T491E687K006AH

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	E
Lead Spacing:	--
Height - Seated (Max):	0.150" (3.80mm)
Size / Dimension:	0.287" L x 0.236" W (7.30mm x 6.00mm)
Package / Case:	2924 (7360 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	--
Type:	Molded
Voltage - Rated:	6.3V
Tolerance:	±10%
Capacitance:	680µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors - T491E687K006AH Application Field and Working Principle

Tantalum capacitors are one of the most important components in electrical and electronic circuits. Capacitors are used to store electrical energy, in order to smooth and provide power within the circuit. They also protect the circuit from spikes and temporary overloads.The T491E687K006AH is a type of tantalum capacitor, and is one of the most common types of capacitors used. It is a low-profile, surface mounted electrical component which is suited to a wide range of applications. Its main features are that it has a high capacitance (687uF with tolerance of 10%), maximum operating voltage of 6.3 VDC, and an extremely low ESR - typically 0.3 ohms at 100kHz. The T491E687K006AH has two main application fields - signal and decoupling. In the signal applications, it is used in applications that require uniform and dependable current over a wide range of frequencies. This includes in various types of electrical filters and microphone preamplifiers, providing an even current. It can also be used in power control circuits, where it helps prevent voltage drops or spikes.In decoupling, its job is to combine the powers of a polarized capacitor and a low ESR capacitor in order to filter out noise. This helps prevent interference between signals and power components and ensures smooth operation of the electronic circuit. It is also used to guarantee a stable power supply, by filtering out any electrical noise from the power supply.The working principle of the T491E687K006AH capacitor is based on electrostatic principles. The capacitor consists of two conducting plates called ‘anode’ and ‘cathode’ separated by an insulating material called the ‘dielectric’. When a voltage is applied across the plates, an electric field builds up and causes a parallel connection between the two electrodes. This allows charge to be stored, how much charge is stored depends on the size of the capacitor. The capacitor has two main characteristics - capacitance and equivalent series resistance (ESR). The capacitance is the ability of the capacitor to store energy, and the ESR is how the capacitor dissipates energy as it charges and discharges. The T491E687K006AH capacitor has a high capacitance and a very low ESR, making it ideal for a range of applications.In conclusion, the T491E687K006AH capacitor is a type of tantalum capacitor specifically designed for a range of uses, most notably signal and decoupling applications. It has a high capacitance and low ESR, making it a great choice for these types of applications. The capacitor works on the principle of electrostatic principles, with charge stored between two electrodes separated by a dielectric material. The high capacitance and low ESR make it an ideal choice for a wide range of applications.

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