TAJA335M020RNJ

Series:	TAJ
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	3.3µF
Tolerance:	±20%
Voltage - Rated:	20V
Type:	Molded
ESR (Equivalent Series Resistance):	4.5 Ohm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Height - Seated (Max):	0.071" (1.80mm)
Lead Spacing:	--
Manufacturer Size Code:	A
Features:	General Purpose
Failure Rate:	--

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Tantalum Capacitors

Tantalum capacitors, also referred to as Ta caps, are a form of electrochemical type capacitors that are primarily composed of tantalum metal and a barrier layer of either tantalum pentoxide or niobium pentoxide. Tantalum capacitors are one of the most reliable capacitors on the market due to their superior ability to handle extreme temperature and voltage ranges, low leakage currents, and long service life. They are also highly resistant to vibration and shock, making them ideal for applications in extreme environments.The TAJA335M020RNJ is a popular tantalum capacitor that is a surface-mount component (SMD) intended for use in applications involving low-voltage and high-current. It is a non-polarized, monolithic, solid-state device with a case size of 3.5 mm x 2.0 mm. The TAJA335M020RNJ has a rated voltage of 16 V and a capacitance of 33 μF. This device is lead-free and complies with the Restriction of Hazardous Substances (RoHS) directive.

Application Field

Tantalum capacitors are commonly used in applications that require long-term performance, such as high-performance electronics, automotive and embedded systems. Due to their high reliability, low self-discharge capability, and low leakage current, tantalum capacitors are ideal for use in automotive systems, high-speed logic circuits, telecommunications, and medical applications.The TAJA335M020RNJ is designed to meet the demands of automotive and embedded systems that require high-current and low-voltage applications. In automotive applications, this device can be used to reduce noise and stabilize the power supply in automotive engine control ECUs, body control modules, and other automotive electrical systems. In embedded systems, it can be used to filter noise from power supplies, ensure smooth power supply operation, and provide transient protection in applications that require low voltage and high current.

Working Principle

Tantalum capacitors work by generating an electric field between two metal plates that are separated by a dielectric material, typically a thin layer of tantalum pentoxide. The two plates are made of tantalum metal and form the positive and negative terminals of the device. When an electrical voltage is applied to the terminals, an electric field is created between the plates, causing positive ions in the tantalum pentoxide layer to migrate toward the negative terminal, forming a layer of charges. As the voltage increases, the charge density on the negative terminal will also increase, creating a negative electric field that is also drawing further positive charges, forming an increasing layer of positive charge.The resulting charge on either side of the dielectric layer forms a capacitor that stores a certain amount of electrical energy. The value of the capacitance is directly proportional to the size of the metal plates, the distance between the plates, and the dielectric constant of the material used. As such, by varying the sizes, distances, and material dielectrics, capacitance values for different capacitors can be achieved.When a voltage is applied to the terminals, the plate on the negative side experiences a buildup of negative charges, while the plate on the positive side experiences a buildup of positive charges. As the charge on both plates builds up, it creates an electric field between the two plates, and this electric field is the source of the capacitor’s energy storage. Tantalum capacitors are well suited for applications requiring low-voltage and high-current, as they are capable of withstanding high voltages and have low leakage currents. Furthermore, they have excellent temperature stability and long service life. The TAJA335M020RNJ is a popular device that is suitable for these types of applications, as it has a rated voltage of 16 V and a capacitance of 33 μF.

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