M39003/09-2021/TR

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	B (0.1%)
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-39003/9, CSR21
ESR (Equivalent Series Resistance):	55 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	10V
Tolerance:	±10%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum capacitors are one of several types of capacitor used in electrical and electronic systems for various purposes. The M39003/09-2021/TR is a particular type of tantalum capacitor designed for use in specific applications. This article provides an overview of the application field and working principle of the M39003/09-2021/TR.

Application Field

The M39003/09-2021/TR is a tantalum capacitor that is used in a variety of applications in the electronics industry. It is mainly used in military applications where high reliability and performance are essential. This type of capacitor has a wide range of application including DC-DC converters, aerospace, defense, medical, and automotive electronics. The M39003/09-2021/TR offers a wide range of other features including excellent thermal and vibration stability, low ESR, and a long operating life.

Working Principle

Tantalum capacitors are based on the dielectric principle, where a dielectric material is placed between two conducting plates. When a voltage is applied across the two plates, a potential energy difference is created between them. This potential energy difference appears in the form of an electric field, and it is through this electric field that electrons can jump from one plate to the other. This exchange of electrons is what creates the charge storage capability of a capacitor, and the dielectric material in the M39003/09-2021/TR provides an even higher capacitance. The M39003/09-2021/TR is also unique in its stability, which is essential in certain applications. The combination of an extremely small, robust case size, an ultra-low ESR rate, and an extended temperature range of -55°C to +85°C guarantees high stability even in highly variable temperature and vibration environments.

Case Construction

The M39003/09-2021/TR is constructed from tantalum powder sealed in a resin case and both the face and back edges of the case are insulated to prevent any external electrical leakage. The cases are designed to be as strong and durable as possible, and undergo stringent quality control testing to ensure they meet the highest standards of performance. This is important as the capacitor needs to be able to withstand the varying conditions of its application.

Performance and Safety

The M39003/09-2021/TR provides excellent performance, courtesy of its low equivalent series resistance ratings and its high operating temperature range. The high temperature and low ESR ratings reduce the risk of capacitor failure, while the low inductance and high capacitance mean it can provide better power retention during power fluctuations. The voltage ratings of the M39003/09-2021/TR also offer high-voltage protection to keep components in any application safe. In terms of safety, the M39003/09-2021/TR is designed to meet the highest industry standards. It meets UL1446 requirements and complies with RoHS regulations, offering excellent long-term reliability and safety to circuits. The capacitor also passes numerous tests to ensure its reliability and performance, including voltage, current, and overheat tests.

Conclusion

The M39003/09-2021/TR is a highly reliable and versatile type of tantalum capacitor that is suitable for a range of applications in the electronics industry, including military, aerospace, defense, medical, and automotive electronics. Its case construction ensures robustness and durability, while its performance and safety are all designed to comply with various industry standards. With its excellent thermal and vibration stability, long operating life, and good capacitance, the M39003/09-2021/TR is an ideal choice for any application requiring a robust, reliable, and consistent performance.

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