UPW1V270MDD1TD Capacitors

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.492" (12.50mm)
Size / Dimension:	0.197" Dia (5.00mm)
Lead Spacing:	0.098" (2.50mm)
Impedance:	600 mOhms
Ripple Current @ High Frequency:	180mA @ 100kHz
Ripple Current @ Low Frequency:	54mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPW
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	27µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are types of capacitors that use an electrolyte-soaked paper or aluminum foil as the dielectric layer which is encased within a metal case. These capacitors use a polarized electrolyte between two plates which store charge in the form of a static electric field generated from a combination of the electrolyte and dielectric.Aluminum electrolytic capacitors are mostly used in low to high voltage circuits because of their low leakage current and ease of manufacture. However, their main disadvantage is that their capacitance does not remain constant over time and can result in a large amount of heat being generated when used in high voltage applications.

Application Fields of UPW1V270MDD1TD

The UPW1V270MDD1TD aluminum electrolytic capacitor is most commonly used in consumer electronic and industrial applications. This capacitor is rated at a capacitance of 270UF and a maximum operating voltage of 25V. This capacitor is typically used in applications where a high voltage, low leakage rate and low equivalent series resistance (ESR) are required. Other application fields for the UPW1V270MDD1TD capacitor include:

• Grounding of power supplies
• Filtering of AC power lines
• Noise filter for audio
• Powering of electric motors
• Welding of circuits

Working Principle of UPW1V270MDD1TD

The UPW1V270MDD1TD capacitors use the same basic principle of construction as all other aluminum electrolytic capacitors. The capacitor has a cylindrical can which contains two plates of aluminum foil separated by a thin layer of paper soaked in electrolyte.The two plates of aluminum foil are connected to two copper leads. When voltage is applied across the capacitor, the electrolyte attracts electrons and stores charge on the two plates. This charge stored on the two plates creates an electric field, resulting in an increased capacitance. Over time, the electrolyte slowly decomposes and the capacitance of the capacitor decreases.

Conclusion

The UPW1V270MDD1TD aluminum electrolytic capacitor is a reliable and cost-effective way of achieving high voltage and low leakage in a variety of consumer, industrial and automotive applications. This capacitor is typically used for applications where a high voltage is required, but it is important to keep in mind that its capacitance decreases over time due to the decomposition of the electrolyte.

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