M39003/09-0312/HSD

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	S (0.001%)
Features:	Military
Manufacturer Size Code:	C
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.289" Dia x 0.686" L (7.34mm x 17.42mm)
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:	10V
Tolerance:	±10%
Capacitance:	82µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Tantalum capacitors are widely used in various high performance applications requiring reliable capacitance and stability. Among the various types of capacitors, the M39003/09-0312/HSD capacitors are a special type of capacitors developed for use in aerospace, automotive, industrial, telecom and other applications. In this article, an overview of the application field and working principle of the M39003/09-0312/HSD capacitors is presented.

Application field

The M39003/09-0312/HSD is a type of electrolytic capacitor specially designed for applications demanding high reliability and stability. It is a high-temperature, low-impedance, low-ESR, general-purpose polyester-tantalum capacitor designed to meet the diverse requirements of aerospace, automotive, industrial, and telecom applications.The M39003/09-0312/HSD is a hermetically sealed capacitor with a tantalum core and a polyurethane insulator. Its flat and low profile design enables it to be used in compact and highly populated PCBs. It has excellent self-healing characteristics, making it a reliable and long-lasting capacitor in harsh environmental conditions. Its high temperature stability and low impedance make it a good choice for high performance and high reliability applications.

Working principle

The M39003/09-0312/HSD works on the principle of a passive linear electronic component. When a voltage is applied across its terminals, electric charge builds up on both sides of the capacitor. This causes current to pass through the capacitor, thus storing the energy and raising the voltage across its terminals. The TTL (Thin-film Tantalum Laminate) construction of the M39003/09-0312/HSD capacitors provides excellent tolerance and stability. The dielectric is a thin film of Alicante tantalum nitride (TaN) which provides good electrical insulation while offering a high reliability. The tantalum core provides the necessary electrostatic capacity to the device.The electrolytic material used in the M39003/09-0312/HSD is typically a manganese dioxide/ silver-palmosite oxide mixture which is then impregnated with a gel-like electrolyte. This electrolyte is responsible for providing the “wet” capacitance which is largely determined by the nature and composition of the electrolyte. The dielectric serves as the insulating member, preventing leakage. The construction of the M39003/09-0312/HSD is made such that the capacitance and ESR(Equivalent Series Resistance) values remain constant over time, thereby providing excellent reliability and capability when used in high performance environments.

Conclusion

The M39003/09-0312/HSD capacitor is an ideal choice for applications requiring high temperature stability, low impedance, and low-ESR. Its low profile and excellent self-healing characteristics make it a reliable and long-lasting capacitor in harsh environmental conditions. Its TTL construction, coupled with the excellent electrolytic material used, ensures excellent capacitance and ESR values over time. This makes the M39003/09-0312/HSD a good choice for high reliability and high performance requirements where reliability and stability is paramount.

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