TR3A685M010C3000

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Package / Case:	1206 (3216 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	--
Series:	TANTAMOUNT®, TR3
ESR (Equivalent Series Resistance):	3 Ohm
Type:	Molded
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	6.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors are widely used in all kinds of electronics products for their superior electrical performance, allowing for smaller size and weight, as well as increased frequency response. The device in question is the TR3A685M010C3000, a surface mount capacitor. In this article we will look at the application field and working principle of this tantalum capacitor.

Applications

The TR3A685M010C3000 is a high-density surface mount electrically conductive polymer SMD capacitor designed for various portable electronic equipment applications. The device has a wide voltage range of 3V to 10V and a capacitance range of 9nF to 10F. Due to its low mild resonance impedance and low ESR technology, the device allows a high frequency response, making it suitable for use in high-bandwidth and high-frequency applications. The device can also withstand a maximum voltage rating of 16VDC.The capsule-type housing of this device makes it suitable for various board assembly design requirements, and its high-density SMD design allows for a large number of devices to be connected in different configurations. Overall, this device ensures superior electrical performance for a wide range of applications, such as consumer electronics products, commercial/telecom equipment, automotive electronics, and industrial control products.

Working Principle

Tantalum capacitors are electrolytic capacitors. They are constructed with porous tantalum anodes and cathodes with a special electrolyte solution sandwiched in between them. The electrolyte solution acts as the dielectric between the two electrodes, and its properties determine the characteristics of the component.The tantalum anodes have a thin dielectric oxide film on them which acts like an insulator. This film can be either a tantalum pentoxide film or an oxynitride layer. The thickness of the dielectric layer determines the capacitance of the component. The greater the capacitance, the thicker the dielectric oxide layer is. Since the oxide film has a low dielectric constant, it makes the component an ideal choice for high frequency applications. The component consists of two electrodes, a conductive electrolyte solution and an insulating dielectric layer between them. The component is polarized so that current can flow through it in one direction only. When a voltage is applied, a current flows through the capacitor. This causes an electrical charge to accumulate on the anode which attracts positively charged ions from the electrolyte solution. As more charge accumulates, the attractive force becomes greater and the ions are drawn through the liquid to the anode. At the same time, electrons are ejected from the cathode as they are attracted to the anode. The process continues until the voltage across the component is equal to the voltage applied. Upon reaching the capacitance, the ions stop flowing and the capacitor stops charging. The device reaches its maximum capacitance with the dielectric oxide layer forming a thick, impenetrable barrier between the two electrodes.

Conclusion

The TR3A685M010C3000 is a surface mount electrolytic capacitor suitable for a wide range of applications due to its low ESR, mild resonance and ultra-high frequency response. The component is ideal for use in high-bandwidth and high-frequency applications due to its low dielectric constant and its ability to withstand a maximum voltage rating of 16VDC. The component’s capsule-type housing also enables a variety of board assembly design requirements. Overall, the TR3A685M010C3000 is an ideal component for most high-end electronic circuit designs.

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