T491A335K016AS-F

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Package / Case:	1206 (3216 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	--
Series:	T491
ESR (Equivalent Series Resistance):	--
Type:	Molded
Voltage - Rated:	16V
Tolerance:	±10%
Capacitance:	3.3µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

T491A335K016AS-F capacitor is a type of electrolytic capacitor commonly used in the industry. It has two main uses in the industry, as a decoupling capacitor in power supplies and as a bypass capacitor in signal processing applications.

Power Supply Decoupling

In power supply applications, the T491A335K016AS-F capacitor is used to reduce unwanted noise, also known as ripple, from the power supply. It is an electrolytic capacitor due to its large storage capacity and thus its ability to store a large amount of charge even at higher frequencies. The capacitor is placed between the power supply output and the load and acts as a short circuit for frequencies that are higher than the capacitor’s self-resonant frequency. This results in the capacitor being able to reduce the noise in the power supply before it reaches the load and therefore provides a cleaner and more reliable power supply.

Signal Processing Bypass Capacitor

The T491A335K016AS-F capacitor is also used as a bypass capacitor in signal processing applications. The capacitor is used to reduce unwanted noise and respond to high frequency signals by giving them a low impedance path to ground. This is done by the capacitor being placed in parallel with the source of the signal and the ground. The capacitor effectively reduces the impedance across the two points, allowing current to flow to ground and achieve noise reduction. In addition, the capacitor also provides a stable source of charge which is useful in power supplies and other circuit applications.

Working Principle

The T491A335K016AS-F capacitor works on the principle of polarization. This is a phenomenon in which an electric field caused by a potential difference across the capacitor’s plates causes the electrons to move from one plate to the other, and thus create a charge separation across the plates. This charge separation, or polarization, creates an electric field which impedes the electrons from flowing from one plate to the other, and thus creating a capacitor. This process also creates a storage of charge which allows the capacitor to act as a short-circuit for high frequency signals and a low-impedance path for low frequencies.

Conclusion

The T491A335K016AS-F capacitor is a type of electrolytic capacitor mainly used in power supplies and signal processing applications. It has a large storage capacity due to its polarization effect and is used to reduce unwanted noise. In power supplies it is used as a decoupling capacitor and in signal processing applications as a bypass capacitor. It functions mainly on the principle of polarization and as such provides a low impedance path for signal frequencies and a stable charge source.

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