Enhance your electronic designs with the KNOWLES / CORNELL DUBILIER / MALLORY SEK221M200ST aluminum electrolytic capacitor, designed for high-performance applications requiring reliable long-life operation. This radial leaded capacitor features a 220µF capacitance and 200V rated voltage, making it suitable for general purpose, coupling, decoupling, bypass, and filtering circuits.
For example, at 6 to 25V: 0.80 at 60Hz, 1.0 at 120Hz, 1.1 at 1kHz, 1.2 at 10kHz; similar multipliers apply for other voltage ranges and temperatures as detailed in datasheet.
Load Life Test
2000 hours at +105°C with WVDC; Capacitance change within 20%; DF not exceeding 200%; Leakage current within 200% of initial
Shelf Life Test
1000 hours at +105°C with no voltage; Capacitance within ±20%; DF within 200%; Leakage current meets initial requirements
Physical Dimensions
Size (mm)
Diameter (D)
Length (L)
Lead Spacing (S)
Lead Diameter (d)
6.3V to 100V
5.0 mm
11.0 mm
2.0 mm
0.5 mm
220V to 450V
10.0 mm
16.0 mm
3.5 mm
0.6 mm
Additional Details
Package Type: Black (BLK)
Regulatory Compliance: RoHS compliant
Obsolete parts are highlighted in yellow; please verify availability.
For more detailed specifications, refer to the datasheet.
Note: The datasheet was not processed; please search the internet for the part number SEK221M200ST for additional details.
{"id":10026163142973,"title":"SEK221M200ST","handle":"sek221m200st","description":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER \/ MALLORY SEK221M200ST Radial Leaded Aluminum Electrolytic Capacitor\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the KNOWLES \/ CORNELL DUBILIER \/ MALLORY SEK221M200ST aluminum electrolytic capacitor, designed for high-performance applications requiring reliable long-life operation. This radial leaded capacitor features a 220µF capacitance and 200V rated voltage, making it suitable for general purpose, coupling, decoupling, bypass, and filtering circuits.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCapacitance: 220µF\u003c\/li\u003e\n\u003cli\u003eRated Voltage: 200V DC\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: –55°C to +105°C\u003c\/li\u003e\n\u003cli\u003eLong life rating at +105°C\u003c\/li\u003e\n\u003cli\u003eHigh volumetric efficiency with high CV product\u003c\/li\u003e\n\u003cli\u003eRoHS compliant (RoHS: Yes)\u003c\/li\u003e\n\u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n\u003cli\u003ePart Number: SEK221M200ST\u003c\/li\u003e\n\u003cli\u003eManufacturer: KNOWLES \/ CORNELL DUBILIER \/ MALLORY\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.cde.com\/resources\/catalogs\/SEK.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance Range\u003c\/td\u003e\n\u003ctd\u003e0.47 to 15,000 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance Tolerance\u003c\/td\u003e\n\u003ctd\u003e±20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e6.3 to 450 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e–55°C to +105°C (6.3 to 100 V DC: –40°C to +105°C; 160 to 400 V DC: –25°C to +105°C; 450 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum DC Leakage Current\u003c\/td\u003e\n\u003ctd\u003eAfter 2 minutes at +20°C: 0.01CV or 3µA (whichever is greater); ≥160 V DC: 0.03CV or 10µA (whichever is greater)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDissipation Factor @ 120Hz, +25°C\u003c\/td\u003e\n\u003ctd\u003e6.3V: 26%; 10V: 22%; 16V: 18%; 25V: 16%; 35V: 14%; 50V: 12%; 63V: 10%; 80V: 10%; 100V: 10%; 160-250V: 15%; 350-450V: 20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple Multipliers (Rated Voltage \u0026amp; Temp)\u003c\/td\u003e\n\u003ctd\u003eFor example, at 6 to 25V: 0.80 at 60Hz, 1.0 at 120Hz, 1.1 at 1kHz, 1.2 at 10kHz; similar multipliers apply for other voltage ranges and temperatures as detailed in datasheet.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Life Test\u003c\/td\u003e\n\u003ctd\u003e2000 hours at +105°C with WVDC; Capacitance change within 20%; DF not exceeding 200%; Leakage current within 200% of initial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life Test\u003c\/td\u003e\n\u003ctd\u003e1000 hours at +105°C with no voltage; Capacitance within ±20%; DF within 200%; Leakage current meets initial requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSize (mm)\u003c\/th\u003e\n\u003cth\u003eDiameter (D)\u003c\/th\u003e\n\u003cth\u003eLength (L)\u003c\/th\u003e\n\u003cth\u003eLead Spacing (S)\u003c\/th\u003e\n\u003cth\u003eLead Diameter (d)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.3V to 100V\u003c\/td\u003e\n\u003ctd\u003e5.0 mm\u003c\/td\u003e\n\u003ctd\u003e11.0 mm\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003ctd\u003e0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e220V to 450V\u003c\/td\u003e\n\u003ctd\u003e10.0 mm\u003c\/td\u003e\n\u003ctd\u003e16.0 mm\u003c\/td\u003e\n\u003ctd\u003e3.5 mm\u003c\/td\u003e\n\u003ctd\u003e0.