T540D227M004AH87057280 Allicdata Electronics
Allicdata Part #:

T540D227M004AH87057280-ND

Manufacturer Part#:

T540D227M004AH87057280

Price: $ 5.73
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT POLY 220UF 4V 2917
More Detail: 220µF Molded Tantalum Polymer Capacitor 4V 2917 (7...
DataSheet: T540D227M004AH87057280 datasheetT540D227M004AH87057280 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
2500 +: $ 5.20695
Stock 1000Can Ship Immediately
$ 5.73
Specifications
Series: KO-CAP® T540
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 220µF
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

Tantalum-(Polymer) capacitors (also referred to as T540D227M004AH87057280 capacitors) are one of the most commonly used components in electronic systems, with applications ranging from low-frequency control circuits of consumer electronics to the high frequency control domains of industrial and military applications. The look and design of these capacitors varies widely depending on the application, but typically they are designed to provide a compact package with minimum impedance, low inductance, and excellent stability over wide temperature ranges.

Application Field

Due to their excellent performance, Tantalum – Polymer capacitors are commonly used in many high frequency, processor-level, control circuits. However, they can also be used in low noise, analog, high frequency, digital switching and control circuits, or even high power circuits. They offer good high rate performance, low ESR and small footprint, making them suitable for a variety of applications. This includes automotive, medical, industrial and telecommunications products, as well as consumer electronics, computer and aerospace/defense applications.

Working Principle

Tantalum – Polymer capacitors use a device called a dielectric, usually polyethylene glycol (PEG), to store charge. PEGs are polymers that are sensitive to ambient temperatures and are excellent insulation materials. This is an important feature since the capacitance of a capacitor is directly related to its temperature coefficient. PEGs also enable the capacitors to remain stable over a wide temperature range, which is important in many applications.

The capacitance of the capacitor is determined by the size of the electrode surface, the thickness of the dielectric material, and the voltage applied across the capacitor. It is important to note that the resistance of the capacitor is directly related to the size and shape of the electrodes. The larger the diameter and the larger the shape of the electrodes, the higher the resistance.

The performance of the capacitor is improved when the anode of the capacitor is a special alloy made from a combination of tantalum, aluminum, and other metals. This makes the anode more resistant to oxidation and permits a lower operating temperature, which results in a higher Q factor (the ratio of the reactance of the capacitor measured at a given frequency to its resistance).

Tantalum–polymer capacitors are also known for their reliability. They are designed to handle a wide range of operating conditions and have a high tolerance for extreme temperatures and vibration. They are usually sealed in epoxy packages to protect them from moisture, dust and other corrosive elements.

Conclusion

T540D227M004AH87057280 capacitors are some of the most commonly used components in the field of electronics. Their applications range from low-frequency control circuits for consumer electronics to the high frequency control domains of industrial and military applications. They are highly reliable components that are designed to withstand a wide range of operating conditions, making them suitable for a variety of applications. Their excellent performance and stability over wide temperature ranges make them a great choice for many electronic systems.

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

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