T494A475M020AT Capacitors

Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	4.7µF
Tolerance:	±20%
Voltage - Rated:	20V
Type:	Molded
ESR (Equivalent Series Resistance):	3 Ohm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	2000 Hrs @ 125°C
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Height - Seated (Max):	0.071" (1.80mm)
Lead Spacing:	--
Manufacturer Size Code:	A
Features:	General Purpose
Failure Rate:	--
Series:	T494
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--

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T494A475M020AT is a type of tantalum capacitors. They are widely used in a variety of applications, including power supplies, audio amplifiers, automotive electronics, radios, computers, and medical equipment.T494A475M020AT is an electrolytic capacitor with a tantalum pentoxide dielectric material. It is characterized by a small size, high capacitance, low Equivalent Series Resistance (ESR) and good stability. Its main application is in telecommunications and military equipment, as well as in high-reliability and high-performance computers, where its features are particularly beneficial.The working principle of T494A475M020AT is based on the two main physical components of all capacitors – an anode and a cathode. This type of capacitor has two metal plates and an electrolyte between them that forms an electric field. When a current flows through the inter-plate dielectric, a voltage is applied across the plates. This voltage creates an electric field that stores energy, allowing charge to be transferred from one plate to the other.The capacitance of T494A475M020AT is determined primarily by two factors: the size of the plates relative to each other, and the dielectric constant of the material between the plates. The bigger the plates relative to each other and the higher the dielectric constant, the higher the overall capacitance. Another important factor is the Equivalent Series Resistance (ESR), which measures the amount of power lost due to resistance in the capacitor. The lower the ESR, the better.T494A475M020AT tantalum capacitors are particularly well-suited for use in high-density and hostile environments, such as in military and aerospace applications, due to their small size, good stability, and low ESR. They are also used in medical applications due to their robust construction, as well as in audio amplifiers due to their low distortion and high performance.Overall, the T494A475M020AT is a versatile and reliable type of tantalum capacitor that offers a wide range of applications for a variety of uses. Its small size, high capacitance, low ESR and good stability make it perfect for high-reliability and hostile environments. As such, it is an ideal choice for a variety of electronic devices, including power supplies, audio amplifiers, automotive electronics, radios, computers, and medical equipment.

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