T520B227M2R5ASE070

Operating Temperature:	-55°C ~ 105°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Package / Case:	1411 (3528 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 105°C
Series:	KO-CAP® T520
ESR (Equivalent Series Resistance):	70 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	2.5V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum-polymer capacitors have become increasingly popular with engineers due to their combination of high capacitance and relatively low series resistance and inductance. The T520B227M2R5ASE070 is a tantalum-polymer capacitor developed by the Taiwan-based KNAC Corporation. It is a 4-pin SMD capacitor with a capacitance of 220uF, a voltage rating of 5V, and a resistance of 15 milliOhms. This capacitor is primarily used in power management systems, allowing for better current filtering, as well as providing high-frequency signal filtering over a wide range of frequencies.

The T520B227M2R5ASE070 utilizes a tantalum-polymer composite, which is encapsulated by an anodized aluminum shell. The core of the capacitor consists of fine, nanometer-scale particles of conductive polymer material imbued with a tantalum oxide film, which serves as an outer protective layer inside the shell. The combination of these materials yields a capacitor with low impedance, high capacitance, and superior dielectric properties, making it ideal for power management, and high-frequency filtering.

The operating principle of the T520B227M2R5ASE070 is simple: when current is applied, the electrodes become polarized, creating a electrical field across the capacitor. This field attracts and stores electrons, resulting in an increase in the capacity of the capacitor. As current is drawn from the device, the stored electrons are discharged, reducing the capacitance of the device. This cycle reoccurs as current is drawn and returned, allowing for the capacitor to keep a steady capacitance level over the life of the device.

The T520B227M2R5ASE070 is primarily used in power management systems, where its high capacitance and low series resistance and inductance are key benefits. Its high capacitance allows for better current filtering, preventing excessive spikes and surges and providing a steady, filtered power source to the system. Its low resistance and inductance also help in providing a clean, distortion-free path for high-frequency signals, allowing for more accurate and faster communication between components.

In addition to power management systems, the T520B227M2R5ASE070 is used in a variety of other applications. It is a common choice for medical and consumer electronics, and is ideal for radio frequency applications due to its superior filtering properties. The capacitor is also popular in automotive applications, where it is used to improve electrical system performance and reduce power consumption costs.

The T520B227M2R5ASE070 is a versatile tantalum-polymer capacitor developed by the Taiwan-based KNAC Corporation. It offers engineers a combination of high capacitance and low series resistance and inductance, resulting in improved power management and high-frequency communication performance. This capacitor is primarily used in power management systems, but has also proven to be beneficial in a variety of other applications such as automotive, consumer electronics, and radio frequency.

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