T540D477K004DH8710 Allicdata Electronics
Allicdata Part #:

T540D477K004DH8710-ND

Manufacturer Part#:

T540D477K004DH8710

Price: $ 7.63
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT POLY 470UF 4V 2917
More Detail: 470µF Molded Tantalum Polymer Capacitor 4V 2917 (7...
DataSheet: T540D477K004DH8710 datasheetT540D477K004DH8710 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
500 +: $ 6.92955
Stock 1000Can Ship Immediately
$ 7.63
Specifications
Series: KO-CAP® T540
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 470µF
Tolerance: ±10%
Voltage - Rated: 4V
Type: Molded
ESR (Equivalent Series Resistance): 40 mOhm @ 100kHz
Operating Temperature: -55°C ~ 125°C
Lifetime @ Temp.: 2000 Hrs @ 125°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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Tantalum - Polymer Capacitors are some of the most commonly used capacitors. The T540D477K004DH8710 is an example of them, which is a surface mount, ultra-miniaturized, polymer electrolytic capacitor. This type of capacitor offers several advantages over traditional tantalum capacitors, such as higher capacitance density, higher volumetric efficiency and low ESR (Equivalent Series Resistance). They are often deployed for use in mobile devices.

The application field of the T540D477K004DH8710 capacitors is usually for devices that require high capacitance and low ESR. Some of the most common applications are GPS devices, handsets, SIM cards, VOD broadcast devices, PDAs, touch screen devices, RFID readers, base stations and other analog circuits. These capacitors are used not only for their high capacitance and low ESR performance, but also for their long life and reliability, making them suitable for a variety of different functions.

In terms of the working principle of the Tantalum - Polymer Capacitor, it can be explained as follows. The capacitor consists of two electrodes - an anode and a cathode. The anode is made of a conductive material, such as a combination of tantalum and Ruthenium. The cathode is made of a non-conductive material, such as a polymer. The electrodes are separated by an insulator, such as a polymer dielectric layer. When a voltage is applied across the capacitor, an electric field is created between the two electrodes. This electric field causes electrons to move from the anode to the cathode, creating a current. The current accumulates in the capacitor until it reaches a maximum value, also known as the capacitance. This process is repeated each time a voltage is applied across the capacitor.

In conclusion, the T540D477K004DH8710 is a surface mount, ultra-miniaturized, polymer electrolytic capacitor which belongs to the family of Tantalum - Polymer Capacitors. It is popularly used in mobile devices and other analog circuits as it has excellent capacitance and low ESR performance. The working principle of these capacitors relies on the electric field created between an anode and a cathode, leading to the accumulation of current. This makes them an ideal choice for many applications where capacitance and low ESR are essential.

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

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