T550B686M030AH4251

Operating Temperature:	-55°C ~ 105°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.281" Dia x 0.641" L (7.14mm x 16.28mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	2000 Hrs @ 85°C
Series:	T550
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	30V
Tolerance:	±20%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum - Polymer Capacitors have become a popular choice for many people in a wide range of applications. The T550B686M030AH4251 (hereinafter referred to as “T550”) is a great example of a tantalum - polymer capacitor and is often used in industries from automotive to avionics. In this article, we look at the application fields and working principles for this popular capacitance device.Application FieldsT550 capacitors can be used in a wide variety of application environments, from automotive to telecommunication to avionics. For automotive use, the T550 devices are used in airbag triggers and anti-lock brakes. In the telecommunications sector, the T550 devices can be used in fax machines, VoIP equipment, and mobile phones. Finally, in the field of avionics, T550 capacitors are used in basic flight management systems and sophisticated navigational systems.In addition to automotive, telecommunication, and avionic applications, T550 capacitors are also commonly used in medical equipment, gaming consoles, and home audio systems. They are also highly suitable for decoupling applications thanks to their low ESR and high capacitance values.Working PrinciplesT550 capacitors use the tantalum - polymer technology to achieve a robust, high-performance capacitance device. This technology uses layers of tantalum and polymer film to create a construct with high dielectric strength and low ESR ratings. The polymer layers also provide for a much larger capacitance range than devices based on tantalum oxide technology. The T550’s capacitance is determined by the size and number of the dielectric layers; the larger the size and the greater the number of layers, the higher the capacitance will be. The layers also determine the breakdown voltage of the capacitor, which can be up to 420V. The internal construction of these devices also results in low heat dissipation, which means that the capacitor can be used in very high-power applications.ConclusionThe T550B686M030AH4251 is a popular choice for many industries due to its versatile capacitance range, low ESR ratings, and high breakdown voltage ratings. On top of that, the tantalum - polymer technology used in this device results in excellent heat dissipation, making the T550 ideal for high-power applications. Thanks to these features, the T550 capacitors can provide reliable performance in a wide range of applications from automotive to telecommunications and avionics.

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