UPW1H181MPH

Series:	UPW
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	180µF
Tolerance:	±20%
Voltage - Rated:	50V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	3000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	559mA @ 120Hz
Ripple Current @ High Frequency:	860mA @ 100kHz
Impedance:	120 mOhms
Lead Spacing:	0.138" (3.50mm)
Size / Dimension:	0.315" Dia (8.00mm)
Height - Seated (Max):	0.787" (20.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors: UPW1H181MPH Application Field and Working Principle

Aluminum Electrolytic Capacitors are great options for energy storage solutions, giving their good balance between cost, physical size and energy storage capacity. The UPW1H181MPH is one such aluminum electrolytic capacitor which is used in a wide range of applications and is particularly popular due to its small size and long life. This article will look at the specific application fields for the UPW1H181MPH and the basic working principles behind the capacitor’s operation.

Application Field of UPW1H181MPH

As a high capacitance aluminum electrolytic capacitor, the UPW1H181MPH is suitable for applications where low ripple current and high capacitance are important. Typical applications for the UPW1H181MPH capacitor include:

• SMPS filter circuits
• Electronic ballasts
• DC converter circuits
• Switching power supply filter circuits
• Noise suppression in the power supply line
• DC-DC converter control loop
• Medical devices
• Stabilizer and filter circuits
• Elecrical toy and game circuits

The UPW1H181MPH is a widely used aluminum electrolytic capacitor as it not only provides high capacitance and long-term reliability, but the small size makes it suitable for use in very tight places.

Working Principle of UPW1H181MPH

The UPW1H181MPH capacitor is based on the basic design of an aluminum electrolytic capacitor. An aluminum electrolytic capacitor consists of two main components – the anode and the cathode. The anode is a polarized metal plate which is typically made out of aluminum and is coated with a thin oxide layer. The aluminum plate is then immersed in an electrolyte. On the other side of the capacitor, the cathode is made of an electrolyte-soaked paper or an electrolyte-infused resin coated on the aluminum foil. The electrolytes create a very thin dielectric layer in between the anode and cathode, which acts as a barrier so that current cannot pass directly from one side of the capacitor to the other. When an electric field is applied between the two plates, the ions in the electrolyte migrate to the metal plate, which creates a charge on the surface of the plate. This charge is what is used to store energy in the capacitor. When the electric field is removed, the charge stored in the capacitor is held between the anode and cathode and will remain until it is drained off through the leakage current of the capacitor. This allows the capacitor to be used in a wide range of applications where energy storage is needed.

Conclusion

The UPW1H181MPH aluminum electrolytic capacitor is a great option for applications where high capacitance and low ripple current are required. Its small size makes it an ideal choice for tight spaces. The capacitor works by using the charge stored in the thin dielectric layer between the anode and the cathode, allowing it to be used in applications where energy storage is needed.

The specific data is subject to PDF, and the above content is for reference

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