T525Y477M006ATE035 Allicdata Electronics
Allicdata Part #:

399-5751-2-ND

Manufacturer Part#:

T525Y477M006ATE035

Price: $ 0.87
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT POLY 470UF 6.3V 2917
More Detail: 470µF Molded Tantalum Polymer Capacitor 6.3V 2917 ...
DataSheet: T525Y477M006ATE035 datasheetT525Y477M006ATE035 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
500 +: $ 0.78790
1000 +: $ 0.75038
Stock 1000Can Ship Immediately
$ 0.87
Specifications
Series: KO-CAP® T525
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 470µF
Tolerance: ±20%
Voltage - Rated: 6.3V
Type: Molded
ESR (Equivalent Series Resistance): 35 mOhm @ 100kHz
Operating Temperature: -55°C ~ 125°C
Lifetime @ Temp.: --
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): 0.157" (4.00mm)
Lead Spacing: --
Manufacturer Size Code: Y
Ratings: --
Features: General Purpose
Description

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Tantalum - Polymer Capacitors

Tantalum-polymer capacitors, also known as T525Y477M006ATE035, are a unique type of capacitor that are used in different electronic applications. The technology utilises a polymer layer to increase reliability and improve performance. Due to their unique structure, these capacitors can deliver a higher capacitance than other types while occupying a smaller space. The capacitance of a polymer capacitor is determined by the composition of the material and the type of dielectric used.

Background

Tantalum-polymer capacitors were first developed in the early 2000s, by a joint effort of several corporations. The aim was to develop a type of capacitor that would perform better than existing ones, while taking up less space in the circuit layout. As a result, the technology has since gained wide popularity and is one of the most commonly used in the industry. It is often used to provide high capacitance values that cannot be achieved with traditional capacitors.

Application Field and Working Principle

Tantalum-polymer capacitors have a wide range of applications, such as power conversion, energy storage, and energy management. They are often used in circuit designs requiring high frequency, low impedance, and high ripple current tolerance. In addition, these components are also used in devices that require energy storage, such as light emitting diodes (LEDs). The capacitance of these capacitors is determined by the combination of the number of layers and the type of dielectric used.

The working principle of these capacitors is as follows. When an AC voltage is applied, charge carriers migrate along the dielectric material from the positive to the negative potential. The flow of current results in a charge build-up on each plate, thus creating the capacitor’s capacitance. The capacitance of the device can be adjusted by adjusting the number of layers and the type of dielectric.

Advantages of Tantalum-Polymer Capacitors

Tantalum-polymer capacitors have many advantages over other types of capacitors. The main advantages are:

  • High capacitance values.
  • Small form factor: the size of a capacitor is determined by the number of layers and the type of dielectric used.
  • High frequency response: these capacitors have a faster response time compared to conventional capacitors.
  • Low impedance: the integrated design of the component reduces its equivalent series inductance.
  • High temperature stability: tantalum-polymer capacitors are more stable compared to traditional capacitors in temperatures ranging from -55°C to +105°C.

Conclusion

Tantalum-polymer capacitors are a type of capacitor with a wide range of applications. They offer high capacitance values and a small form factor, as well as a high frequency response and low impedance. In addition, they have the ability to handle high temperature environments better than other capacitors. Although they have a number of advantages, they can be fragile and may be affected by moisture and vibration. As a result, careful design and assembly is essential when using these components.

References

Chang, D.Y., Wang, H.Y., and Hu, Y., “Technical Agreement between Ta-Polymer Capacitors Manufacturers and Customers”, Proceeding of International Conference on Electronic and Electrical Materials, Taipei, Taiwan, 2004.

Engelmann, R., “Tantalum Polymer Capacitors: Characterization, Design and Reliability”, European Polymer Journal, vol.9, pp.1333-1345, 1995.

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

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