T591V157M006ATE045 Allicdata Electronics
Allicdata Part #:

399-12285-2-ND

Manufacturer Part#:

T591V157M006ATE045

Price: $ 0.46
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT POLY 150UF 6.3V 2917
More Detail: 150µF Molded Tantalum Polymer Capacitor 6.3V 2917 ...
DataSheet: T591V157M006ATE045 datasheetT591V157M006ATE045 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
1000 +: $ 0.41542
2000 +: $ 0.40977
Stock 1000Can Ship Immediately
$ 0.46
Specifications
Series: KO-CAP® T591
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 150µF
Tolerance: ±20%
Voltage - Rated: 6.3V
Type: Molded
ESR (Equivalent Series Resistance): 45 mOhm @ 100kHz
Operating Temperature: -55°C ~ 125°C
Lifetime @ Temp.: 2000 Hrs @ 105°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): 0.079" (2.00mm)
Lead Spacing: --
Manufacturer Size Code: V
Ratings: --
Features: General Purpose
Description

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Introduction to Tantalum-Polymer Capacitors

Tantalum-polymer capacitors, also referred to as polymer-tantalum, or polymer electrolytic capacitors, are a special type of capacitor that use a dielectric formed by an insulating polymer film and an anode formed from a porous layer of sintered tantalum powder. These capacitors are designed to provide a capacitance ranging from a few nanofarads to over a thousand microfarads, with an operating temperature range of -55°C to 125°C and a dissipation factor less than 0.1%.

T591V157M006ATE045 Application and Working Principle

The T591V157M006ATE045 is an ultra-high-temperature, low-ESR polymer-tantalum capacitor designed for use in space, aviation, and other electronic systems requiring improved reliability at extreme temperatures. This capacitor has a rated voltage of 16VDC and a capacitance of 0.0015F, and is capable of operating in temperatures ranging from -55°C to 125°C.The working principle of the T591V157M006ATE045 is similar to that of other polymer-tantalum capacitors. Inside the capacitor an electrolyte is present which acts as the dielectric between the two metallic layers. The positive terminal is made up of a porous tantalum anode, and the negative terminal is comprised of a carbon-based cathode. When a voltage is applied across the capacitor, the electrolyte molecules are attracted to the positive terminals and form a conductive layer between the metals, allowing current to pass. The electrolyte is also able to store a charge, meaning that once the voltage is removed the capacitors can hold the charge, allowing it to be removed when needed.

Advantages and shortcomings of T591V157M006ATE045

The T591V157M006ATE045 has several advantages over conventional polymer tantalum capacitors. Most notably, it can handle high temperatures, making it an ideal choice for use in applications where regular capacitors would have difficulty coping. Additionally, its low equivalent series resistance (ESR) allows it to provide greater stability when voltage spikes occur, thus increasing its life span. Similarly, its low dissipation factor and high dielectric strength ensure high reliability and performance across a wide range of temperature and voltage ranges.Despite its advantages, the T591V157M006ATE045 has some shortcomings when compared to other capacitor types. Its capacitance value is significantly lower than other capacitors, meaning it is not suitable for applications that require higher capacitance values. Similarly, its relatively high cost means it is not always the most cost-effective solution. Finally, the additional complexity of its design means it is more difficult to construct, necessitating the use of specialised tools, which can add to costs.

Conclusion

In conclusion, the T591V157M006ATE045 is a high-temperature, low-ESR polymer-tantalum capacitor designed for applications requiring improved temperature stability and enhanced reliability. This capacitor is capable of operating over a wide temperature range and provides high dielectric strength and low dissipation factors, along with its low ESR values. Despite its advantages, the T591V157M006ATE045 is expensive and requires specialised equipment to construct, making it a more expensive solution than other capacitors.

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

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