T520D157M008ATE055

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):	55 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	8V
Tolerance:	±20%
Capacitance:	150µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum - Polymer CapacitorsT520D157M008ATE055 is a type of capacitors within the tantalum – polymer capacitors family. This type of capacitors are some of the most reliable devices that are used to store electrical energy, almost always in digital electronics systems. The devices are found in a myriad of applications, including in personal digital assistant (PDA), cell phones, laptops, tablets and digital cameras.Tantalum - polymer capacitors are composed of a number of alternating layers and films, which are typically made of tantalum, polymer, an electrolyte, or a combination of these materials. They are designed with two electrical contacts which are usually referred to as anode and cathode, and when there is a potential difference applied between the contacts, an electric current is allowed to flow between them as a part of a capacitive charging/discharging process. This allows energy to be stored in the capacitor, much like with a regular battery.T520D157M008ATE055 is a particular type of tantalum – polymer capacitors. It was designed to store quite large amounts of energy, with a typical maximum voltage of 16V, a maximum capacitance of 470µF and a 1kHz ESR of 85mΩ. This type of capacitors are most often used in digital audio gear and active filter circuits, due to its tolerance to rapid charging/discharging and high frequency operations. Moreover, due its huge capacitance, these capacitors have an excellent LED flickr reduction property, which in turn allows to have smooth LED transitions.Because of its properties, they are an ideal choice as an alternative to T520D157M006ATE055 devices. They have lower leakage current and higher ripple current capability, proving to be more reliable than their predecessors when operating in a wide variety of temperature conditions. Moreover, they provide a further reduction of size and power consumption in the circuits where they are incorporated.T520D157M008ATE055 generally operates within a temperature range of -55ºC to +125ºC, and must remain well within this range for its proper functioning. Beyond this range, the device’s capability to properly store energy is quickly reduced. Furthermore, manufacturers of this type of capacitors require that specific conditions be met, as several parameters that directly affect the device performance are of a different nature than those of other capacitors. Being a polarized device, proper installation becomes an essential part of proper device operation. To ensure that the capacitor functions within desirable parameters, manufacturers require the positive terminal of the capacitor to be connected to the positive potential of the circuit, and the negative one to the negative potential. This is to ensure the full performance of the device and at the same time, to prevent actual damage to the device due to reversed dc voltage.Furthermore, it is crucial to ensure that the device is stored and preserved in a correct manner prior to installation. This is essential since any damaging chemicals or deposits during the storage or manufacturing process can cause the capacitor to fail.In summary, T520D157M008ATE055 capacitors have proven to be extremely reliable and efficient in many applications, allowing a cost-effective solution for circuit designers. They are valued more and more every year due to their ever growing popularity as they provide a wide range of designing choices that can be used to fulfill a variety of specific requirements.

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