SN220M035ST

Series:	SN
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	22µF
Tolerance:	±20%
Voltage - Rated:	35V
ESR (Equivalent Series Resistance):	8.44 Ohm @ 120Hz
Lifetime @ Temp.:	1000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Bi-Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	94mA @ 120Hz
Lead Spacing:	0.138" (3.50mm)
Size / Dimension:	0.315" Dia (8.00mm)
Height - Seated (Max):	0.453" (11.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most widely used capacitors in the electronics industry due to their polarized nature and large capacitance-to-size ratio. They are available in a range of shapes, sizes and Voltages, which make them suitable for various applications in consumer electronics and automotive electronics. Among them, SN220M035ST Aluminum Electrolytic Capacitors are widely used for products, such as LED driving power, automotive electronics, industrial power supply, and DC/DC converter.

Working Principle of SN220M035ST Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors consist of two layers of aluminum foil separated by a spacer of paper or plastic base insulation material soaked with an electrolyte. Both the aluminum foils have a thin oxide layer which acts as dielectric resulting in the overall capacitance. The capacitor automatically polarizes, and when voltage is applied to the anode, a surface electric charge is created on the anode and the same charge is created on the opposite side on the cathode by the electrolyte. This creates a charge mismatch resulting in charge accumulation on plates on the outside of the capacitor thereby increasing capacitance.

Application Field of SN220M035ST Aluminum Electrolytic Capacitors

SN220M035ST Aluminum Electrolytic Capacitors are mainly used in LED driving power, automotive electronics, industrial power supply, and DC/DC converter as mentioned earlier. They are widely used because of the large capacitance-to-size ratio which allow manufacturers to produce products that are smaller and more compact.Due to the polarized nature, the SN220M035ST Aluminum capacitors are ideal for applications that require a large capacitance such as those that need to filter the DC output of switched-mode power supply. They can also be used in audio applications like loudspeaker crossovers, because of their ability to store and delivery energy quickly with low distortion.In addition, SN220M035ST Aluminum Electrolytic Capacitors are also used in power supplies, snubbers, and decoupling applications. Snubbers and decoupling capacitors refers to two separate, but related concepts. Snubbers are typically used to reduce a surge current on power semiconductor switches, whereas, decoupling capacitors are used to reduce cross-talk between two signals.

Advantages of SN220M035ST Aluminum Electrolytic Capacitors

SN220M035ST Aluminum Electrolytic Capacitors offer some advantages over conventional capacitors, including larger capacitance, superior frequency characteristics, and excellent leakage resistance. Additionally, they have the capability of withstanding higher temperatures and higher overloads. Compared with other capacitors, they also have longer life cycle due to the electrolyte used inside which helps prevent short-circuiting.Moreover, due to their polarized nature, SN220M035ST Aluminum Electrolytic Capacitors are inexpensive and require constant monitoring of the polarity. Nonetheless, they are used in applications where safety and reliability are paramount such as power converters, switching power supplies, and load switching circuits.In summary, the SN220M035ST Aluminum Electrolytic Capacitors offer various advantages and are suitable for various applications in automotive electronics, LED driving power, industrial power supply, and DC/DC converter. They are usually low cost in comparison to other capacitor types and offer long service life.

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