ALS81A912QC200

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	2.717" (69.00mm)
Size / Dimension:	3.543" Dia (90.00mm)
Lead Spacing:	1.252" (31.80mm)
Impedance:	31 mOhms
Ripple Current @ High Frequency:	15.8A @ 10kHz
Ripple Current @ Low Frequency:	12.2A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	ALS81
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	41 mOhm @ 100Hz
Voltage - Rated:	200V
Tolerance:	±20%
Capacitance:	9100µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are electronic components used in a number of different electronic devices and circuits. They are also known as aluminum-electrolytic capacitors, electrolytic capacitors, or simply electrolytics. The ALS81A912QC200 is a special type of electrolytic capacitor which is designed for a variety of applications.The ALS81A912QC200 is a surface mount electrolytic capacitor which is relatively high-value and has a high capacitance rating. It is a large size for its capacitance rating, yet offers a wide array of features, such as low ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance). It has a wide temperature range and is rated to operate between -40°C and 85°C.An aluminum electrolytic capacitor is a type of capacitor which uses a thin layer of aluminum foil as its dielectric material and electrolytic solution as its conducting components. The aluminum electrode is anodized and undergoes a chemical process called oxidation. This process creates an insulating barrier that serves to keep electrical current from passing through the capacitor’s dielectric material.When a voltage is applied to the capacitor, two types of electrical current flow through the capacitor. One type is called the reactive current, and it circulates between the two aluminum electrodes. The reactive current is responsible for producing the capacitance effect. The other type of current is called the displacement current, and it flows through the electrolyte solution.The ALS81A912QC200 is widely used in various applications, such as signal filtering, time-delays, power factor correction, and pulse shaping. Its features also make it a suitable for high-power switching circuits, instrumentation circuits, or energy-storage devices.The working principle of the ALS81A912QC200 is relatively simple. When a voltage is applied to the capacitor, the aluminum electrodes attract and store a positive charge. The displacement current is then used to flow through the electrolyte solution and act as a resistor. The capacitor’s capacitance is determined by the ratio of reactive current to displacement current. The more current flowing through the capacitor, the higher the capacitance.In conclusion, the ALS81A912QC200 is a high-value, low-ESR electrolytic capacitor rated to operate between -40°C and 85°C. It is widely used in electronic devices and circuits for its features such as low ESR and ESL, as well as its wide temperature range. Its working principle is relatively simple, and it is based on the ratio of reactive current to displacement current.

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