M39003/03-0112/HSD

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	M (1%)
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:	6V
Tolerance:	±20%
Capacitance:	680µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors

Tantalum capacitors, or tantalum electrolytic capacitors, are linear capacitors which are a type of electrolytic capacitor. They are constructed with a tantalum oxide anode and a means of forming a cathode of tantalum powder, electrode lead wire, and electrolytic solution which is then impregnated into a permeable dielectric material and then soldered into the capacitor. M39003/03-0112/HSD is an example of this type of capacitor. Its application field and working principle can be found below.

Application Field & Working Principle

M39003/03-0112/HSD is a type of surface mount tantalum capacitor. It is generally used for board-level electronics because of its small size and lead-free termination. It is also widely used in military, high frequency, and telecom applications because of its high temperature ratings and long-term reliability.

Principle of Operation

The basic principle of operation for tantalum capacitors is that of an electrolytic capacitor. An electrolyte is placed between two electrodes and a voltage is applied between them, forming an electrical double layer. This double layer is held in place by the attraction of the charge carriers in the electrolyte. The capacitance of the capacitor is determined by the area of the electrodes, the voltage applied, and the dielectric strength of the electrolyte. The unique feature of tantalum capacitors is their self-healing capability, which ensures that, even if the capacitor fails and the dielectric breaks down, the small particles which form as a result of the breakdown (called "whiskers") can still allow current to pass through them and effectively seal the gap.

Features & Advantages

The main features and advantages of M39003/03-0112/HSD include: • Low leakage current • Long-term reliability • High temperature ratings • Excellent frequency characteristics • Low ESR M39003/03-0112/HSD is also highly resistant to vibration and shock, making it well suited for use in automotive, aerospace, and other applications where vibration and shock can be factors.

Disadvantages

While M39003/03-0112/HSD has a number of advantages, it does have some disadvantages as well. • It is relatively expensive compared to other types of capacitors • It is prone to "soft failure" caused by oxidation of the electrolyte • It is generally not suitable for ripple current applications

Conclusion

M39003/03-0112/HSD is a type of surface mount tantalum capacitor which is widely used in applications where vibration and shock resistance are a factor, such as automotive and aerospace applications. It has a number of features and advantages, such as low leakage current, long-term reliability, and high temperature ratings. However, it is relatively expensive compared to other types of capacitors, and is prone to "soft failure" caused by oxidation of the electrolyte.

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