278ULR2R5MGU

Series:	ULR
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Polymer
Capacitance:	2700µF
Tolerance:	±20%
Voltage - Rated:	2.5V
ESR (Equivalent Series Resistance):	60 mOhm
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Applications:	Decoupling
Ripple Current @ Low Frequency:	283mA @ 120Hz
Ripple Current @ High Frequency:	5.66A @ 100kHz
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.394" Dia (10.00mm)
Height - Seated (Max):	0.551" (14.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Introduction to Aluminum-Polymer Capacitors

Aluminum-polymer capacitors are an innovative technology that combines the conductive aluminum foil and liquid-expanded dielectric polymer in a single device process. This type of capacitor has some unique characteristics, such as high volumetric efficiency and superior frequency stability. They are also smaller and lighter than aluminum electrolytic capacitors, making them the perfect choice for battery-powered applications. These capacitors are used in a wide range of electronic applications, such as cellular phones, digital cameras, digital watches, MP3 players, and laptop computers.

278ULR2R5MGU Application Field and Working Principle

The 278ULR2R5MGU is a small aluminum-polymer capacitor designed for use in electronic devices and systems. This capacitor is suitable for applications that require small form factor and good performance in high-frequency environments. The 278ULR2R5MGU boasts a low ESR (equivalent series resistance) of about 4.2mOhm at 1KHz, and a very high ESR of about 10mOhm at 1MHz. Its ripple current rating is 28mA (at 105°C). This makes the 278ULR2R5MGU ideal for applications that require stable, low-impedance capacitance over a broad frequency range.The 278ULR2R5MGU aluminum-polymer capacitor uses a metallized polymer film as the dielectric material. This film is deposited onto an aluminum foil substrate, forming a sandwich-type structure that is rich in charge storage capacity. The use of the polymer film in this capacitor design improves the mechanical integrity, allowing for a reduced size and a cost-effective manufacturing process.The 278ULR2R5MGU is designed for use in high frequency electronic applications. It is characterized by excellent frequency behavior, relatively high voltage ripple ratings, and low ESR. The capacitor\'s small size and light weight make it ideal for battery-powered electronic systems and portable electronic devices.

Conclusion

Aluminum-polymer capacitors are an innovative technology that offers some unique characteristics, such as high volumetric efficiency and superior frequency stability. The 278ULR2R5MGU is an example of an aluminum-polymer capacitor that is small and lightweight, making it perfect for battery-powered applications. This capacitor boasts low ESR and high voltage ripple ratings, and its small size and light weight make it a great choice for portable electronic devices. With its superior performance, the 278ULR2R5MGU is the perfect choice for high frequency electronic applications.

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