TC1265

Polarization:	Polar
Package / Case:	Axial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	--
Size / Dimension:	0.875" Dia x 2.625" L (22.22mm x 66.68mm)
Lead Spacing:	--
Ripple Current @ High Frequency:	1.53A @ 2.4kHz
Ripple Current @ Low Frequency:	1.22A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	TC
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	1000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	1.08 Ohm @ 120Hz
Voltage - Rated:	250V
Tolerance:	-10%, +50%
Capacitance:	100µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are special types of capacitors which use aluminum electrodes and a wet electrolytic as the medium of its dielectric. Unlike ceramic and tantalum capacitors which use a solid medium to create capacitance, electrolytic capacitors are composed of an aluminum or tantalum metal foil and a wet electrolytic between its electrodes. The dielectric is an extremely porous version of the material derived from the electrostatic displacement of positively and negatively charged ions. The combined action of the two electrodes in an electrolytic capacitor creates an electrostatic field from which electrical energy can be transferred. The process of electrolytically charging a capacitor creates an electric field across the plates that is proportional to the electrostatic force applied.The charge redistribution within an electrolyte capacitor is accomplished through the dielectric material which acts as an electrical insulator. This insulation is important to prevent the charge carriers from mobbing between the electrodes and to produce a desirable dielectric field effect. The field created by the aluminum or tantalum electrodes acts to reduce the electric field, thus reducing the contact resistivity and allowing the charge carriers to reach the bottom of the capacitor faster.The actual capacitance and working principles of aluminum electrolytic capacitors are determined by the combination of their electrode material properties and the tensile strength of the electrolyte. This combination allows the devices to reach very high capacitance values of up to 400V. This high capacitance is explained by the electric field distribution across the capacitor, with an increase in voltage resistance as the distance between the electrodes increases.The TC1265 aluminum electrolytic capacitor is an exemplary representation of this technology. It is constructed with 5mm diameter aluminum electrodes and a 10V working voltage. This capacitor has an insulation resistance of 200kΩ and a capacitance range of 0.1 - 20mF. This versatility means that the TC1265 is applicable to a wide range of applications, including AC line filters, magnetoresistors, snubbers, and protection of high voltage circuits.Due to its ability to withstand high voltages, aluminum electrolytic capacitors are widely used in DC-DC converters, digital circuits, and audio preamps. For example, DC-DC converters use these components to regulate alternating current provided by a battery or other source into a steady current for use in mobile devices. Digital circuits use them to filter out any high frequency noise and maintain a stable voltage supply. Finally, audio preamps use aluminum electrolytic capacitors to store and smooth out energy impulses from the power supply when the signal is at its most sensitive.Aluminum electrolytic capacitors evolve as technology advancements push their limits. Their unique advantages, namely high energy density, are becoming increasingly beneficial to many applications. With the availability of new materials, even higher capacitance values can be achieved with the TC1265 type capacitors, providing even greater strength and stability for higher voltage applications.

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