T540D477K003BH8705

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:	3V
Tolerance:	±10%
Capacitance:	470µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction:

T540D477k003BH8705 is a tantalum polymer capacitor manufactured by AVX Corporation. It is designed to provide excellent frequency response, lower ESR and ESL, low leakage current and higher capacitance values. This type of capacitor has a wide range of applications, primarily in the field of electronic circuits and in telecommunications systems. The T540D477k003BH8705, an electrolytic polarized capacitor, was designed using a special proprietary Polymer dielectric offering excellent temperature stability, high frequency tolerance and long life.

Application Field:

Tantalum Polymer Capacitors are widely used in many different applications. They can be found in mobile phones, computers, digital cameras, medical devices, aerospace applications and in a variety of other industries. Mobile phones use them for power holdup and synchronization, computers for memory back up and for low ESR buffering, digital cameras for flash and display back lighting, medical applications for power holdup and conditioning, and aerospace applications for high temperature operation. In each application, the T540D477k003BH8705 Electrolytic Polarized Capacitors offer superior performance and reliability.

Characteristics:

The T540D477k003BH8705 Polymer Capacitor is particularly well-suited for use in devices that require a high level of accuracy. It is capable of providing excellent frequency response, low ESR and ESL, high temperature operation and long life. Furthermore, the T540D477k003BH8705 Capacitor provides excellent power holdup under extended temperature conditions, up to 105°C.

Principle of Operation:

The T540D477k003BH8705 Capacitor utilizes an electrolytic polarized design and consists of a series of alternating layers of insulating and conducting materials. The two metals used in the construction of the capacitor are called the anode and the cathode. The anode is typically made of either pure tantalum or one of the tantalum alloys such as TaN, TaO or TaC. The cathode is usually formed from strontium titanate, tantalum or titanium nitride. When the applied voltage reaches a certain level, electrons collect on the anode and a current is allowed to flow through the device, storing and releasing the charged particles in an alternating pattern.

Benefits:

The T540D477k003BH8705 Capacitor offers many unique advantages for a wide range of applications. It offers an excellent operating temperature range, allowing it to be used in a variety of applications and temperatures. Additionally, its unique construction allows for low ESR and ESL, excellent frequency response and long life. Furthermore, its high capacitance rating and power holdup under extreme temperatures make it an attractive option for many applications.

Conclusion:

The T540D477k003BH8705 Polymer Capacitor is an excellent choice for a variety of electronic and telecommunications applications requiring high accuracy and reliability. It offers excellent frequency response and low leakage current, as well as a wide temperature operating range and long life. Furthermore, its low ESR and ESL, and its ability to provide power holdup under extreme conditions make it an attractive solution for many electronic and telecommunications applications.

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