T540D227K006DH8705WAFL

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):	40 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±10%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray - Waffle

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Tantalum - Polymer Capacitors and the T540D227K006DH8705WAFL

Tantalum-polymer capacitors, also known as polymer electrolytic capacitors, are one type of capacitor featuring high volumetric efficiency and excellent areas of reliability and temperature stability while also offering savings in vertical space compared to other types of capacitors. This makes them well-suited to many applications and their extensive range of available sizes and parameters enable them to be used in diverse applications from consumer product designs to military projects. The T540D227K006DH8705WAFL – manufactured by Murata, is one such capacitor, a leaded tantalum-polymer capacitor coming with an ESR of 0.035Ω and a capacitance of 2.2μF – making it a versatile and ideal choice for many applications. This capacitor is available in an extended range of sizes and sizes and voltage ratings, making it suitable for both surface mount and through hole applications. ApplicationsTantalum-polymer capacitors are used in many applications requiring good thermal stability and excellent volumetric efficiency. This makes in a popular choice for use in consumer electronic applications such as consumer audio, automotive entertainment, and GPS navigation systems. The T540D227K006DH8705WAFL can also be used in a wide variety of professional and business applications due to its excellent reliability and temperature stability. Its available range of sizes make it suitable for more highly specialized applications such as industrial control systems and military and space designs. This capacitor also has a lower leakage current meaning that it is perfect as a replacement for electrolytic or tantalum capacitors in analog circuits where leakage current is critical. Working PrincipleTantalum-polymer capacitors consist of two layers of electrodes – one an anode, and one a cathode – separated by a solid electrolyte. This is typically a polymer material, although other electrolytes such as liquids or solid electrolytes can also be used. As a current is passed from the anode to the cathode, a charge accumulates on the anode and the capacitor becomes charged. When this capacitor is discharged, the current flows back in the opposite direction across the polymer electrolyte. This reverse current removes some of the charge stored on the anode, thus discharging the capacitance. This process continues until the capacitor is discharged completely – not until the power is cut off.Conclusion Tantalum-polymer capacitors are an increasingly popular choice in many applications due to their excellent combination of volumetric efficiency and temperature stability. The T540D227K006DH8705WAFL is an ideal choice for a range of applications including those needing replacement for electrolytic or tantalum capacitors in analogue designs or for highly specialized applications such as in the aerospace and military sectors. Its range of sizes makes it suitable for both surface mount and through-hole implementations, providing designers with an effective option to fulfil their needs.

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