ALS70A203NW250

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	6.732" (171.00mm)
Size / Dimension:	3.031" Dia (77.00mm)
Lead Spacing:	1.252" (31.80mm)
Impedance:	14 mOhms
Ripple Current @ High Frequency:	28.3A @ 10kHz
Ripple Current @ Low Frequency:	22.6A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	ALS70
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	5000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	18 mOhm @ 100Hz
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	20000µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

ALS70A203NW250 application field and working principle

Aluminum electrolytic capacitors are the most widely used form of electric double-layer capacitors. These continuously improve their design and manufacturing technology, offering capacitors with exceptionally high capacitance and a wide operating temperature range. The ALS70A203NW250 aluminum electrolytic capacitor, in particular, is finding increasing application in various fields.

Applications

ALS70A203NW250 aluminum electrolytic capacitors are increasingly used in various fields. One of the main applications of this type of capacitor is in the audio and home theater systems. It can be used as an input capacitor for a power amplifier or for audio preamplification. This type of capacitor is also used in DC-DC converters, voltage regulators, electric motor drives, and other high-performance circuits.

Working Principle

The working principle of aluminum electrolytic capacitors is based on the Faraday law of electrolysis. When an electric current passes through a conductor immersed in an electrolyte, metal ions from the electrolyte are attracted to a specific pole on the capacitor, leading to a buildup of charge. This charge is called the electrostatic capacitance.When the electric current is stopped, the electrostatic capacitance remains and acts as a storage charge in the capacitor. This process is called charge accumulation. The capacitance of the capacitor varies depending on the electrolyte composition and the configuration of the capacitor, which determines the amount of ions accumulated.

Advantages and Disadvantages

The main advantage of aluminum electrolytic capacitors like the ALS70A203NW250 is their high capacitance and wide operating temperature range. These capacitors are able to store a lot of charge and can operate at temperatures up to 2000 degrees Celsius.On the other hand, the main disadvantage of aluminum electrolytic capacitors is their limited lifespan. Their lifespan can depend on various factors such as temperature, environmental exposure, and so on. As a result, it is important to take into consideration the operating environment when choosing an aluminum electrolytic capacitor.

Conclusion

The ALS70A203NW250 aluminum electrolytic capacitor is a promising technology with a considerable amount of potential applications. This type of capacitors can handle high capacitance and high temperatures, hence it is finding its way into many different applications. On the other hand, it is important to keep in mind that the lifespan of this type of capacitor is limited and one should carefully consider the operating environment when choosing one.

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