SK221M100ST

Operating Temperature:	-40°C ~ 85°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	0.630" Dia (16.00mm)
Lead Spacing:	0.295" (7.50mm)
Applications:	General Purpose
Ratings:	--
Polarization:	--
Series:	SK
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	480 mOhm
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors
Aluminum electrolytic capacitors are widely used in various applications due to its good performances in high temperature, high frequency and stable capacitance. One of the most popular aluminum electrolytic capacitors is SK221M100ST. Here we will talk about the application field and working principle of SK221M100ST. SK221M100ST is a robust aluminum electrolytic capacitor with industrial grade. It offers very high reliability even in challenging applications with temperatures ranging from 260°C to -55°C. It has a maximum capacitance of 220uF with a working voltage of 100V and is widely used in power supplies, security systems, motor control circuit, frequency control, and pulse circuits. The working principle of SK221M100ST is similar to that of many other kinds of aluminum electrolytic capacitors. It consists of two pieces of aluminum foil, which are separated by an electrolyte-soaked separator. When an electrical voltage is applied across the foil, ions are attracted to form doulbe-layered structure and create the capacitance. The aluminum oxide layer formed by the chemical reaction of electrolyte helps to block the electric current from flowing, thus its application as a capacitor. The SK221M100ST has several advantages. First, it has low ESR and inductance compared to other aluminum electrolytic capacitors, indicating its low resistance and reactance, which leads to better high frequency response. Secondly, the robust shell provides insulation from environmental conditions as well as excellent mechanical protection. Thirdly, the double layer of anodized aluminum helps to prevent the leakage of electrolyte and keep the inner structure flame proof. Finally, its wide temperature range provides even more reliability to many applications. In conclusion, the SK221M100ST is an excellent choice for many applications such as power supplies, security systems, motor control circuits, frequency control, and pulse circuits. Its superior performance, robustness, and wide temperature range makes them an excellent choice for many industrial applications.

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