Series:	Military, MIL-PRF-39003/1, CSR13
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	33µF
Tolerance:	±10%
Voltage - Rated:	20V
Type:	Hermetically Sealed
ESR (Equivalent Series Resistance):	--
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
Mounting Type:	Through Hole
Package / Case:	Axial
Size / Dimension:	0.289" Dia x 0.686" L (7.34mm x 17.42mm)
Height - Seated (Max):	--
Lead Spacing:	--
Manufacturer Size Code:	C
Features:	Military
Failure Rate:	B (0.1%)

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Tantalum Capacitors

M39003/01-6088/98 Application Field and Working Principle

Tantalum capacitors are one of the most popular type of capacitor on the market today. They are a type of electrolytic capacitor with an anode and cathode each made of a different type of tantalum. The anode is made of pure metal. The cathode is metal coated with electrolyte solution.  Tantalum capacitors are used in many commercial, industrial, and consumer electronic devices because they are relatively inexpensive, reliable, and have a wide range of characteristics that make them suitable for specific functions.Tantalum capacitors are typically used in commercial, industrial and consumer applications because of their characteristics, such as a high capacitance, low equivalent series resistance (ESR), low voltage drop, long life, and high energy storage capacity. They are widely used in microprocessors, regulated power supplies, and automotive and LED lighting systems, and communications and satellite systems.The applications of tantalum capacitors range from small signal, low power, high current applications, to power supplies, digital clocks, multiplexers, memory modules, and power amplifiers. They are used in devices that require energy storage, such as motor drives, high-speed switching, and motor-control circuits where they provide high electrical surge protection, low temperature-coefficient, and low ESR characteristics. In RF amplifiers and digital signal processing (DSP) devices, they are used for impedance matching and energy storage.How do they work? When a voltage is applied to a tantalum capacitor, an electric field is created around its electrodes. This electric field accumulates electrons in the anode and holes in the cathode, also known as the “electronic double layer”. The double layer of accumulated charges stores energy in the form of an electric potential and helps reduce the impedance across the capacitor, providing the capacitor with a low ESR. The capacitance of a tantalum capacitor can range from 10µF to 500µF, depending on its physical size. It’s capacitance is also dependent on the diameter of the anode and the viscosity of the electrolyte solution.In addition to their capacitance and ESR characteristics, tantalum capacitors also have very good temperature characteristics. They are very stable over a wide temperature range and their capacitance remains relatively constant over a wide temperature range. This makes them ideal for use in applications where the temperature is expected to vary over a wide range.Tantalum capacitors are used in a wide variety of commercial, industrial, and consumer electronic devices and provide a reliable source of energy storage, a low ESR, and excellent temperature characteristics. They are relatively inexpensive and their performance characteristics make them an ideal choice for applications that require energy storage, impedance matching, and temperature stability.

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