M39003/09-0249

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	R (0.01%)
Features:	Military
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.351" Dia x 0.786" L (8.92mm x 19.96mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/9, CSR21
ESR (Equivalent Series Resistance):	85 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	20V
Tolerance:	±10%
Capacitance:	82µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum capacitors are an important form of electrical component used in electronics. They are composed of two dielectric layers separated by a thin layer of tantalum powder. The positive terminal is made from an electron-emitting material- typically tantalum oxide. The negative terminal is made of conducting material such as carbon or titanium.The M39003/09-0249 is a high-performance tantalum capacitor developed for general-purpose applications. It is rated for voltages up to 10VDC and consists of a single anode formed by a nickel-plated tantalum metal case surrounding a tantalum pentoxide powder (Tantalum pentoxide is an electrically active form of tantalum with a higher dielectric constant than other oxide forms).The M39003/09-0249 is particularly suitable for signal filtering, decoupling, and power supply applications because it combines a high capacitance-to-volume ratio with a high equivalent series resistance. Its dielectric properties also make it ideal for relatively low frequency switching applications.As for the application field, the M39003/09-0249 capacitor is suitable for many devices such as mobile phones, computers, PDA, radio and TV sets, transmitting and receiving equipment, and power grids. It is mainly used in areas such as storage, buffering, signal attenuation, signal filtering and capacitance-coupling in circuit design.The working principle of the M39003/09-0249 tantalum capacitor is to store and release electrical charge. This is done by its two plates, one of which is the anode and the other the cathode. An electric current flows between them when a voltage is applied across the plates, causing electrons to move from the anode to the cathode. The capacitor stores the charge in the form of an electric field between the plates. When the plates are discharged, a reverse current flows from the cathode to the anode, transferring the charge to the circuit.The capacitance of the capacitor is determined by the material of the plates, the distance between them, and the area of the plates. The greater the area and the closer the plates, the higher the capacitance. Furthermore, the electrostatic property of the material of the plates also influences the capacitance.To sum up, the M39003/09-0249 is a high-performance tantalum capacitor that is suitable for general-purpose applications. It is often used in mobile phones, computers, PDA, radio and TV sets, transmitting and receiving equipment, and power grids. It stores and releases electrical charge by the electric current that flows between its two plates. The capacitance of the capacitor is determined by the material of the plates, the distance between them, and the area of the plates.

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