T541X108M004AT8505 Allicdata Electronics
Allicdata Part #:

T541X108M004AT8505-ND

Manufacturer Part#:

T541X108M004AT8505

Price: $ 5.81
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TAN POLYMER COTS SMD 1000UF
More Detail: 1000µF Molded Tantalum Polymer Capacitor 4V 2917 (...
DataSheet: T541X108M004AT8505 datasheetT541X108M004AT8505 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
500 +: $ 5.27710
Stock 1000Can Ship Immediately
$ 5.81
Specifications
Series: KO-CAP® T541
Part Status: Active
Lead Free Status / RoHS Status: --
Capacitance: 1000µF
Moisture Sensitivity Level (MSL): --
Tolerance: ±20%
Voltage - Rated: 4V
Type: Molded
ESR (Equivalent Series Resistance): 12 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): 0.169" (4.30mm)
Lead Spacing: --
Manufacturer Size Code: X
Ratings: COTS
Features: High Reliability
Description

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Tantalum - Polymer Capacitors

The T541X108M004AT8505 is a tantalum - polymer capacitor featuring a low profile with a height of just 0.85mm and a diameter of 4 mm. It has a maximum working voltage of 6.3V and it is capable of dissipating several watts of power. It is often used in applications where high capacitance and high voltage are needed.

One of the most common applications of this type of capacitor is as an energy storage capacitor in power supply circuits. It is used to reduce the ripple voltage in the supply and to help reduce high frequency noise. Its low profile means that it will not take up a lot of space in the circuit, making it suitable for small applications.

Another common application of the T541X108M004AT8505 is in cell phone charging circuits. These capacitors can be used to boost the current rapidly when a large device is connected to the power supply. This rapid current boost helps ensure that the phone will charge quickly and efficiently.

Tantalum - polymer capacitors are ideal for high frequency switching circuits. Their low equivalent series resistance makes them well suited for reducing the power losses associated with high frequency switching. Because of their low profile, they are also suitable for use in small form factor applications.

Working Principle

Tantalum - polymer capacitors are a type of electrolytic capacitor that are constructed with a solid conductive polymer film as the dielectric, rather than the conventional liquid electrolyte. This provides for a wide range of capacitance values and high ripple current capabilities compared to the traditional aluminum electrolytic capacitors.

A tantalum - polymer capacitor is constructed with two metal electrodes. These electrodes are separated by a charge transferring layer and by the dielectric layer. As an electric field is applied to the electrodes, electrons move within the dielectric layer, generating a charge imbalance on each side of the dielectric. This charge imbalance creates a reverse field, which opposes the applied field and provides the capacitance.

The main advantage of the tantalum - polymer capacitors is their low Equivalent Series Resistance (ESR). This low ESR allows them to handle high ripple currents without a large increase in temperature, making them ideal for switch mode power supply applications and any other applications where high power pulses or pulses with high rise and fall times are needed.

Conclusion

The T541X108M004AT8505 is a low profile tantalum - polymer capacitor that is suitable for a wide range of applications. It is commonly used in power supplies, cell phone charging circuits, and high frequency switching circuits. This capacitor has a low ESR which allows it to handle high ripple currents without a large temperature increase.

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

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