T540B157K003AH8510

Operating Temperature:	-55°C ~ 125°C
Features:	High Reliability
Ratings:	COTS
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 @ 125°C
Series:	KO-CAP® T540
ESR (Equivalent Series Resistance):	80 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	3V
Tolerance:	±10%
Capacitance:	150µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to Tantalum-Polymer Capacitors

Tantalum-polymer capacitors are one the latest technology in electrolytic capacitors. A tantalum-polymer capacitor consists of a tantalum anode and a polyaniline-based polymer electrolyte for the cathode. They provide higher capacitance as compared to other electrolytic capacitors, more stable performance, efficient operation, and provide higher current densities. Furthermore, they are easy to mount due to their SMD package, and they are relatively smaller in size. As a result, tantalum-polymer capacitors provide an efficient power solution.

T540B157K003AH8510

The T540B157K003AH8510 is a 3V, 4.7uF Tantalum-Polymer capacitor. It is a two-terminal chip capacitor with a surface mount package, which makes it easy to be mounted on a PCB. The T540B157K003AH8510 capacitor is designed for use in high-speed power supply applications, as well as for other high frequency DC links. It is polarized, so it needs to be included in proper circuit design to prevent any damage.

Application Field

The T540B157K003AH8510 is ideal for use in high speed power supply applications. This includes high frequency data converters, digital power supplies, and server power systems. Furthermore, the capacitor can be used in power line coupling, high frequency filtering, and high-frequency DC links. The capacitor is also tested for its self-healing capacity, so it works well in circuits with low voltage components.

Working Principle

The working principle of the T540B157K003AH8510 is relatively simple. It works on the principle of electrolytic capacitance, which is the ability of a dielectric material to store electrical energy between its two electrodes. The depletion layer around the anode and the build-up of electric field between the two electrodes generates a high capacitance that is used for storing energy.In the T540B157K003AH8510 capacitor, the anode is made of a tantalum material and the cathode is a polyaniline-based liquid electrolyte. This provides a higher capacitance and more stable performance as compared to conventional electrolytic capacitors. The capacitor also promotes self-healing, which means that if it gets shorted, the liquid electrolyte will self-heal and the capacitor will not be damaged.

Conclusion

The T540B157K003AH8510 is part of the tantalum-polymer capacitor family, which is the latest technology in electrolytic capacitors. It has a 3V rating and 4.7uF capacitance, making it suitable for use in high frequency power supply and other applications. Furthermore, it is designed for easy mounting and provides high current densities. The capacitor works on the principle of electrolytic capacitance and can recover from a short circuit, which makes it a reliable capacitance solution for power supply applications.

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