UPM1J121MPD1TD Capacitors

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.866" (22.00mm)
Size / Dimension:	0.394" Dia (10.00mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	100 mOhms
Ripple Current @ High Frequency:	820mA @ 10kHz
Ripple Current @ Low Frequency:	555mA @ 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:	63V
Tolerance:	±20%
Capacitance:	120µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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The UPM1J121MPD1TD in an aluminum electrolytic capacitor and is designed with high volumetric efficiency, long life and low ESR, allowing it to be used in a wide variety of applications with greater stability and robustness than other capacitors. In this article we will take a closer look at both its application field and working principle.Application FieldThe UPM1J121MPD1TD aluminum electrolytic capacitor is designed for a wide variety of applications, including power supplies, motor drives, audio equipment, high-frequency circuits, and high-speed logic circuits. This cap makes an ideal choice for any application requiring a large capacitance while also having low ESR and high volumetric efficiency. Its low ESR and wide operating temperature range make it suitable for load-sensing circuits, ripple filters, and DC-DC converters. Additionally, UPM1J121MPD1TD aluminum electrolytic capacitors can be used in transient voltage suppression (TVS) circuit applications.Working PrincipleUPM1J121MPD1TD aluminum electrolytic capacitors are designed using a combination of electrolyte and polarized aluminum plates held within an aluminum case, creating a structure referred to as an electrochemical double layer.Electrical charging occurs in the double layer of the capacitor due to a difference in potential between the positive aluminum plate and the electrolyte. When a voltage is applied to the electrodes of the capacitor, an electrochemical reaction occurs in the electrolyte and is responsible for the capacitance of the device.The UPM1J121MPD1TD electrolytic capacitors are also designed with a safety valve, or bursting disc, which prevents the capacitor from over-pressurizing in extreme conditions. The bursting disc is generally designed to open when the internal pressure of the capacitor reaches 10psi to 15psi, allowing the gases within the capacitor to safely release.ConclusionThe UPM1J121MPD1TD aluminum electrolytic capacitor is designed for a wide variety of applications, with high volumetric efficiency, long life, and low ESR. They make an ideal choice for any application requiring a large capacitance and low ESR. They are also designed with a safety valve to prevent over-pressurization in extreme conditions, making them highly reliable.

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