CWR26HB107JCHB\PR

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	C (0.01%)
Features:	Military
Manufacturer Size Code:	H
Lead Spacing:	--
Height - Seated (Max):	0.125" (3.17mm)
Size / Dimension:	0.285" L x 0.150" W (7.24mm x 3.81mm)
Package / Case:	2915 (7338 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-55365/13, CWR26
ESR (Equivalent Series Resistance):	180 mOhm
Type:	Conformal Coated
Voltage - Rated:	15V
Tolerance:	±5%
Capacitance:	100µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Tantalum capacitors are a type of electrolytic capacitors using tantalum as its anode material. They are mostly encountered in commercial printed circuit boards, and also surface mount applications. CWR26HB107JCHB/PR is a series of capacitors manufactured by Panasonic Corporation. They offer exceptional performance in general electronics applications. This article will outline the application fields, as well as the working principles behind these devices.

Application Field

Tantalum capacitors are widely used in both digital and analog circuits. In digital circuits, they are commonly used as decoupling capacitors, power supply smoothing capacitors, timing capacitors, clock conditioning and filtering capacitors. In analog circuits, they are used as coupling/decoupling capacitors, AC signal filtering capacitors, high-frequency by-pass capacitors, and patient line isolation capacitors. In addition, CWR26HB107JCHB/PR series are used in general electronics applications, such as aerospace, telecommunications, and automotive. For example, they can be used as main coupled filtering capacitors, input/output buffer matching capacitors, or power supply damping capacitors.

Working Principle

Tantalum capacitors are polarized devices, so the correct voltage must be applied to maintain reliable operation. This means that the positive terminal must be connected to the positive voltage, while the negative terminal must be connected to the negative voltage. Inside, the capacitor is made up of a tantalum powder-filled solid tantalum core, an electrolytic interface layer, and an electrolyte-filled dielectric. When a voltage is applied across the capacitor, it causes the interface layer to react with the tantalum powder, which forms an insulating oxide layer. This oxide layer acts as the dielectric, and a charge storage layer is produced across it, allowing electrons to be stored in the device.

Conclusion

Tantalum capacitors, such as the CWR26HB107JCHB/PR series, are a type of electrolytic capacitor that uses tantalum as its anode material. They offer exceptional performance in general electronics applications and are widely used in digital and analog circuits. Furthermore, these capacitors are polarized devices, and care must be taken to ensure the correct voltage is applied in order to maintain reliable operation.

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