T495D156K020ZTA1K2

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	AEC-Q200
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	0.122" (3.10mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 125°C
Series:	T495
ESR (Equivalent Series Resistance):	1.2 Ohm @ 100kHz
Type:	Molded
Voltage - Rated:	20V
Tolerance:	±10%
Capacitance:	15µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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IntroductionT495D156K020ZTA1K2 is an electrolytic capacitor, a type of capacitor that uses a dielectric of liquid electrolyte. It is a type of Tantalum Capacitor, a type of surface mount capacitor, based on tantalum, with a lower volume and higher capacitance than their aluminum electrolytic counterparts.Application FieldTantalum capacitors are generally used in applications where small size and stability at high temperatures are required. It is particularly popular in the electronics industry, due to the low profile footprint it provides and the ability to operate at temperature up to 125C. This type of capacitor is ideal for use in digital circuits due to its low leakage current, temperature stability, small size and low cost.Common uses of T495D156K020ZTA1K2 Tantalum Capacitors include in audio and video applications, automotive electronic designs, LCD and plasma displays, and in mobile devices and communications technologies. It is particularly useful where its reduced size, fast charging/discharging capability and low profile footprint are beneficial for product design.Working PrincipleT495D156K020ZTA1K2 Capacitor works on the principle that the material of choice has an insulating dielectric property but allows minimum amounts of charge to flow. A tantalum capacitor is made of tantalum metal as the anode and covered with a layer of manganese dioxide (MnO2) as the dielectric material. When an electric potential is applied to the capacitor, it generates an electric field that forces charge through the dielectric material, making a deposit of positive charge on the metal plate.The capacitance of a tantalum capacitor is determined by the dielectric constant, the thickness of the dielectric material, and the area of the metal plate. The amount of charge that can be stored in the capacitor is determined by the plate area and the dielectric constant, and dictates the voltage that can be applied to the tantalum capacitor without damaging or significantly degrading its performance.ConclusionT495D156K020ZTA1K2 is a type of surface mount tantalum capacitor, popular in applications where size and stability in high temperature environments are a necessity. It works on the principle that the material of choice has an insulating dielectric property but allows minimum amounts of charge to flow, making a deposit of positive charge on the metal plate. It is commonly used in audio and video applications, automotive electronic designs, LCD and plasma displays, and in mobile devices and communications technologies.

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