127XMPL6R3MG19X

Lifetime @ Temp.:	1000 Hrs @ 105°C
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Surface Mount Land Size:	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Lead Spacing:	--
Ripple Current @ High Frequency:	2.7A @ 100kHz
Applications:	Decoupling
Ratings:	--
Operating Temperature:	-40°C ~ 105°C
Series:	XMPL
ESR (Equivalent Series Resistance):	828.9 mOhm
Voltage - Rated:	6.3V
Tolerance:	±20%
Capacitance:	120µF
Type:	Polymer
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum - Polymer Capacitors

Aluminum - Polymer capacitors are widely used in electronic applications in various industries of communications, aerospace, defense, automotive, industrial and medical. They are composed of a conductive aluminum foil in the form of a capacitor core, and then covered with a non-conductive material, either a dielectric film or polymer. This combination produces an electrical field that stores energy when a voltage is applied.

Application Field

Aluminum - Polymer capacitors are widely used in many different areas, from low power cellular systems to high-speed, high-current applications in aerospace, defense, and medical applications. They are often found in portable and mobile devices or systems, due to their small size and low profile. They can be used in nearly every type of electronic device, including smartphones, tablets, TV displays and medical devices. Aluminum - polymer capacitors are also used in electric motor control, DC motor drive systems and solar inverters. Additionally, they can be used as replacement parts in recent automotive applications. Automotive aluminum polymer capacitors have the advantage of being highly temperature stable. This means that the capacitance does not significantly change with temperature, ensuring a stable and reliable operation for any application.

Principle of Operation

Aluminum - Polymer capacitors operate using electrostatic principles. When a voltage is applied, the poles of the capacitor are connected to positive and negative charges on the core which attract particles from the dielectric material. These particles form a barrier between the poles, resulting in an increase of capacitance in the circuit. The dielectric material itself usually consists of polyethylene, polypropylene, polytetrafluoroethylene (PTFE), or polyethylene terephthalate. These materials have a very high dielectric constant, making them ideal for use in other electronic components. A high dielectric constant makes it easier for the capacitor to store energy and allows the capacitance to be increased. The capacitor\'s capacitance can also be affected by the thickness of the dielectric material, as well as its temperature stability. The capacitance of the capacitor can be easily controlled by adjusting the voltage. This allows for very precise adjustment and is important for a wide variety of applications.

Advantages

Aside from their small size, low profile, and high temperature stability, aluminum - polymer capacitors offer several advantages over other types of capacitors. These include a wide voltage range, high dielectric constants, low series resistance, and low leakage current. Aluminum - polymer capacitors also have an extended use temperature range and possess greater mechanical stability than other types of capacitors, resulting in a longer working life. Additionally, they require less energy to charge than other types, resulting in lower energy consumption.

Disadvantages

Aluminum - polymer capacitors are not without their own disadvantages. The materials used to make aluminum - polymer capacitors are generally costlier than other capacitor types. Additionally, due to their significantly higher dielectric constant, aluminum - polymer capacitors must be placed in a balanced circuit in order to avoid significant capacitive losses.

Conclusion

Aluminum - polymer capacitors are increasingly becoming the capacitor type of choice due to their extended temperature range and mechanical stability. Their small size and high dielectric constant make them ideal for many prototype applications. Despite their higher costs, aluminum - polymer capacitors are highly reliable and long-lasting.

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