TAJR685K004RNJ

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	R
Lead Spacing:	--
Height - Seated (Max):	0.047" (1.20mm)
Size / Dimension:	0.081" L x 0.051" W (2.05mm x 1.30mm)
Package / Case:	0805 (2012 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	--
Series:	TAJ
ESR (Equivalent Series Resistance):	8 Ohm
Type:	Molded
Voltage - Rated:	4V
Tolerance:	±10%
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: TAJR685K004RNJ Application Field and Working Principle

Tantalum capacitors, also known as tantalum electrolytic capacitors, are an important type of capacitors in the electronics industry due to their high capacitance, high stability, long service life and small size. The TAJR685K004RN is an excellent example of a tantalum capacitor with a maximum rated voltage of 6.3VDC and is commonly used in various applications. This article will discuss the various application fields and working principles of the TAJR685K004RN tantalum capacitor.The TAJR685K004RN tantalum capacitor is broadly used in various applications due to its wide variety of features. It is primarily used in digital circuits and analog circuits for energy storage and signal filtering, such as in frequency discriminators, timers, and op-amp filters. It is also used in microcontroller applications, particularly in voltage regulators and power management circuits, due to its high capacitance which helps to smoothen varying power delivery ripples and ensure the circuit remains stable. Additionally, it can be used in charging circuitry, as its high capacitance can help to store and deliver currents and voltages up to a certain limit. When it comes to working principles, the TAJR685K004RN tantalum capacitor functions by using the principle of electrochemical capacitance. This principle states that when two plates are separated by an electrolyte material, they can store electric charge which is directly proportional to the voltage applied to the capacitor. In the TAJR685K004RN capacitor, the two metal plates are separated by a tantalum pentoxide (Ta2O5) layer which acts as an electrolyte material. The application of a voltage across the metal plates will cause electric charge to accumulate on the plate surfaces and this charge is known as the capacitance of the capacitor. In summary, the TAJR685K004RN tantalum capacitor is a common type of capacitor that is used in various digital and analog circuits due to its relatively high capacitance. Its main operating principle is based on the principle of electrochemical capacitance, wherein two metal plates are separated by an electrolyte material to store electric charge. Its high capacitance is especially useful for smoothening voltage ripples, delivering currents and voltages, and improving power management.

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