TAP155K025CRS

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	A
Lead Spacing:	0.197" (5.00mm)
Height - Seated (Max):	0.335" (8.50mm)
Size / Dimension:	0.177" Dia (4.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Lifetime @ Temp.:	1000 Hrs @ 85°C
Series:	TAP
ESR (Equivalent Series Resistance):	8 Ohm
Type:	Conformal Coated
Voltage - Rated:	25V
Tolerance:	±10%
Capacitance:	1.5µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are polarized capacitors that feature a tantalum anode covered by an oxide layer as the dielectric layer and an additional layer of wet electrolyte solution. Since the oxide layer is formed in-situ, the resulting capacitance is very stable. In addition, the unique properties of tantalum allow for a very compact form factor that also offers high capacitance values within a small footprint. Therefore, tantalum capacitors are widely used as energy storage components in various analog and digital circuits to help filter or eliminate noise and other electrical interference.TAP155K025CRS is one of the most popular types of tantalum capacitors, and features a 25V rating, a 1.5uF capacitance, and an operating temperature range of -55 to 125 degrees Celsius. This type of capacitor is ideal for use in wet, corrosive, and high temperature environments and is commonly used in power supplies, automotive power systems, and RF circuits.The working principle of TAP155K025CRS is straightforward and simple. When a voltage is applied to the capacitor, an electric field is created between the two metals in the capacitor, which causes ions from the electrolyte solution to be attracted to one of the electrodes. This forms a thin, dielectric layer on the surface of the electrodes, and is what creates the capacitance.The capacitance of a tantalum electrolytic capacitor is determined by two main factors: the surface area and thickness of the dielectric layer, and the permittivity of the oxidized material. The permittivity, or electrical resistance, of the dielectric material affects the amount of charge that can be stored in the capacitor. As the permittivity of the dielectric layer increases, so does the capacitance of the capacitor.The leakage current, or the amount of current that leaks out of the capacitor over time, is also an important factor when choosing a tantalum capacitor. Leakage currents can cause electrical noise and affect the stability of the circuit, which is why it is important to choose a capacitor with the lowest possible leakage current. The leakage current of a TAP155K025CRS is typically less than 5uA, making them an excellent choice for high reliability applications.In summary, TAP155K025CRS is a type of tantalum capacitor with a high reliability, stable capacitance, and a very low leakage current. It is commonly used in high temperature, wet, and corrosive environments and has applications in RF circuits, power supplies, and automotive power systems.

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