T520D687M004ATE025 Allicdata Electronics
Allicdata Part #:

399-10343-2-ND

Manufacturer Part#:

T520D687M004ATE025

Price: $ 0.63
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT POLY 680UF 4V 2917
More Detail: 680µF Molded Tantalum Polymer Capacitor 4V 2917 (7...
DataSheet: T520D687M004ATE025 datasheetT520D687M004ATE025 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
500 +: $ 0.56700
1000 +: $ 0.49613
2500 +: $ 0.48938
Stock 1000Can Ship Immediately
$ 0.63
Specifications
Series: KO-CAP® T520
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 680µF
Tolerance: ±20%
Voltage - Rated: 4V
Type: Molded
ESR (Equivalent Series Resistance): 25 mOhm @ 100kHz
Operating Temperature: -55°C ~ 105°C
Lifetime @ Temp.: 2000 Hrs @ 105°C
Mounting Type: Surface Mount
Package / Case: 2917 (7343 Metric)
Size / Dimension: 0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max): 0.122" (3.10mm)
Lead Spacing: --
Manufacturer Size Code: D
Ratings: --
Features: General Purpose
Description

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Tantalum - Polymer Capacitors

T520D687M004ATE025 is a type of capacitor that is composed of two dissimilar materials within the construction, referred to as an electrolytic capacitor. These capacitors are made with two layers of Ta/Ta oxide films and a conductive metallic layer frequently constructed of nickel. The dielectric used in the construction of these capacitors is typically a polymer material, and the connection to the capacitor is made by a metal-to-polymer bond. This type of capacitor is known for its higher temperature stability and reliability under harsh conditions.

Application Field of T520D687M004ATE025

T520D687M004ATE025 capacitors are most often used in equipment that needs a small, but powerful capacitor with higher operational capability, such as power supplies, audio and television equipment, military applications, automotive electronics, high performance computers, and digital processing. Its construction makes it well-suited for applications where the capacitor must remain in place for a long period of time, since the layers of Ta/Ta oxide and the metal-to-polymer bonding of the connection makes it highly resistant to environmental and chemical damage.

Working Principle of T520D687M004ATE025

T520D687M004ATE025 capacitors work on the same principle of all other capacitor types, which is that of charge transfer. The capacitor is able to store energy in the form of an electrical field. This field is established between two metal plates, one of which has a charge of a positive polarity and the other, a negative. The Ta/Ta oxide and polymer material acts to safeguard the electrical field established between these plates and prevent any leakage of charge.

When the capacitor is connected to a current, the electrons move from one plate, according to their charge, to the other plate and build up a charge. Once the capacitor reaches equilibrium, the electrical field is what allows current to be stored, or to be discharged. This ability to store and release a charge, makes the T520D687M004ATE025 capacitor very useful in applications that require intense, but short burst of energy.

Conclusion

T520D687M004ATE025 capacitors provide a reliable and efficient method of harnessing electrical charge and can be used in a wide variety of applications. Their construction makes them suitable for high-performance applications, and their ability to handle a wide range of temperatures makes them highly desirable for some military applications as well. With their excellent operational capabilities, T520D687M004ATE025 capacitors can be used to provide all sorts of energy storage and transfer solutions, making them a valuable addition to electronic circuits.

The specific data is subject to PDF, and the above content is for reference

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