T543B337K2R5AHW035D100

Operating Temperature:	-55°C ~ 105°C
Features:	High Reliability
Ratings:	COTS
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.079" (2.00mm)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Package / Case:	1411 (3528 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 105°C
Series:	KO-CAP® T543
ESR (Equivalent Series Resistance):	35 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	2.5V
Tolerance:	±10%
Capacitance:	330µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Tantalum-Polymer capacitors (T543B337K2R5AHW035D100b) are electrochemical capacitors that utilize both a metallic material (in this case, Tantalum) and a polymer material. The combination of these two materials produces a powerful, non-polarized capacitor with a high capacitance density, ultra low ESR and good temperature characteristics. These capacitors have a wide variety of applications, from automotive to industrial and medical. In this article, we will discuss the application field and working principle of T543B337K2R5AHW035D100b tantalum-polymer capacitors.

Applications

Tantalum-Polymer capacitors are used in a wide variety of applications due to their wide operating temperature range, low equivalent series resistance (ESR) and high capacitance density. These capacitors are used in automotive circuitry, such as power supplies and motor controllers, as well as industrial and medical applications.In automotive applications, Tantalum-Polymer capacitors are used to provide voltage stabilization and filtering in power supplies and motor controllers. In both applications, the capacitors are used to reduce noise and spikes in the system, providing a more stable current flow. The capacitors\' high capacitance density allows for a compact design, making them an ideal choice for automotive applications.In industrial applications, these capacitors are used in high-current, low-voltage power delivery circuits. They are also used to filter noise from motors and other machinery. Their low ESR and wide temperature range also make them suitable for medical applications, such as pacemakers and defibrillators.

Working Principle

Tantalum-Polymer capacitors utilize electricity to trigger an electrochemical reaction that allows electrical energy to be stored. This occurs when an electric field causes the positive ions of the electric layer to move towards the negative cathode and the negative ions to move towards the positive anode. This movement of ions creates an electrical charge and electric current flow in the capacitor. The amount of charge that can be stored in the capacitor is determined by the capacitance of the capacitor, which is determined by the physical size and dielectric material used in the capacitor. The ability of Tantalum-Polymer capacitors to provide high capacity and low ESR is due to the combination of materials used in the capacitor. The Tantalum provides a very high breakdown voltage, allowing for a higher peak current and a higher capacitance density. The polymer is used to reduce the ESR of the capacitor and improve temperature stability.

Conclusion

Tantalum-Polymer capacitors are a type of electrochemical capacitor that combine both a metallic material (Tantalum) and a polymer material. These capacitors provide high capacitance density and low ESR, which makes them an ideal choice for automotive, industrial, and medical applications. The combination of materials used in these capacitors also allows for a wide operating temperature range and good temperature stability. The working principle of Tantalum-Polymer capacitors relies on an electrochemical effect caused by an electric field, which causes the positive ions to move towards the negative cathode and the negative ions to move towards the positive anode. This creates an electrical charge, which is then stored in the capacitor and can be released when the capacitor is activated.

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