T540D476K020AH8505

Operating Temperature:	-55°C ~ 125°C
Features:	High Reliability
Ratings:	COTS
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	0.122" (3.10mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 125°C
Series:	KO-CAP® T540
ESR (Equivalent Series Resistance):	100 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	20V
Tolerance:	±10%
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Tantalum - Polymer Capacitors

Tantalum capacitors (or "tantalum - polymer capacitors") are a type of electrolytic capacitors, specifically made with a tantalum-based anode and a polymer-based cathode. These components are widely used in the consumer electronics industry and in medical electronics, due to their excellent properties.

Applications

Tantalum - polymer capacitors have a wide range of applications. In consumer electronics and appliances, they are used as part of a DC power supply circuit, to store and buffer power temporarily, or to filter high frequency noise. In consumer electronics, they are used in audio and video equipment, computer, mobile phones and personal digital assistants (PDAs). They are also used for controlling the drive current of motors, light bulbs, and LEDs.In the medical industry, tantalum - polymer capacitors are used to provide power to medical equipment, such as heart monitors, blood pressure monitors, X-ray machines and other medical devices. These capacitors are also used in medical implants, such as pacemakers, defibrillators and hearing aids.

Working Principle

Tantalum - polymer capacitors are electrolytic capacitors, which means they are subject to the same principles as other types of electrolytic capacitors. They use a combination of a metal anode and a conductive liquid (or electrolyte) to store a charge.The anode of a tantalum - polymer capacitor is made from a layer of tantalum metal, and the cathode is made from a conductive polymer material. When voltage is applied to the capacitor, electrical charge is trapped as a result of the electric fields generated between the two electrodes. This creates an electrical charge in the capacitor, which can then be discharged when the capacitor is connected to an external circuit.

T540D476K020AH8505

The T540D476K020AH8505 is a type of tantalum-polymer capacitor. These components are particularly suitable for high-temperature applications due to their low ESR. They also have a wide operating temperature range and a long life expectancy, making them suitable for use in high-reliability applications.The T540D476K020AH8505 has a capacitance of 0.22µF, a voltage rating of 7.5V, and an operating temperature range of -55°C to +105°C. The component has a standard tolerance of ±10%, and a lifetime expectancy of 2000 hours at 85°C. As with other types of capacitors, it should be used within the specified operating conditions for best results.

Conclusion

Tantalum-polymer capacitors are highly reliable components, suitable for use in a wide range of applications. The T540D476K020AH8505 is a specific type of tantalum-polymer capacitor, which offers high temperature capability, a wide operating temperature range, and long life expectancy. As with all capacitors, it should be used within the specified operating conditions for best results.

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