T540D337M004BH87057280 Allicdata Electronics
Allicdata Part #:

T540D337M004BH87057280-ND

Manufacturer Part#:

T540D337M004BH87057280

Price: $ 6.09
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT POLY 330UF 4V 2917
More Detail: 330µF Molded Tantalum Polymer Capacitor 4V 2917 (7...
DataSheet: T540D337M004BH87057280 datasheetT540D337M004BH87057280 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
2500 +: $ 5.53320
Stock 1000Can Ship Immediately
$ 6.09
Specifications
Series: KO-CAP® T540
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 330µF
Tolerance: ±20%
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

T540D337M004BH87057280 is a type of tantalum – polymer capacitor. It has the features of high temperature rating, high reliability, and low ESR (Equivalent Series Resistance). It is mainly used in high bandwidth applications such as in ADSL modems, power amplifiers, and clock generators.

Application Field

T540D337M004BH87057280 is specifically designed to meet the demanding requirements of digital audio, communications and computing applications. It is ideal for use in power supplies and energy storage, coupled with low ESR and high quality sound in entertainment audio.

As a tantalum – polymer capacitor, it has excellent temperature characteristics, sturdy construction and long shelf life. It also has long trace lengths compared to its size, a tight maximum capacitance tolerance and no visible sign of leakage. T540D337M004BH87057280 offers a unique combination of high capacitance, low ESR, high ripple current and superior stability under varying temperatures and voltages.

Working Principle

The working principle of the T540D337M004BH87057280 is based on the use of two layers of conductive polymer, between two layers of tantalum pentoxide. The construction of the capacitor is relatively simple, as one layer of conductive polymer serves as the dielectric, while the second layer of conductive polymer acts as the electrode. This construction enables it to operate at a higher temperature range than most other capacitors and also reduces the ESR.

When a voltage is applied across the capacitor, electrons flow through the layer of tantalum pentoxide and into the layer of conductive polymer. This creates an electric field which results in electrons being drawn from the conductive polymer layer to the tantalum pentoxide layer. The electric field created by this process charges the capacitor and thus increases its capacitance.

As the capacitor is constantly exposed to varying temperatures and voltages, the resulting fluctuating electric field causes electrons to be redistributed between the two layers. The exclusive structure of the T540D337M004BH87057280 provides it with a great deal of stability and allows it to maintain its capacitance even when exposed to fluctuating temperatures and voltages.

Conclusion

T540D337M004BH87057280 is a high performance tantalum – polymer capacitor that offers a unique combination of high capacitance, low ESR, high ripple current and superior stability. It has a high temperature rating and is suitable for use in demanding applications such as digital audio, communications and computing. The structure of this capacitor enables it to maintain its capacitance even when exposed to varying temperatures, voltages and power currents.

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

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