T540D156K025CH8510 Allicdata Electronics
Allicdata Part #:

T540D156K025CH8510-ND

Manufacturer Part#:

T540D156K025CH8510

Price: $ 5.70
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TAN POLYMER COTS SMD 15UF 10
More Detail: 15µF Molded Tantalum Polymer Capacitor 25V 2917 (7...
DataSheet: T540D156K025CH8510 datasheetT540D156K025CH8510 Datasheet/PDF
Quantity: 1000
Moisture Sensitivity Level (MSL): 3 (168 Hours)
Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
500 +: $ 5.17430
Stock 1000Can Ship Immediately
$ 5.7
Specifications
Operating Temperature: -55°C ~ 125°C
Features: High Reliability
Ratings: COTS
Manufacturer Size Code: D
Lead Spacing: --
Height - Seated (Max): 0.122" (3.10mm)
Size / Dimension: 0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case: 2917 (7343 Metric)
Mounting Type: Surface Mount
Lifetime @ Temp.: 2000 Hrs @ 125°C
Series: KO-CAP® T540
ESR (Equivalent Series Resistance): 100 mOhm @ 100kHz
Type: Molded
Voltage - Rated: 25V
Tolerance: ±10%
Moisture Sensitivity Level (MSL): --
Capacitance: 15µF
Lead Free Status / RoHS Status: --
Part Status: Active
Description

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Tantalum - Polymer Capacitors

T540D156K025CH8510 is a type of tantalum based polymer capacitor using solid manganese dioxide as the electrolyte. These capacitors offer many advantages, such as high capacitance, low equivalent series resistance (ESR), and low leakage current. They are also quite small in size, making them suitable for use in various applications where space is at a premium. This article will discuss the application field and working principle of T540D156K025CH8510. T540D156K025CH8510 is mainly used in power related applications such as converters and power supplies. As the converter or power supply voltage increases, the capacitance of the capacitor, in general, decreases. Thus, T540D156K025CH8510 needs to be chosen with a higher capacitive rating than other types of capacitors in order to maintain the required capacity under higher voltages. Due to its lower ESR, this capacitor is also suitable for applications where there is a need to reduce switching or ripple noise. The working principle behind T540D156K025CH8510 is electrochemical storage. This capacitor consists of two tantalum layers. The inner layer is made of tantalum pentoxide, which acts as an electrochemical storage layer, and the outer layer is made of titanium oxide, which is the dielectric layer. A voltage applied across the two layers causes ionic charge to be transferred from one layer to the other, thus storing electrical energy. This ionic charge transfer happens in a few stages, and the capacitor’s voltage is forced to increase until the capacitance drops to zero. Tantalum-polymer capacitors also have an oxide cathode in the form of manganese dioxide. This oxide acts as an electrolyte and allows ions to move freely between the capacitor’s electrodes. It also prevents corrosion between the electrodes and the electrolyte. This is why the capacitor is able to handle higher voltages and frequencies than other types of capacitors.Tantalum-polymer capacitors are highly reliable and have a long lifespan. Since they are not affected by temperature changes, they are suitable for applications where temperature extremes are expected. Furthermore, they have a low ESR, so they produce low switching noise and are thus a suitable choice for applications requiring high speed. Finally, due to their small size and the use of a dielectric layer, these capacitors are also suitable for use in high-density applications.In conclusion, T540D156K025CH8510 is a type of tantalum-polymer capacitor with a range of advantages. It is suitable for power related applications, has a low ESR and is small enough for high-density applications. Furthermore, it has a long lifespan and is resistant to temperature changes.

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

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