UPM1K121MPD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.319" (33.50mm)
Size / Dimension:	0.394" Dia (10.00mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	180 mOhms
Ripple Current @ High Frequency:	870mA @ 10kHz
Ripple Current @ Low Frequency:	585mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPM
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	80V
Tolerance:	±20%
Capacitance:	120µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are the most common type of capacitor and play a significant role in power electronics applications. A UPM1K121MPD aluminum electrolytic capacitor is a type of electric double layer capacitor that is based on aluminum. The capacitor has a polarized design, meaning that it has a positive and negative lead that functions when a voltage is applied across it. The UPM1K121MPD aluminum electrolytic capacitor is mainly used in applications such as filtering, bypassing, decoupling, as well as peak current-limiting between DC power sources and loads.The UPM1K121MPD aluminum electrolytic capacitor is constructed using two main components, namely the anode and cathode. The anode is a highly conductive aluminum foil that is etched with a pattern of slots, which increases the surface area for increased capacitance. At the same time, the slots form a barrier that prevents any diffusion between the anode and cathode. The cathode is composed of an electrolyte mixture made of a solvent, salt and other additives. This electrolyte mixture helps in further increasing the capacitor’s capacitance value.The capacitance value of the UPM1K121MPD aluminum electrolytic capacitor is determined by its ability to store electrical energy in the form of an electric field. This electric field is created when a voltage is applied across the anode and cathode. The electric field then interacts with the electrolyte mixture, causing a chemical reaction which in turn releases positively charged ions. These ions are what cause the electrical energy to be stored in the capacitor. The capacitance value of the capacitor is directly proportional to the voltage that is applied.In terms of performance, the UPM1K121MPD aluminum electrolytic capacitor has a temperature coefficient of -55 to -68% per degree celsius. This means that the capacitance value will decrease as the temperature increases. The capacitor also has a wide operating temperature range, from -55 to 95 degrees celcius. The lifetime of the capacitor is also quite impressive, with a max expected lifetime of over 2000 hours.In conclusion, the UPM1K121MPD aluminum electrolytic capacitor is a reliable and robust component that can be used in applications such as filtering, bypassing, decoupling, as well as peak current-limiting between DC power sources and loads. The capacitor is designed with an anode and cathode, with the anodic providing a high conductivity and the cathode providing an electrolyte mixture to increase the capacitance. The performance of the capacitor is quite impressive with a temperature coefficient of -55 to -68% per degree celsius and a max expected lifetime of over 2000 hours.

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