T540D337M004DH87057610

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):	40 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	4V
Tolerance:	±20%
Capacitance:	330µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum - Polymer Capacitors

Tantalum - Polymer capacitors are widely used in analog and digital circuits due to their excellent electrical properties such as low equivalent series resistance (ESR), high ripple current capability, low leakage current, long-term reliability and high temperature operation. The T540D337M004DH87057610 is a type of tantalum – polymer capacitor that is widely used in many electronic applications due to its superior performance.

Application Field

Tantalum – polymer capacitors are used in a variety of applications, including consumer electronics, medical electronics, and industrial power systems. In consumer electronics, they are widely used in mobile phones, wearable electronics, and digital cameras, among others. They are also widely used in medical electronics, where their superior performance helps to ensure reliable equipment in critical environments. Additionally, due to their lower cost and longer expected service life, tantalum – polymer capacitors are also preferred mainly for industrial applications, such as in power modules, welding machines, and other power control systems.

Working Principle

The working principle of a tantalum – polymer capacitor is based on the same principles as other types of capacitors, with a few important differences. The capacitance is created when a voltage is applied across two separate layers of conductive material, separating them by a dielectric material which can be either a liquid or polymer. This dielectric material is what gives the capacity of the device. Typically, the two layers of conductive material are a solid-state plate and an electrolyte such as aqueous electrolyte or highly purified electrolyte. The principal differences between tantalum – polymer capacitors and other types of capacitors is its construction and use of a high dielectric constant material as the dielectric layer. This high dielectric constant material is an ideal choice for storing high potentials because it has a very small amount of electrical charge. This material also offers an efficient way to store energy since it can be charged quickly and the process of discharging is much slower.The high dielectric constant material also means that the capacitors much have a higher capacitance and therefore a larger rating. This can make them ideal for many applications due to their increased energy storage and increased energy efficiency. Additionally, the much higher capacitance of these types of capacitors also means they generally can handle higher current than other types of capacitors. Another important feature of tantalum – polymer capacitors is that they are very stable over temperature and have an extremely low leakage current, making them extremely reliable and ideal for a variety of applications.

Conclusion

The T540D337M004DH87057610 is a type of tantalum – polymer capacitor that is widely known for its superior performance and wide range of applications in both digital and analog circuits. Due to the use of a high dielectric constant material as the dielectric layer, these capacitors can provide higher current ratings, higher capacitance and higher energy storage capacity than other types of capacitors. Additionally, their extremely low leakage current and excellent temperature stability make them extremely reliable and highly suitable for critical applications.

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