UPM1E181MPD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.650" (16.50mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Impedance:	140 mOhms
Ripple Current @ High Frequency:	550mA @ 10kHz
Ripple Current @ Low Frequency:	390mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPM
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	180µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors are electronic components that store energy in a polarized electrical field. They consist of two metal plates within a sort of solid electrolyte. One of the plates is made of aluminum foil and acts as the cathode. The other plate is made of solid aluminum oxide and acts as the anode. The oxide layer serves as an insulator, while the electrolyte acts as an ionic medium, allowing charged particles to move freely within. The UPM1E181MPD is a unique aluminum electrolytic capacitor originally developed by Panasonic. In this article, we will discuss the application field and working principle of the UPM1E181MPD.

Application Field

The UPM1E181MPD is an ideal aluminum electrolytic capacitor for applications requiring low temperature capacitance and wide temperature range. Due to its small size and low capacitance, it can easily be incorporated into a wide variety of electronic designs. It can also be used in applications such as audio and video equipment, home entertainment systems, consumer electronics, digital camera and camcorder devices, GPS trackers, and automotive electronics just to name a few.The capacitor also features a high surge life, making it suitable for applications that experience heavy vibrations. This is especially true for digital audio equipment and home theater systems. Additionally, it is also resistant to acoustic noise making it suitable for musical instruments and as a signal filter in radio receivers. Moreover, due to its thin base, it is ideal for high-density PCB layouts.

Working Principle

The working principle of the UPM1E181MPD is based on the electrochemical principle of electrolysis. When a voltage is applied between the cathode and anode of the capacitor, electrolysis occurs. The electrolyte reacts with the aluminum oxide, separating it into aluminum ions and oxide ions. These ions are then attracted to the respective electrodes, creating an electric field which stores the energy as a potential difference across the capacitor.As the voltage is increased, the electric field becomes stronger, allowing the capacitor to store higher amounts of energy. Once the electricity is removed from the capacitors, the electric field dissipates and the electrolyte ions neutralize, returning the capacitor to its initial state.

Conclusion

The UPM1E181MPD is a unique and reliable aluminum electrolytic capacitor, suitable for applications requiring low temperature capacitance and wide temperature range. Its small size and low capacitance makes it perfect for high-density PCB layouts. Its unique design also makes it suitable for applications such as digital audio equipment and home theater systems. The capacitor\'s working principle is based on the electrochemical principle of electrolysis. We hope this article helped you understand the application field and working principle of the UPM1E181MPD aluminum electrolytic capacitor.

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