T540D157M006BH85057610

Series:	KO-CAP® T540
Packaging:	Bulk
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):	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

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Introduction

Tantalum-Polymer capacitors, commonly referred to as Ta-poly or TP capacitors, offer a range of advantages over their conventional aluminum electrolytic and ceramic counterparts. T540D157M006BH85057610 is a representative product from this family of capacitors.

Application Fields

Ta-poly capacitors have extensive applications in a broad range of electronics products and systems, providing an ideal choice for medical electronics, automotive, military and industrial automation.
In modern medical diagnostic and imaging equipment, Ta-poly capacitors are the preferred choice due to its low equivalent series resistance (ESR), long life and high voltage ratings. Ta-poly capacitors offer excellent frequency stability and temperature characteristics. Hence they are widely used in automotive control systems and are ideal for use in temperature control, engine control and chassis control systems.
In military systems, Ta-poly capacitors are ideal for high performance applications such as anti-ship missile defense systems and aircraft radars. These capacitors offer excellent noise immunity, high stability and long operational life. Ta-poly capacitors are also beneficial for extended operational life in industrial automation and automation systems for their dependability and high voltage ratings.

Working Principle

Ta-poly capacitors are constructed with a tantalum metal powder anode and tantalum pentaoxide dielectric. They are then become activated with a layers of dry non-conductive polymers. As compared to conventional aluminum electrolytic capacitors, Ta-poly capacitors offers a greater capacitance per unit volume and improved reliability due to their better heat dissipation and loss performance.

The working principle of Ta-poly capacitors is similar to that of aluminum electrolytic capacitors. An electrical current is passed through the anode and dielectric layer to form a capacitor. The capacitor then stores electric charge, allowing a continuous flow of current when needed.

Unlike aluminum electrolytic capacitors, Ta-poly capacitors consist of a dielectric material that is more resistant to oxidation and can be used in higher temperatures and harsher environments. The polymeric material used in the construction also offers a higher insulation resistance and a better dielectric constant. This ensures that the Ta-poly capacitor is able to operate for long periods of time without suffering any damage or reducing its performance.

Conclusion

T540D157M006BH85057610 is a representative of Tantalum-Polymer capacitors, providing reliable performance and long operational life for a wide range of applications in medical electronics, automotive, military and industrial automation. This capacitor offers several advantages over other conventional capacitors such as lower ESR, higher voltage ratings, high temperature operating capabilities and better noise immunity. The working principle of a Ta-poly capacitor is quite similar to that of an aluminum electrolytic capacitor. The anode and dielectric material allow it to store electric charge and allow a continuous flow of current when needed.

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