T520D687M2R5ATE015

Operating Temperature:	-55°C ~ 105°C
Features:	General Purpose
Ratings:	--
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 @ 105°C
Series:	KO-CAP® T520
ESR (Equivalent Series Resistance):	15 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	2.5V
Tolerance:	±20%
Capacitance:	680µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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<h2>Tantalum - Polymer Capacitors</h2>Tantalum-polymer capacitors are a technology of capacitors that utilize a tantalum oxide dielectric layer, and a polymeric organic balance layer. Such capacitors have many advantages, such as low Equivalent Series Resistance (ESR) and high capacitance values. They are often preferred over other technologies, such as ceramic and aluminium electrolytic-based capacitors, due to high reliability, low parasitics and small size. The T520D687M2R5ATE015 capacitor, manufactured by AVX, is a type of Tantalum-polymer capacitor that meets the requirements of modern application fields, such as consumer electronics, automotive electronics, and telecommunications. This capacitor has a capacitance of 0,687 µF, a maximum voltage rating of 2,5 V and an operating temperature range of -55°C to +105°C.The working principle of these capacitors is based on the interaction of oxide and polymer layers that form a capacitor sandwich. On one side of the capacitor, electrodes made of tantalum are connected to one another via an oxide dielectric layer. On the other side, two non-conductive layers, the separator and the organic layer, are placed on top of each other. The separator layer serves to separate the tantalum from the polymer layer and maintain a uniform dielectric field. The polymer layer functions as the dielectric material in the sandwich and provides the capacitance of the device. The charge and discharge cycle of the capacitor is based on ionic movement in and out of the electrodes, as well as electron movement between the electrodes. When a charge is applied to the capacitor, the ions in the electrodes move outwards, forming an electric field in the dielectric layer. Due to the electric field, electrons migrate from one electrode to the other, creating a potential difference, which leads to a current flow. T520D687M2R5ATE015 capacitors are well-suited for a range of applications in consumer electronics, automotive, and telecommunications. In consumer electronics, they can be used to filter out and stabilize voltages, as well as to provide energy storage for voltage-sensitive components. In automotive electronics, they are suitable for filtering DC voltages, as well as for stabilizing AC signals. In telecommunications, they can be used to store energy in oscillating pulses and to buffer and stabilize signals.Due to its low ESR, small size and high capacitance, the T520D687M2R5ATE015 capacitor is a versatile component that is well-suited for a variety of applications. It can be used as a voltage-stabilizer, an energy-storage capacitor, and a signal-conditioner in a wide range of consumer, automotive and telecommunications fields. Moreover, its high reliability and low parasitic properties make it an ideal choice for applications that require high performance and long-term stability.

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