M39003/09-0212/TR

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	R (0.01%)
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:	Tape & Reel (TR)

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Introduction

Tantalum capacitors are an important form of capacitor banks that are primarily used in electronic circuits for power conditioning, filtering, and signal processing applications. The M39003/09-0212/TR is an advanced polymeric tantalum capacitor from Kemet Corporation, and offers several advantages such as increased reliability and improved performance. This article will discuss its application fields and working principles.

ApplicationFields

M39003/09-0212/TR are generally used in military and space applications where very high temperatures and stresses are encountered. The capacitors’ polymeric construction enables them to withstand extreme temperature ranges (-55C up to +125C) with low leakage current, high capacitance values, and lower ESR values compared to conventional tantalum capacitors. The M39003/09-0212/TR capacitors also have a wide range of application such as:

• High-reliability DC-DC converters
• High temperature military and space applications
• AC switching power supplies
• Resonant converters
• Power factor correction
• Battery backed applications
• Energy storage
• High frequency switching

Working Principle

M39003/09-0212/TR polymeric capacitors employ a unique thermo-stabilized, moisture-resistant polymeric dielectric that provides exceptionally low ESR values and high volumetric capacitance in a very small size. The capacitors are extremely robust and can handle extreme temperature ranges from -55C up to +125C.At the heart of the M39003/09-0212/TR capacitor is a highly reliable tantalum anode. The anode is relatively insensitive to contamination and is also less susceptible to electrical and mechanical shocks that would damage other types of capacitors. The anode is a porous tantalum oxide film,which defines the capacitance and leakage current of the capacitor.The M39003/09-0212/TR capacitors feature an integrated epoxy/tantalum electrolyte which eliminates the need for a separate electrolytic system. The anode and the electrolyte are housed in a two-piece molded case for superior vibration resistance. The case material is polyphenylene sulfide (PPS) which offers superior insulation, temperature and vibration resistance. The construction of M39003/09-0212/TR polymeric capacitors result in superior electrical characteristics. Thanks to their monomeric construction, these capacitors are able to provide significantly lower ESR values compared to conventional tantalum capacitors. In addition, their polymeric construction ensures better self-healing capabilities such as a greater tolerance to shock and vibration.

Conclusion

M39003/09-0212/TR is an advanced polymeric tantalum capacitors from Kemet Corporation. These capacitors offer several significant advantages over conventional tantalum capacitors such as increased reliability and improved performance. Its application fields include high-reliability DC-DC converters, high temperature military and space applications, AC switching power supplies, resonant converters, power factor correction, battery backed applications, energy storage, and high frequency switching. The M39003/09-0212/TR capacitors employ a thermo-stabilized, moisture-resistant polymeric dielectric that provides low ESR values and high volumetric capacitance in a very small size. The anode and the electrolyte are housed in a two-piece molded PPS case for superior vibration resistance, providing the capacitor with superior electrical characteristics and reliability.

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