T540D157M006CH8705WAFL

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:	±20%
Capacitance:	150µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray - Waffle

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Tantalum - Polymer Capacitors Tantalum - polymer capacitors are surface-mount capacitors which combine elements of both tantalum and polymer capacitors. These capacitors are suitable for use in demanding digital applications such as power-conversion systems, mobile devices and automotive audio & video entertainment systems. They offer superior performance and reliability in temperatures up to 125°C. This article introduces the T540D157M006CH8705WAFL application field and working principle, a particular tantalum – polymer capacitor commonly used in switch-mode power-supply circuits, audio & video applications and rechargeable battery packs.T540D157M006CH8705WAFL, with a capacitance of 15 µF, is a surface-mount, non-polarized capacitor. It has an operating voltage of 6.3 V, an operating temperature range from -55 to +125°C, a ripple current of 780 mA, a leakage of 200 uA at +125°C for 10 minutes and a capacitance tolerance of ±20%. The CAP-XX PCTube-F technology integrated into this specific type of capacitor allows for low series resistance, providing fast turn-on and low ESR. This specifically designed capacitor is AEC-Q200 qualified, ideal for battery charging as well as automotive and avionic applications, and offers high reliability, long-term stability, and fast charge-and-discharge times. T540D157M006CH8705WAFL is a hybrid combination of both tantalum and polymer capacitors, offering the advantages of both. This capacitor fuses the high capacitance values, higher operating temperature range and low equivalent series resistance (ESR) of tantalum capacitors with the low voltage requirements and low cost of polymer capacitors. Because of this, tantalum-polymer capacitors are a good choice for high power-conversion applications, as well as automotive, avionic and battery-charging applications.The working principle of this capacitor is based on the electrolytic-type capacitors. The structure of the capacitor consists of a dielectric material, such aspolymer, between two electrodes. One electrode acts as a positively-charged anode, and the other, attached to the negative terminal, acts as a cathode. When an electrical current is applied to the electrodes, an electric potential of opposite polarities is created between them and is stored in the material\'s insulating layer. This results in the formation of two capacitive plates, or conductive plates. The theory behind the working of a tantalum-polymer capacitor is that the capacitance is increased by reducing the distance between the plates. This is achieved by adding an dielectric layer around the plates, thus reducing the effective thickness of the dielectric material. This allows the capacitor to operate in both low- and high-voltage applications.Tantalum-polymer capacitors are becoming increasingly important in applications where size, reliability and cost are primary considerations. These capacitors are incredibly small and are ideal for space-restricted applications. In terms of reliability, the use of advanced technologies and materials at the fabrication level makes these capacitors to be extremely reliable and durable, capable of withstanding temperatures up to 125°C. Finally, these capacitors are cost-effective due to their high capacity for a small size and because of their reduced manufacturing process costs. In conclusion, the T540D157M006CH8705WAFL capacitor is a surface-mount non-polarized capacitor combining advantages of both tantalum and polymer capacitors. Its space-saving construction, high reliability and affordability make it perfect for applications such as switch-mode power-supply circuits, audio & video applications and rechargeable battery packs.

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