T540B107K004BH8710WAFL

Operating Temperature:	-55°C ~ 125°C
Features:	High Reliability
Ratings:	COTS
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.083" (2.10mm)
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.:	2000 Hrs @ 125°C
Series:	KO-CAP® T540
ESR (Equivalent Series Resistance):	80 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	4V
Tolerance:	±10%
Capacitance:	100µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray - Waffle

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Tantalum – Polymer CapacitorsTantalum – polymer capacitors are long-term components used in various electronic applications. T540B107K004BH8710WAFL is one of the most common types of tantalum – polymer capacitors. Both its application field and working principle will be discussed in this article.T540B107K004BH8710WAFL are mainly used in industrial and military applications such as DC-DC converters and an airplane-grade electronics. Due to its high reliability, these capacitors are also widely applied in medical equipment, smart meters, automotive electronics and other high-end control systems.This kind of capacitor is made up of two electrodes which are usually made of a tantalum base metal, and an electrolytic polymer. The gold plated capacitor terminals fix the electrodes to the metal case for electrical connection and mechanical fixation. This ensures low insertion loss and high reliable performance.The capacitance and voltage capacity of the T540B107K004BH8710WAFL tantalum – polymer capacitors are determined by its material structure. Basically, this capacitor contains two parts: a tantalum anode triangular tape, and a thin-film solid organic electrolyte (cathode). During the charging process, while a positive voltage is applied to the tantalum anode, the electrons will flow onto the cathode and increase the capacitance of the capacitor. When the positive voltage is removed, the capacitance will start to decline gradually, until reaching a minimum level.The ESR (Equivalent Series Resistance) of the capacitor is related to its dielectric constant. When a certain current is passing through the capacitor, the voltage across it will increase with the rise of ESR. With the thermal stability, T540B107K004BH8710WAFL tantalum – polymer capacitors can be used at a high temperature.In conclusion, the T540B107K004BH8710WAFL tantalum – polymer capacitors have multiple uses in industrial and military applications owing to their high-controllability, low leakage current and superior temperature stability. The functioning of the capacitor is determined by the material structure, and its volt and current capacities are determined by the dielectric constant and the ESR.

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