An electrical voltage is applied across the two plates such that a charge can be collected on the plates. This charge is then stored on the capacitor, and can be used when needed. The plates are separated by a thin plastic or paper insulator, which prevents the electrical connection between the two plates. The electrolyte is responsible for the storage of the charge, as it provides an interface between the two plates. The UPJ1A821MPD is part of a range of capacitors which offers increased safety, thanks to their usage of encapsulated electrolytes. This prevents short-circuiting or leakage and therefore increases safety and reliability.

Conclusion

UPJ1A821MPD is a type of aluminum electrolytic capacitor that has a broad range of applications. These range from providing power supply filtering and decoupling for electronic circuits, to filtering and decoupling for automotive systems, to use in high speed radio frequency (RF) communication systems. It works by creating a charge on two metal plates, which is then stored in an electrolyte and can be used when needed. Thanks to its usage of encapsulated electrolytes, the UPJ1A821MPD offers increased safety and reliability.

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