T540D477M2R5DH87057280

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:	Tape & Reel (TR)

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Tantalum - Polymer CapacitorsTantalum - Polymer Capacitors are a type of capacitor that has tantalum electrolyte, a polymer matrix film, and two metal electrodes. They are used extensively in consumer electronics, including handheld devices such as cell phones and tablets, for both filtering and storing of electric energy. The capacitors are packaged as integrated circuits (ICs) which range in size from 1206 to 2220 and include radial leads as well as surface mount components.The T540D477M2R5DH87057280 is a particular type of Tantalum - Polymer Capacitor. It is an SMD device with a size of 1206, and operates at a voltage of 6.3 VDC. It has a capacitance of 4.7 uF, and an ESR of 5 ohms. The RMS ripple current rating is 870 mA, and its temperature range is -55°C to +125°C.How Does it Work?The working principle of the T540D477M2R5DH87057280 is based on the electric double-layer capacitance (EDLC) of the tantalum powder used in its construction. The EDLC occurs when two separate layers of charge carriers, referred to as the “anode” and “cathode”, are separated by the tantalum electrolyte. As a voltage is applied across the two layers, charge carriers migrate towards one electrode or the other and accumulate in the form of an electric double-layer. This double-layer acts as an insulator, slowing the passage of electrical current and acting as a filter.Application FieldThe T540D477M2R5DH87057280 is ideal for use in a wide variety of applications, including power management, filtering, and trouble-shooting. It is often used in a switching power supply to store charge during its operation, allowing it to produce regulated and more consistent output voltages at higher currents. It can also be used in troubleshooting and EMI/RFI noise control, due to its ability to reduce ringing and eliminate false signals and voltage spikes. The capacitor is also used in many consumer electronics, such as cell phones, tablets, and laptops. It is used in these devices for both filtering and storing of electric energy, allowing them to run more efficiently.ConclusionTantalum - Polymer Capacitors are a highly effective and reliable storage device for use in a wide variety of applications. The T540D477M2R5DH87057280 is a particular type of capacitor that utilizes EDLC and the tantalum electrolyte to store charge and act as a filter. It is used in many consumer electronics products, as well as in power management, filtering, and troubleshooting. Its size, voltage and current ratings make it an ideal capacitor for many different applications.

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