T540B107K004BH87107610

Series:	KO-CAP® T540
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	100µF
Tolerance:	±10%
Voltage - Rated:	4V
Type:	Molded
ESR (Equivalent Series Resistance):	80 mOhm @ 100kHz
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	2000 Hrs @ 125°C
Mounting Type:	Surface Mount
Package / Case:	1411 (3528 Metric)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Height - Seated (Max):	0.083" (2.10mm)
Lead Spacing:	--
Manufacturer Size Code:	B
Ratings:	COTS
Features:	High Reliability

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Tantalum-Polymer CapacitorsThe T540B107K004BH87107610 is a tantalum-polymer capacitor, which is sold in surface-mounted ceramic packages and is used to store and filter transient energy in electrical and electronic circuits. The capacitor is composed of two electrodes, separated by a polymer dielectric, and both electrodes are typically made of tantalum. The two electrodes are connected to of a lead frame to allow connection to a circuit.Tantalum-polymer capacitors are a modern variant of traditional, tantalum oxide dielectric capacitors. In most instances, the tantalum-polymer option replaces the oxide dielectric without any decrease in performance. However, it vastly improves on some key characteristics. Specifically, it has shorter lead times, smaller form factors, and is compatible with high voltage ratings, making it ideal for many applications. Additionally, due to its solid polymer construction, the reliability of the capacitor increases and it becomes less prone to failure under shock and vibration.The working principle behind a tantalum-polymer capacitor is relatively simple. The electric current that runs between the two electric poles of the capacitor is formed by the polarization of its dielectric materials. The voltage that is applied to the capacitor will cause the electrons between the two poles of the capacitor to transfer from one pole to the other, creating a potential difference between the two points. This potential difference causes current to flow through the device. As the current runs through the capacitor, it stores the electrical energy in the form of a magnetic field, which acts as a filter to remove any transient signals from the electric current.The wide range of tantalum-polymer capacitor applications reflects the design benefits of these devices. Capacitors of this type can be found in many different electronics and electric components, including automotive and medical equipment, printers, and computers. Due to the substantial amount of energy stored in the devices, they are excellent at filtering rapidly changing electrical currents, making them perfect for power supplies and voltage regulation. Additionally, they can operate in high-temperature environments, making them perfect for industrial applications. Moreover, their relatively low cost makes them a preferred choice for many consumer electronics.In conclusion, tantalum-polymer capacitors offer many advantages when compared to traditional, oxide-dielectric capacitors. Their smaller form factor, larger voltage ratings, and increased reliability make them ideal for a wide range of applications, from consumer and medical electronics to industrial and automotive equipment. The working principle of the capacitor is based on the polarization of the dielectric material, resulting in a magnetic field that stores electrical energy and filters any transient signals from the electric current.

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