M39003/01-7155/HSD

Lifetime @ Temp.:	--
Failure Rate:	C (0.01%)
Features:	Military
Ratings:	--
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.135" Dia x 0.286" L (3.43mm x 7.26mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Series:	Military, MIL-PRF-39003/1, CSR13
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	50V
Tolerance:	±20%
Capacitance:	0.047µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Tantalum Capacitors

Tantalum capacitors are an important type of capacitor used for various applications in electronic circuits, such as filtering and decoupling, and are increasingly becoming a reliable and cost-effective technology for higher capacitances in smaller sizes. Examples of tantalum capacitors is the M39003/01-7155/HSD series, which are molded miniature multiple capacitors with an isolation voltage rating of 7.5 KV and a capacitance of up to 2,200 microfarads.

M39003/01-7155/HSD Application Field

The M39003/01-7155/HSD series of tantalum capacitors are designed for use in space-constrained applications, as its construction is based on the latest advancements in miniature capacitor technology. The capacitors have a size range of 3.2 mm x 2.5 mm to 9.8 mm x 6.5 mm, and a voltage rating up to 64 volts. It is suitable for a wide range of applications such as military, telecommunications, automotive, medical, power supply, and marine.

Working Principle

The capacitors are based on the principle of electrostatic charge, where one of the capacitor’s electrodes picks up the charge on the capacitor’s terminal and passes it to the second electrode. This produces an electrical field across the dielectric material, which in turn stores the energy as an electric charge. The M39003/01-7155/HSD capacitors are based on this same principle and feature a cylindrical construction made up of tantalum anode, dielectric solution, and a cathode. This structure gives them a high capacity for their size, low audible leakage current, and low ESR (Equivalent Series Resistance).

Advantages

The M39003/01-7155/HSD capacitors provide several advantages compared to conventional electrolytic capacitors. First, they are smaller in size and lower in profile for use in constrained applications. Second, they provide a higher dielectric strength and capacitance in a given space. Third, they have a high ripple current that allows them to handle more current in harsh environments. Fourth, they have a low ESR that provides greater efficiency and performance in circuit applications. Fifth, they are less prone to production-related variation in capacitance compared to electrolytic capacitors.

Disadvantages

Despite their advantages, the M39003/01-7155/HSD capacitors also have some drawbacks. First, they are susceptible to damage from temperature changes and moisture. Second, their leakage current is higher than that of electrolytic capacitors; thus, they should not be used in high-frequency applications. Third, their construction requires a careful design to ensure compatibility with other circuit components. Fourth, they are more expensive than conventional electrolytic capacitors.

Conclusion

The M39003/01-7155/HSD series of tantalum capacitors can be used in many applications due to their size and voltage ratings. Their advantages include high capacitance, low ESR, high ripple current, and less susceptibility to production-related variation. However, their drawbacks include susceptibility to temperature and moisture damage, limited frequency capability, careful design considerations, and high cost.

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