M39003/03-4063H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	D (0.001%)
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-39003/3, CSR23
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	20V
Tolerance:	±10%
Capacitance:	180µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors: M39003/03-4063H Application Field and Working PrincipleTantalum capacitors are an important type of chip-type capacitor that is equipped with a long life and high reliability. They are widely used in electronic circuits with high frequency and low voltage, such as mobile phones, MP3 players and digital cameras. The M39003/03-4063H is a type of tantalum capacitors developed and produced by Nexperia. This article is aimed to introduce the application field and working principle of the M39003/03-4063H capacitors.The M39003/03-4063H is a chip-type capacitor with a metallic housing. It’s smaller size and low profile make it well-suited for applications in high-density board assemblies. The capacitors are suitable for industrial and telecom applications such as power supplies, regulators, filters, and switching power supplies. The operating temperature range of this capacitor is from -55°C to +125°C and it can tolerate up to 125°C for up to 10 minutes. The M39003/03-4063H is capable of handling currents up to 5.1A for up to 1000 hours. It is available in a surface mount package with a size of 0.4 mm x 0.4 mm x 0.43 mm.The M39003/03-4063H is a multi-anode, multi-layer, non-polarized capacitor. The multi-anode design allows rated capacitance values up to 80 μF with a breakdown voltage rating up to 6V. The arrangement of the two anodes in the M39003/03-4063H allows for two sizes of capacitor elements to be placed side by side enabling higher capacitance values than traditional non-polarized capacitors. The multi-layer structure also allows for increased capacitance-to-volume ratios and improved heat dissipation. The non-polarized design (contrary to typical polarized designs) provides the advantage of higher resistance to ripple current in high frequency applications and increased robustness against reverse polarity in applications such as automotive.The ability of the M39003/03-4063H capacitors to maintain high capacitance values and excellent high frequency characteristics is based on the working principle of a tantalum capacitor. A tantalum capacitor consists of an anode and a cathode separated by an electrolytic solution. The electrolytic solution acts as a dielectric, allowing the anode and cathode to assume a negative and positive charge, respectively. When a voltage is applied across the capacitor, a current flows between the anode and cathode and an electrochemical effect occurs at the anode. This causes an electrolyte film to form on the anode which helps to enhance the capacitance and lower the equivalent series resistance (ESR) of the capacitor. As more voltage is applied, the electrolyte film thins and an internal oxide layer forms around the anode and cathode which causes the capacitance to drop.In conclusion, M39003/03-4063H capacitors offer many advantages such as small size, high capacitance, excellent high frequency characteristics, and long life. The combination of its different anode and cathode materials allows for a stabilized performance in electrolytic environments. Its non-polarized design offers improved robustness for reverse polarity and high frequency applications. The working principle of the M39003/03-4063H is based on the unique design of the tantalum capacitor where an anode and cathode are separated by an electrolytic solution. Through this, excellent capacitance and ESR are achieved even in extreme temperature and voltage conditions. The M39003/03-4063H is therefore an ideal capacitor for numerous high frequency applications.

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