USR1HR22MDD1TP

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.315" (8.00mm)
Size / Dimension:	0.157" Dia (4.00mm)
Lead Spacing:	0.059" (1.50mm)
Ripple Current @ High Frequency:	3.45mA @ 10kHz
Ripple Current @ Low Frequency:	2.3mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	USR
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	50V
Tolerance:	±20%
Capacitance:	0.22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Not For New Designs
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in various electronic applications due their high capacitance, temperature stability and reliability. Among them, USR1HR22MDD1TP is a kind of miniature snap-in radial leaded aluminum electrolytic capacitors with 105°C high temperature working range.

Application Field

USR1HR22 MDD1TP aluminum electrolytic capacitors are generally applied in many electronic circuits, such as in LED drivers, filtering and buffering, rectifier and alternator voltage stabilizing, filters, audio crossover networks, DC-to-DC converters, LCD TVs, notebook computers, automotive electronics, clock, amplifiers, industrial equipment and medical equipment.

Working Principle

The working behavior of aluminum electrolytic capacitors is primarily driven by the Faraday law of electrolysis. The main components of these capacitors are an anode roll made from aluminum foil and a separator soaked with an electrolytic liquid. The separator is then impregnated with a mixture of an electrolyte and other chemicals. The anode roll and separator are then spooled together and hermetically sealed in an aluminum can.When an AC voltage is applied to the capacitor, the aluminum anode roll behaves like a battery, with the anode generating electrons and the electrolyte acting as the cathode. Electrons flow from the anode to the electrolyte, causing an electric current to flow and charging the capacitor. This charging process allows the capacitor to store energy. However, when the applied voltage is too high, the capacitor may be damaged.

Conclusion

USR1HR22MDD1TP aluminum electrolytic capacitors are a type of miniature snap-in radial leaded capacitors with 105°C high temperature working range. They are widely used in many electronic circuits, LED drivers, filtering and buffering, rectifier and alternator voltage stabilizing, filters, audio crossover networks, DC-to-DC converters, LCD TVs, notebook computers, automotive electronics, clock, amplifiers, industrial equipment and medical equipment. The working behavior of aluminum electrolytic capacitors is mainly driven by the Faraday law of electrolysis. It is important to know the correct voltages of the capacitors in order to prevent damage.

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