T491B686M010AH

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):	1 Ohm
Type:	Molded
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	68µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum capacitors are widely used in the electronics industry for their robust construction and dependable performance in a variety of applications. The T491B686M010AH capacitor is a standard size, axial leaded device which uses tantalum as the dielectric and the base metal for electrical contacts. It is widely used in professional audio, automotive, telecom, military, and industrial applications.The T491B686M010AH capacitor has a voltage rating of 10V, a capacitance of 680uF, and a maximum working temperature of 85°C. It also features tolerance of ± 20%, and a rated temperature of +125°C. The operating temperature range for this capacitor is -55°C to +85°C. The device is designed for high frequency applications and is RoHS compliant.The core material of the T491B686M010AH capacitor is a solid, Ta2O5, tantalum pentoxide formed by anodic oxidation. The anodized aluminium layer is covered by a conductive polymer to provide stability and increase the current carrying capacity of the device. The capacitor is composed of two parts; the cathode and anode. The cathode is the base metal and is connected to the negative terminal of the device. The anode is composed of the tantalum pentoxide with the conductive polymer, and is connected to the positive terminal. The device has high electrical properties, such as low ESR, and stable capacitance. ESR stands for equivalent series resistance and is a measure of the resistance that is associated with the current flowing in a capacitor. Low ESR results in lower voltage drops and improved performance in high frequency applications. The stable capacitance ensures the capacitor stays within its tolerance range for the lifetime of the device.The main application field for the T491B686M010AH capacitor is high frequency switching applications, such as medical imaging equipment, oscilloscopes, RF/microwave circuits, and communications systems. The core material provides excellent thermal shock resistance, making it suitable for shock and vibration applications. The Tantalum capacitor is also used in power supplies, battery chargers, automotive electronics, and audio amplifiers.To sum up, the T491B686M010AH tantalum capacitor is a high voltage, axial leaded device with a capacitance of 680uF and voltage rating of 10V. The device is suitable for high frequency applications and provides excellent ESR and capacitance stability. It is widely used in professional audio, automotive, telecom, military, and industrial applications.

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