T540D687K2R5BH8705

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 CapacitorsTantalum - polymer capacitors, also known as Ta-polymer capacitors, combine tantalum winding with a polymer etched anode in order to provide superior electrical characteristics compared to traditional capacitors. The part number T540D687K2R5BH8705 specifically refers to a high-reliability Tantalum Polymer surface-mount capacitor. The T540D687K2R5BH8705 is a capacitor that offers a high degree of reliability in high temperature and high humidity environments, due to its protective structure. It is mainly used for decoupling, energy storage, filtering and signals. The primary benefit of using Ta-polymer capacitors is their superior volumetric efficiency and operating temperature range.The operating principle of the T540D687K2R5BH8705 is based on the Faraday effect, whereby voltage applied will cause a shift in the electrode position, resulting in a change in the capacitance. This means that the capacitor can be controlled with a single electrical signal, making it ideal for use in applications where high dynamic range and high frequency requirements are needed.When compared to other types of capacitors, the T540D687K2R5BH8705 offers a number of significant benefits. These include a higher working temperature, relative humidity and temperature ranges, a very low equivalent series resistance (ESR), superior volumetric efficiency and wide temperature range. Additionally, the capacitor also resists to high-temperature and high-humidity environments, making it suitable for use in harsh conditions.The high volumetric efficiency of this Ta-polymer capacitors make them ideal for use in high-density electronic designs. It is especially suited for applications where size and space are at a premium, such as portable electronic devices. The low ESR also ensures low power loss, making it an efficient energy-storage device for decoupling and filtering purposes.The T540D687K2R5BH8705 is well-suited for use in military and aerospace applications due to its high reliability in extreme environments. Additionally, it is also suitable for automotive, medical and industrial applications where high-temperature and high-humidity resistance are a prerequisite.The T540D687K2R5BH8705 is designed to provide very high stability and reliability over long periods of time. It features an internal ceramic bypass capacitor which helps to ensure that the capacitor operates with maximum accuracy as well as reducing the amount of noise and ripple on the output. The low ESR also ensures low power losses during operation, making the capacitor extremely efficient.To sum up, the T540D687K2R5BH8705 is a high-reliability Tantalum-polymer capacitor which offers superior electrical characteristics compared to traditional capacitors. It is mainly used for decoupling, energy storage, filtering and signals and is suitable for use in a wide range of applications due to its high reliability in high temperature and high-humidity environments. Additionally, it offers a wide temperature range, superior volumetric efficiency, and a very low ESR, making it an efficient energy-storage device for decoupling and filtering purposes.

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