T540D477M003AH8505

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:	±20%
Capacitance:	470µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum - Polymer Capacitors

A tantalum-polymer capacitor, sometimes referred to as a Tantalum-Polymer multilayer AVX capacitor, is a component designed to store electrical energy. It is composed of a dielectric ceramic tantalum powder covered with a polymer film, usually polyphenylene sulfide (PPS), and is manufactured using a combination of additive and subtractive process technologies (similar to those used for the manufacture of integrated circuits).The combination of tantalum and polymer film gives the capacitor the ability to store a greater charge capacity than either material alone. As a result, these capacitors are ideal for applications that require a relatively high degree of reliability, such as automotive, military and medical electronics applications.The T540D477M003AH8505 is one such capacitors. This capacitor is known for its extremely low equivalent series resistance (ESR) and high heat dissipation. Its unique combination of substrate materials allows for reduced power losses and higher breakdown voltages. For these reasons, the T540D477M003AH8505 is often specified for automotive, military and medical electronics applications, as well as various other applications where ESR and dissipation are critical.The working principle of the T540D477M003AH8505 is fairly straightforward. When a voltage is applied across its terminals, an electric field is created inside the capacitor which, in turn, causes a displacement of electric charge. This displacement of charge, in effect, stores energy inside the capacitor, which, in turn, is released when the capacitor is disconnected from the power line. This release of energy, commonly referred to as capacitor discharge, is what makes the capacitor useful in a variety of electronic applications.This capacitor is available in a variety of performance levels and is suitable for use in a wide range of temperature and humidity environments. Its low temperature coefficient, low ESR and high capacitance are the main reasons why this capacitor is preferred for automotive, military, and medical applications. Additionally, the unique combination of substrate materials gives it excellent shock, vibration, and chemical resistance characteristics. Due to its high performance and exceptional reliability, the T540D477M003AH8505 capacitor is becoming increasingly popular in applications such as high speed switching, energy storage, high-frequency pulse applications, and others. It is particularly well suited for integrated video systems and delay line components, as well as a variety of audio systems and other applications that require reliable electrical storage and discharge.Therefore, the T540D477M003AH8505 is a versatile and reliable capacitor suitable for a number of applications. Its unique combination of substrate materials provide exceptional performance, reliability, and shock and vibration resistance making it an ideal choice for a variety of electronics applications.

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