T491B475K016ATAU04

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Package / Case:	1411 (3528 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	3.5 Ohm
Type:	Molded
Voltage - Rated:	16V
Tolerance:	±10%
Capacitance:	4.7µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum CapacitorsT491B475K016ATAU04 is a type of Tantalum Capacitor, and its application field and working principle are different from other models in the same category.T491B475K016ATAU04 is an electrolytic type capacitor, and the material of electrolytic is Tantalum. Tantalum electrolytic capacitors are mainly used to replace the electrolytic mica capacitor, film capacitor and ceramic chips capacitor in the circuit.There are two main differences between the Tantalum capacitor and other capacitors. First, Tantalum capacitors have much smaller volume, and have excellent temperature characteristic, which makes it suitable for more space-relieving, narrow-space circuits. Second, Tantalum capacitor\'s dielectric is an oxide, so it doesn\'t need reformatting like other electrolytic capacitors.T491B475K016ATAU04 is mainly used in places where the quenching phenomena, the temperature of the environment is high, the performance is stable, and the reliability is relatively high. The applications of this Tantalum capacitor can be found in fields such as radar, communication, military, medical and so on.The principle of the Tantalum capacitor is very simple, when the current flow through it, a layer of oxidized film will form on the surface of the anode. This phenomenon is called "Polarization". When the applied voltage is greater than the polarization voltage, it will start to work.On the other hand, the positive charge will transfer to the negative side, at the same time, negative charge will transfer to the positive side, and the capacitance will not change. Since the current flowing the electrolyte will increase, the energy extracted from the electrolyte will keep flowing until the current drops to almost zero.The working temperature of T491B475K016ATAU04 is -55° to +125°C, and the rated voltage is 16V. This Tantalum capacitor has excellent temperature characteristics and it is able to work stably under harsh conditions. To sum up, T491B475K016ATAU04 is a type of Tantalum Capacitor, which is mainly applied in such fields as radar, communication, military, medical and so on. Its working principle is simple, that it can help steady current flow under certain temperature and voltage conditions. This makes it suitable for a wide range of applications.

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