T543D685K063ATE075 Allicdata Electronics
Allicdata Part #:

T543D685K063ATE075-ND

Manufacturer Part#:

T543D685K063ATE075

Price: $ 3.24
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT POLY 6.8UF 63V 2917
More Detail: 6.8µF Molded Tantalum Polymer Capacitor 63V 2917 (...
DataSheet: T543D685K063ATE075 datasheetT543D685K063ATE075 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
500 +: $ 2.94121
Stock 1000Can Ship Immediately
$ 3.24
Specifications
Series: KO-CAP® T543
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 6.8µF
Tolerance: ±10%
Voltage - Rated: 63V
Type: Molded
ESR (Equivalent Series Resistance): 75 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: COTS
Features: High Reliability
Description

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T543D685K063ATE075 capacitors are components that belong to a class of Tantalum - Polymer Capacitors. They are commonly used in a wide array of electronic applications, ranging from communication and consumer electronics, to medical and security, to aerospace and military. It is important to understand the working principle behind these capacitors in order to appreciate the various uses they are suited for and to choose the right one for a particular application.

Classification of Tantalum - Polymer Capacitors

Tantalum - Polymer Capacitors are divided into two subgroups: the liquid electrolytic or ‘wet’ type and the solid electrolytic or ‘dry’ type.

Liquid Electrolytic Capacitors (Wet Type)

Liquid Electrolytic Capacitors are formed using a thin, solid dielectric film or ‘separator’, which is soaked in a liquid electrolyte. This electrolyte, a polarizing agent, is usually an aqueous solution of a mineral acid or an alkali. This type of capacitor is characterized by a very low equivalent series resistance (ESR) and excellent ripple current handling capability.

Solid Electrolytic Capacitors (Dry Type)

Solid Electrolytic capacitors, like the T543D685K063ATE075, consist of an electrolyte-soaked anode with a porous dielectric material, usually sintered tantalum powder, placed on top and a temperature-resistant, solid or evaporated cathode on the bottom. This type of capacitor has a fairly low ESR and can handle a large ripple current, but can be more expensive and less stable compared to the liquid type.

Performance Characteristics of Tantalum - Polymer Capacitors

Tantalum - Polymer Capacitors have several key performance characteristics which make them attractive for certain applications. These include:

  • Low equivalent series resistance (ESR)
  • Low impedance
  • Excellent frequency characteristics
  • High temperature stability
  • Long life
  • Excellent ripple current handling ability

All of these characteristics are particularly important for their use in high-frequency switching applications without interfering with the performance of the circuit.

T543D685K063ATE075 Application Field and Working Principle

The T543D685K063ATE075 is a type of solid electrolytic capacitor. This type of capacitor is suitable for use in high frequency switching applications, due to its low equivalent series resistance (ESR) and excellent frequency characteristics. These capacitors are also highly stable at high temperatures and have excellent ripple current handling ability. The working principle behind this type of capacitor is based on the capacitance between its two layers, the anode and the cathode. When a voltage is applied across the capacitor, charges are stored on the anode and the cathode. The amount of charge stored in the capacitor is dependent on the capacitance, which can be affected by the thickness of the dielectric layer and the anode-cathode spacing.

Conclusion

Tantalum - Polymer capacitors are an important class of components used in a wide range of electronic applications. The T543D685K063ATE075 is a solid electrolytic capacitor, characterized by its low equivalent series resistance (ESR) and excellent frequency and ripple current handling characteristics. These features make it an excellent choice for high frequency switching applications without compromising on performance. All of this is achieved through the working principle of the capacitor, which depends on the capacitance between its two layers, the anode and cathode. Ultimately, understanding the application field and working principle of the T543D685K063ATE075 is vital to choosing the right capacitor for any particular application.

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

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