F931A476MBA Capacitors

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.091" (2.30mm)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Package / Case:	1411 (3528 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	--
Series:	F93
ESR (Equivalent Series Resistance):	1 Ohm
Type:	Molded
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum capacitors are a type of electrolytic capacitor. They are characterized by their small size, high capacitance, long operational life and low leakage current. The F931A476MBA is a professional tantalum capacitor that offers a unique combination of features. This article will explore the application field and working principle of the F931A476MBA.Application FieldThe F931A476MBA tantalum capacitors are used in a variety of applications, such as power supplies, automotive, telecom, audio-video, amplifier stages, processor-based circuits, and portable electronics. They are also used in mobile and home appliances, as well as medical and communication equipment. Due to their small size and high capacitance, they are particularly useful for miniature circuit designs, where space is limited.Working PrincipleThe F931A476MBA is a non-polarized, tantalum capacitor. Like other non-polarized capacitors, the F931A476MBA functions in two ways – as an energy reservoir and as a circuit element.As an energy reservoir, the capacitor temporarily stores electrical charges and provides a source of energy for the circuit. As a circuit element, it facilitates current flow and blocks high-frequency electrical signals.The F931A476MBA is constructed of two electrodes – a tantalum anode and a manganese dioxide cathode – that are separated by an insulating material (dielectric). When the capacitor is exposed to an applied voltage, surface oxides form on the cathode, causing a thin layer of insulation to grow between the two electrodes. The capacitor stores electrical charges until the dielectric reaches its rated practical limit, at which point it fails.The F931A476MBA has a rated capacitance of 4.7 microfarads, with a voltage range of 16V - 100V. It has an industry-standard lead spacing of 5mm, and is 19mm in size. Its rated operational life is 2000h at 70°C, and its insulation resistance is 100MOhm @ 500VDC.ConclusionThe F931A476MBA is a miniature, non-polarized, tantalum capacitor designed for use in applications where space is limited. It is used in power supplies, automotive, telecom, audio-video, amplifier stages, processor-based circuits, and portable electronics, as well as medical and communication equipment. It is capable of temporarily storing electrical charges and blocking high-frequency signals, and has an operational life of 2000 hours.

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