CWR26HH106MCFB\HR

Series:	Military, MIL-PRF-55365/13, CWR26
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	10µF
Tolerance:	±20%
Voltage - Rated:	15V
Type:	Conformal Coated
ESR (Equivalent Series Resistance):	667 mOhm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
Mounting Type:	Surface Mount
Package / Case:	2214 (5634 Metric)
Size / Dimension:	0.220" L x 0.135" W (5.59mm x 3.43mm)
Height - Seated (Max):	0.085" (2.16mm)
Lead Spacing:	--
Manufacturer Size Code:	F
Features:	Military
Failure Rate:	C (0.01%)

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Introduction to Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are a form of electrolytic capacitors possessing especially wide bandwidths, high capacitance values, and stable ohmic values. This type of capacitor is constructed upon a tantalum base and surrounded by a tantalum pentoxide dielectric, an oxide layer providing a very high dielectric strength. In comparison, all other types of capacitors feature dielectrics of low dielectric strength, allowing for more leakage current.Essentially, a tantalum capacitor works on the same principle as any other capacitor, i.e. it serves to store and maintain energy. Upon discharging, charging and then discharging again, electricity is allowed to flow into and out from between the two separate conductive plates, the so-called electrodes. While other types of capacitors are mainly made up of dry paper dielectrics or aluminum foils, tantalum capacitors feature a special set-up of a tantalum pellet encased in a solid dielectric that is as thin as a few layers of atoms. This unique formation enables tantalum capacitors to deliver higher capacitance values, which are typically in the range of picofarads (pF) to milli-farads (millifarads, mF).

Application of Tantalum Capacitors

Tantalum capacitors are widely utilized in many industries such as medical electronics, automotive electronics, commercial appliance systems, industrial instrumentation, and telecommunications.Their robust build makes them highly reliable and suitable for applications in highly humid and high temperature environments.In the medical field, tantalum capacitors are often used in defibrillators, pacemakers, hearing aids, and other medical electronics. In the automotive industry, they are employed in starters, alternators, and electronic control units (ECUs). In commercial appliance systems, tantalum capacitors can be found in TV sets, refrigerator motors, printer drivers, and switching power supplies. In industrial instrumentation, they are employed in pressure sensors, electronic flow meters, and high voltages AC to DC switches. Finally, in telecommunications, they are found in satellite systems, base stations, and cellular phones.In addition to their wide applications, the other qualities of tantalum capacitors that make them highly sought after are their superior voltage efficiency and stability. When compared to ceramic capacitors, the higher voltage that can be used in tantalum capacitors give rise to a much longer lifetime. Moreover, their unique shape and thin film structure also aid in providing very good heat dissipation and insulation of the capacitance element.

Working Principle of CWR26HH106MCFB\HR

The CWR26HH106MCFB\HR is a tantalum capacitor designed for use in a variety of electronics applications. This device consists of a tantalum pellet, typically made from magnesium dioxide, encased in a thin film dielectric, or oxide layer, which is typically of tantalum pentoxide. The oxide layer provides a very high insulation resistance resulting in high capacitance and stability of the capacitor.In operation, electricity is allowed to flow between the electrodes, thus charging and discharging the capacitor. This process creates a differential in charge between each electrode, resulting in a capacitance value that holds energy until it is discharged. This capacitance value is determined by the amount of charge on each electrode and distances between them.The CWR26HH106MCFB\HR has a wide capacitance range from 1pF to 22uF and is designed to operate in temperatures up to 125°C. Its temperature coefficient is -5500ppm/℃ and its ESR is 4.4mΩ @125℃. The device is also available in an array of package sizes from 1206 and 0805 chip size, to larger B and XG packages.

Conclusion

Thus, tantalum capacitors, such as the CWR26HH106MCFB\HR, are renowned for their robust build, superior performance, high capacitance, and ability to withstand high temperature and humidity. Their wide array of applications in various industries include medical electronics, automotive electronics, commercial appliance systems, industrial instrumentation, and telecommunications, and have made them popular and widely used in various electronics and electrical circuits.

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