T495E477M010ATE040

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
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
Lifetime @ Temp.:	2000 Hrs @ 125°C
Series:	T495
ESR (Equivalent Series Resistance):	40 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	470µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are widely used in a range of electronic devices. They are a type of electrolytic capacitor, featuring an anode made of tantalum metal, and are particularly resistant to corrosion and heat. In the past, gold-plated tantalum capacitors have been used in many sensitive applications, but due to their high cost they are now more commonly used in less critical applications.The T495E477M010ATE040 is an example of a tantalum capacitor, and is frequently used in computers, consumer electronics, telecommunications, and medical equipment. The T495E477M010ATE040 is relatively small in size, making it suitable for confined spaces. Its case features a 4-pin configuration for easy mounting, and its solderability is rated at 85°C for 3.5 seconds. The T495E477M010ATE040 has an operating temperature range of -55°C to +125°C, and boasts an impressive capacitance of 0.47 µF.The key advantage of tantalum capacitors is their ability to store electrical charge, and they are therefore frequently used to filter out high-frequency signals and to store energy for short periods of time. The process of electrolyte oxidation is used to store the electrical charge, and tantalum capacitors typically utilise manganese dioxide as an electrolyte. This electrolyte is combined with a specialised solution known as a ‘solution mixture’, and when an electrical potential is applied across the capacitors electrodes, a thin red-brown oxide layer will form on the surface of the tantalum metal.The oxide layer forms an insulating dielectric layer that is able to store a large amount of electrical charge. The dielectric constant of the oxide layer is generally high, leading to increased electrical capacitance. The oxide layer also provides protection from heat, making it highly reliable in temperatures higher than that of common capacitors.The selection of a tantalum capacitor is dependent on the application voltage and current requirements. In general, the higher the capacitance and voltage rating respectively, the figure–density of the capacitor increases. The figure density is the ratio of the volume taken up by the total capacitor components, representing a ‘figure’ shape.The figure–density of tantalum capacitors is higher than other capacitor types, allowing for higher capacitance and voltage ratings within the same volume. Additionally, the electrolyte used is long-lived, allowing the capacitor to retain its charge over long periods of time. Due to these numerous advantages, tantalum capacitors have found their way into many applications.Tantalum capacitors are often the preferred choice for demanding applications like power management and signal filtering. They have a high capacity for energy storage, making them suitable for applications that require a large capacitance value. Additionally, they are more stable when exposed to high temperatures, and are capable of handling large transient loads. The high capacitance values and temperature stability of tantalum capacitors makes them ideal for a range of applications, such as power conditioning, electric power transmission systems, and medical equipment.

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