T540D226K020CT8705

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:	22µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Tantalum polymers capacitors are devices that use a comparatively high capacitance for their size and provide a number of advantages in electronic applications. The T540D226K020CT8705 is one such device from a line of powerful tantalum polymer capacitors developed by KEMET, a leading manufacturer of electronic components. This capacitor is a snap-in type and provides a range of features and benefits tailored to different applications.The T540D226K020CT8705 is a tantalum polymer capacitor featuring a 2.2μF nominal capacitance and a 20V rated working voltage. The capacitor\'s construction uses multiple layers of conductive and semi-conductive polymers between two anodes, sandwiching the anode – the larger one being made of tantalum, and the smaller one, the "keep-out" anode, made of titanium, along with the dielectric polymer and a cathode. This construction allows the device to achieve low equivalent series resistance and high energy density. This type of capacitor is often used when superior capacitance performance is needed in a low profile form factor. Its high capacitance and high voltage operation suit it as an ideal choice for use in notebook computers, servers, and some wireless communications systems. In terms of features, the T540D226K020CT8705 comes with an expanded range of thermal and electrical performance characteristics to meet customer requirement. In addition to this, it also supports a wide operating temperature range – from -55° to +105° Celsius – and has a long shelf life.When it comes to its working principle, the biggest benefit of a tantalum polymer capacitor is that it can store and release energy within nanoseconds. This device specifically does this by efficiently converting electrical energy into an electrostatic field created by an accumulation of charges on the anode and the cathode. The electrostatic field underpins the capacitor\'s operation by allowing the device to store and release energy on demand.These capacitors offer better capacitance performance than liquid electrolytic capacitors on a single chip because their polymer construction eliminates the need for vents and sealant. This eliminates air-venting into the printed circuit board, which reduces the risk of shorts and protects against electrolyte leakage. In addition, the device\'s small form factor – which is only 16.1 x 11 mm – also helps to improve reliability as well as reduce space constraints.Tantalum polymer capacitors, such as the T540D226K020CT8705, provide several advantages over other capacitors such as high capacitance in a small form factor, superior temperature performance, low equivalent series resistance and high power density. As such, these devices are becoming increasingly popular for use in a variety of electronic devices, such as notebook computers, servers, and wireless communications equipment.

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