381LR181M450H052

Series:	381LR
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	180µF
Tolerance:	±20%
Voltage - Rated:	450V
ESR (Equivalent Series Resistance):	737 mOhm @ 120Hz
Lifetime @ Temp.:	3000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	1.12A @ 120Hz
Ripple Current @ High Frequency:	1.6A @ 20kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Height - Seated (Max):	2.047" (52.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are typically used in power supplies, amplifiers, and other electronic circuits due to their high capacitance and voltage ratings. They are composed of an anode aluminum foil, cathode aluminum foil, separator-electrolyte, and a pressure-sensitive can. They are widely used in applications such as power supplies, switching power supplies, UPS systems, and instrumentation. The 381LR181M450H052 aluminum electrolytic capacitor consists of two aluminum windings, embedded in an aluminum foil material, which are separated by electrolyte material and pressurized using a pressure-sensitive can. The aluminum windings are sealed in the can to prevent the electrolyte from coming into contact with the circuit. The capacitor is rated at a maximum voltage rating of 450V, a maximum capacitance of 181μF, and a maximum tolerable ripple current of 102mA. The main purpose of an aluminum electrolytic capacitor is to act as an energy storage device for an electronic circuit. It stores energy when there is an excess of current and releases energy when the current is lacking. This helps maintain a constant voltage, reduce ripple noise, and provide better power for circuit components. Aluminum electrolytic capacitors are renowned for their wide range of possibilities, from high voltage and high current applications to smaller use cases such as timers and amplifiers. When it comes to aluminum electrolytic capacitors, it is important to take into account both the voltage and ripple current ratings, along with the absorption time. This is because the absorption time is the time period in which the capacitor stores energy from the circuit, and the voltage rating determines the maximum voltage the capacitor can handle. The ripple current rating, which is usually expressed as a percentage of the maximum capacitance, specifies the maximum current that can be handled without damaging the capacitor.All aluminum electrolytic capacitors have a positive and negative pin. The positive pin supplies the electrical current to the capacitor and the negative pin will supply the return current from the capacitor to the source. The circuit must have an electrical path from the negative pin to the positive pin for the capacitor to function properly.In general, aluminum electrolytic capacitors are reliable capacitors that can be used in a wide range of applications. They are relatively inexpensive and can handle higher voltage and current than most other types of capacitors. However, they have some drawbacks too, such as their tendency to have a short life span, their low temperature tolerance, and their tendency to leak electrolyte which can cause serious damage to the circuit. Despite these drawbacks, aluminum electrolytic capacitors can still provide several advantages to circuits. They are relatively small, can handle high voltage and ripple current, and are very inexpensive. Therefore, they are widely used in all kinds of applications, from power supplies and amplifiers to automotive electronics and medical devices.

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