T543D476K016AHW065D100

Series:	KO-CAP® T543
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±10%
Voltage - Rated:	16V
Type:	Molded
ESR (Equivalent Series Resistance):	65 mOhm @ 100kHz
Operating Temperature:	-55°C ~ 105°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):	0.122" (3.10mm)
Lead Spacing:	--
Manufacturer Size Code:	D
Ratings:	COTS
Features:	High Reliability

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Introduction

Tantalum–polymer capacitors are a type of tantalum electrolytic capacitor that typically combines a porous tantalum anode with a solid polymer electrolyte using a modified foil construction process. This type of capacitor typically offers several advantages over traditional tantalum capacitors, including significant size and weight savings, a higher volumetric efficiency, an improved equivalent series resistance (ESR), and a lower cost.

Application Field

T543D476K016AHW065D100 is a highly-rated tantalum–polymer capacitor in a molded SC case designed for use as a general purpose capacitor in applications such as audio and power systems, as well as in cellular phones, computers, automotive, communications, navigation, and other electronic equipment.The capacitor is rated at a maximum temperature of 85°C (105°C with the appropriate derating) and a maximum voltage of 4V, making it suitable for use in many commercial and industrial electronic applications.

Working Principle

Tantalum–polymer capacitors operate in a similar manner to traditional electrolytic capacitors. The porous tantalum anode acts as a cathode, while a solid polymer electrolyte acts as an anode. When a voltage is applied, the electrolyte ions are attracted to the anode, forming a conductive bridge between the two electrodes. This bridge enables charge to flow between the electrodes. The most significant difference between tantalum–polymer capacitors and traditional electrolytic capacitors is how the electrolyte is used. Whereas traditional electrolytic capacitors use an aqueous electrolyte, the electrolyte in tantalum–polymer capacitors is a solid polymer, which allows the capacitor to offer a number of advantages.The solid electrolyte provides a higher volumetric efficiency, meaning the capacitor can store more charge in a smaller volume. The solid electrolyte also prevents ions from diffusing into the anode, leading to a lower equivalent series resistance (ESR), and a more stable capacitance. The absence of an aqueous electrolyte also makes tantalum–polymer capacitors smaller and lighter than traditional electrolytic capacitors.In addition, the solid-state nature of tantalum–polymer capacitors makes them more resistant to high temperatures, shocks, and vibration. This makes them particularly well-suited for use in applications such as automotive and communications where temperatures, shocks, and vibration are more likely to occur.

Conclusion

T543D476K016AHW065D100 is a highly-rated tantalum–polymer capacitor in a molded SC case designed for use as a general purpose capacitor. It offers a number of advantages over traditional electrolytic capacitors, including a higher volumetric efficiency, a lower equivalent series resistance (ESR), a smaller size and weight, as well as superior durability. The capacitor is suitable for use in many commercial and industrial electronic applications, such as audio and power systems, cellular phones, computers, automotive, communications, navigation, and other electronic equipment.

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