T540D477M2R5DH87057610

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:	2.5V
Tolerance:	±20%
Capacitance:	470µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum - Polymer Capacitors

Tantalum-polymer capacitors, also called tantalum polymer capacitors, are in the family of electrolytic capacitors. This type of capacitor has several distinct characteristics which are attractive for use in a wide range of applications, such as in instrumentation, audio, and medical products. The T540D477M2R5DH87057610 capacitor is a common tantalum-polymer capacitors used in such electronic devices. This article will discuss the application areas of T540D477M2R5DH87057610 capacitors and its working principle.

Characteristics of T540D477M2R5DH87057610 Capacitors

T540D477M2R5DH87057610 capacitors have several unique features which make them well suited for certain applications:

• Low ESR: The equivalent series resistance (ESR) of a T540D477M2R5DH87057610 capacitor is between 0.5 and 0.10 mOhm which is quite low compared to other types of capacitors.
• High Ripple Current: One of the main advantages of using T540D477M2R5DH87057610 capacitors is their high ripple current rating. This is because the enhanced electrolyte optimization design used in the capacitors stores more energy within the same volume.
• Good Frequency Response: Another important feature of T540D477M2R5DH87057610 capacitors is their good frequency response that allows them to respond quickly to changing signal frequencies.
• High Rated Voltage: Therating of T540D477M2R5DH87057610 capacitors is between 4.5 and 10VDC. This allows them to be used in numerous applications requiring high voltage input.

Applications of T540D477M2R5DH87057610 Capacitors

T540D477M2R5DH87057610 capacitors have a wide range of potential uses. The following are some examples of applications in which they can be used.

• Power Supplies: T540D477M2R5DH87057610 capacitors can be used in power supplies and filter circuits, where their high and ultra-low ESR make them ideal for use in high-power systems.
• Audio Applications: The good frequency response and low ESR of T540D477M2R5DH87057610 capacitors make them suited for use in audio amplifiers and speaker systems.
• Medical Instruments: The capacitors are also used in medical instruments such as electrocardiography machines and defibrillators, due to their high ripple current and high rated voltage.
• Mobile Devices and Electronics: In mobile devices and other portable electronics, the small size and high-capacity of T540D477M2R5DH87057610 capacitors are ideal for use in circuit boards.

Working Principle of T540D477M2R5DH87057610 Capacitors

T540D477M2R5DH87057610 capacitors are constructed with two electrical conductors, a metal and a polymer. The electrodes of the capacitor are made of tantalum, a metal with a high capacity for electrochemical reactions. The polymeric material acts as the dielectric and is considered to be a good insulating material. When a voltage is applied across the terminals of the capacitor, electrical current flows though the metal electrode and is stored as charge on the surface of the metal. This is due to the electrochemical reaction between the metal and the polymeric material, which induces an electrical charge on the surface of the metal. This process of charge storage is what determines the capacitance of the capacitor. The capacitance of a capacitor is determined by the size of the metal and polymeric element, which increases with higher surface area. The high capacitance of T540D477M2R5DH87057610 capacitors is due to the extremely high surface area of the metal and polymeric material when compared to other types of capacitors. This is why they are able to achieve higher capacitance within a much smaller form factor.

Conclusion

T540D477M2R5DH87057610 capacitors are a type of tantalum-polymer capacitors that are used in a variety of electronic devices and applications. The capacitors are well suited for use in power supplies and filter circuits, audio amplifiers and speakers, medical instruments, and mobile devices due to their high ripple current, low ESR, good frequency response, and high rated voltage. The capacitors are constructed with two electrical conductors, a metal and a polymer, and their capacitance is determined by the electrochemical reaction between the two elements. This makes them extremely well suited for applications which require high capacitance within a small form factor.

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