M550B688M008AH

Operating Temperature:	-55°C ~ 105°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.520" (13.20mm)
Size / Dimension:	2.051" L x 1.992" W (52.10mm x 50.60mm)
Package / Case:	M55 Module
Mounting Type:	Chassis Mount
Lifetime @ Temp.:	2000 Hrs @ 85°C
Series:	M55
ESR (Equivalent Series Resistance):	15 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	8V
Tolerance:	±20%
Capacitance:	6800µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum - Polymer Capacitors

Tantalum-polymer capacitors are modern-day components, and their use is increasing with each passing day. This type of capacitors is usually used in demanding industrial and commercial applications that require reliable and low-cost high-performance components. The M550B688M008AH is one such a tantalum-polymer capacitor, and in this article, we will explore its application field and working principle.

Construction and Design

The M550B688M008AH is an SMD-style (Surface Mount Device), chip-type capacitor, meaning that it is a very small and discreet component. Its size is 5.4mm x 4.8mm x 1.6mm and it has an electrolytic construction, with an anode made out of Tantalum, and a Cathode formed by a conductive polymer. This capacitor can withstand voltage up to 6.3V and supplies capacitances of 0.0068F.

Application Field

The M550B688M008AH has been designed to fulfill a wide range of surge protection and filtering applications. Thanks to its miniature size, it can be easily fitted into almost any modern-day circuit, such as automotive applications, industrial control boards, and portable devices. The special anode design, which increases the reliability of Tantalum capacitors, makes the M550B688M008AH capable of withstanding the surge voltages and intermediate current peaks that occur in very demanding applications. Moreover, its small size allows it to be used in high-density layouts and portable electronics, making it the perfect choice for battery-powered or rechargeable devices.

Working Principle

The M550B688M008AH capacitor works just like any other capacitor. Its construction allows for a capacitive reaction to occur, meaning that when a voltage difference is established across the capacitor’s terminals, an electric field will be generated in the space between them. This electric field causes an accumulation of charge on the capacitor’s plates, and it is then discharged when the voltage difference is removed. This capacitor works well for applications that require low ESR values, such as filtering audio signals, because the polymer cathode tends to have lower series resistance than standard tantalum capacitors. The capacitor is also capable of withstanding higher ripple currents than other traditional components. Finally, the low capacitance of the M550B688M008AH, combined with its minimal form-factor and size, makes it suitable for a variety of consumer electronics applications.

Conclusion

In conclusion, the M550B688M008AH tantalum-polymer capacitor is a modern-day component that is suitable for a wide range of demanding applications, due to its robust construction, miniature form-factor, and low ESR values. It can be used in surge protection and filtering tasks of consumer electronics and automotive circuits, as well as industrial projects and portable devices. Its working principle is like any other capacitor, in that it uses an electric field to generate a charge that is then discharged when the voltage difference is removed. Therefore, the M550B688M008AH is the perfect solution to any filtering or protection task.

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