T540D687K2R5DH8705

Operating Temperature:	-55°C ~ 125°C
Features:	High Reliability
Ratings:	COTS
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:	KO-CAP® T540
ESR (Equivalent Series Resistance):	40 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	2.5V
Tolerance:	±10%
Capacitance:	680µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum-Polymer Capacitors are a type of capacitors used in various electronic circuits and systems, such as automotive electronics and telecommunications equipment. The T540D687K2R5DH8705 is a common model of Tantalum-Polymer capacitor and is used in many different applications and contexts. In this article, we will discuss the application field and working principle of T540D687K2R5DH8705.The T540D687K2R5DH8705 is a low-profile, surface-mountable polymer tantalum capacitor with a 50V rating and a range of capacitance values from 1µF to 470µF. It can withstand temperatures from -55°C to +125°C and operates at frequencies up to 50MHz. This makes it ideal for use in automotive and industrial applications, as well as telecommunications, healthcare, aerospace and defense systems.The T540D687K2R5DH8705 is a surface-mountable and low-profile capacitor, ideal for use in high density, PCB designs and provides good performance in both analog and digital circuits. Its small package design makes it suitable for space-constrained applications. The capacitor is also RoHS compliant and Halogen free.The working principle of the T540D687K2R5DH8705 is based on the generation and storage of electrical charge in the form of an electric field between two conducting surfaces. The capacitor consists of two metal plates (anode and cathode) separated by an insulating substance called a dielectric, which is usually a conductive polymer such as polyethylene oxide. The capacitor acts as a storage device for electric charge, and when a voltage is applied across the plates, the dielectric absorbs electrical charge and stores it between the plates. This stored charge forms an electric field between the two plates. When the voltage across the plates is removed, the electric field dissipates and the capacitor discharges.The T540D687K2R5DH8705 has many applications in automotive, industrial, telecommunications, healthcare, aerospace and defense systems. In automotive and industrial applications, the capacitor can be used to provide lower ESR and higher capacitance values in output filter circuits. In telecommunications, it can be used to smoothen the voltage supply to the transmitter system. The T540D687K2R5DH8705 is also used in healthcare equipment for monitoring of heart rate, respiration and other vital signs. In aerospace and defense, the capacitor is used for power conditioning in radar systems, missiles, and satellites.In conclusion, the T540D687K2R5DH8705 is a low-profile, high-density, Tantalum-Polymer capacitor that has many uses in various applications. Its working principle is based on the generation and storage of electric charge in the form of an electric field between two plates separated by an insulating dielectric. The wide temperature range and high frequency performance make it suitable for use in automotive, industrial, telecommunications, healthcare, aerospace and defense systems.

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