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n\u003cli\u003eRegulatory Compliance: RoHS compliant\u003c\/li\u003e\n\u003cli\u003eObsolete parts are highlighted in yellow; please verify availability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, refer to the \u003ca href=\"https:\/\/www.cde.com\/resources\/catalogs\/SEK.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number SEK221M200ST for additional details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T02:35:20+05:30","created_at":"2025-08-15T02:35:22+05:30","vendor":"Waldom Electonics","type":"Capacitors","tags":["200V","Aluminum","Capacitor","IMPORT_CSV","KNOWL-CORN-COR","Radial","WLDM"],"price":36449,"price_min":36449,"price_max":36449,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50621669572925,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"SEK221M200ST","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SEK221M200ST","public_title":null,"options":["Default Title"],"price":36449,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"SEK221M200ST","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/SEK221M200ST_52536162_8428ed9e.jpg?v=1755205522"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SEK221M200ST_52536162_8428ed9e.jpg?v=1755205522","options":["Title"],"media":[{"alt":null,"id":45844714619197,"position":1,"preview_image":{"aspect_ratio":0.975,"height":200,"width":195,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SEK221M200ST_52536162_8428ed9e.jpg?v=1755205522"},"aspect_ratio":0.975,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SEK221M200ST_52536162_8428ed9e.jpg?v=1755205522","width":195}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER \/ MALLORY SEK221M200ST Radial Leaded Aluminum Electrolytic Capacitor\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the KNOWLES \/ CORNELL DUBILIER \/ MALLORY SEK221M200ST aluminum electrolytic capacitor, designed for high-performance applications requiring reliable long-life operation. This radial leaded capacitor features a 220µF capacitance and 200V rated voltage, making it suitable for general purpose, coupling, decoupling, bypass, and filtering circuits.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCapacitance: 220µF\u003c\/li\u003e\n\u003cli\u003eRated Voltage: 200V DC\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: –55°C to +105°C\u003c\/li\u003e\n\u003cli\u003eLong life rating at +105°C\u003c\/li\u003e\n\u003cli\u003eHigh volumetric efficiency with high CV product\u003c\/li\u003e\n\u003cli\u003eRoHS compliant (RoHS: Yes)\u003c\/li\u003e\n\u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n\u003cli\u003ePart Number: SEK221M200ST\u003c\/li\u003e\n\u003cli\u003eManufacturer: KNOWLES \/ CORNELL DUBILIER \/ MALLORY\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.cde.com\/resources\/catalogs\/SEK.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance Range\u003c\/td\u003e\n\u003ctd\u003e0.47 to 15,000 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance Tolerance\u003c\/td\u003e\n\u003ctd\u003e±20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e6.3 to 450 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e–55°C to +105°C (6.3 to 100 V DC: –40°C to +105°C; 160 to 400 V DC: –25°C to +105°C; 450 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum DC Leakage Current\u003c\/td\u003e\n\u003ctd\u003eAfter 2 minutes at +20°C: 0.01CV or 3µA (whichever is greater); ≥160 V DC: 0.03CV or 10µA (whichever is greater)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDissipation Factor @ 120Hz, +25°C\u003c\/td\u003e\n\u003ctd\u003e6.3V: 26%; 10V: 22%; 16V: 18%; 25V: 16%; 35V: 14%; 50V: 12%; 63V: 10%; 80V: 10%; 100V: 10%; 160-250V: 15%; 350-450V: 20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple Multipliers (Rated Voltage \u0026amp; Temp)\u003c\/td\u003e\n\u003ctd\u003eFor example, at 6 to 25V: 0.80 at 60Hz, 1.0 at 120Hz, 1.1 at 1kHz, 1.2 at 10kHz; similar multipliers apply for other voltage ranges and temperatures as detailed in datasheet.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Life Test\u003c\/td\u003e\n\u003ctd\u003e2000 hours at +105°C with WVDC; Capacitance change within 20%; DF not exceeding 200%; Leakage current within 200% of initial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life Test\u003c\/td\u003e\n\u003ctd\u003e1000 hours at +105°C with no voltage; Capacitance within ±20%; DF within 200%; Leakage current meets initial requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSize (mm)\u003c\/th\u003e\n\u003cth\u003eDiameter (D)\u003c\/th\u003e\n\u003cth\u003eLength (L)\u003c\/th\u003e\n\u003cth\u003eLead Spacing (S)\u003c\/th\u003e\n\u003cth\u003eLead Diameter (d)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.3V to 100V\u003c\/td\u003e\n\u003ctd\u003e5.0 mm\u003c\/td\u003e\n\u003ctd\u003e11.0 mm\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003ctd\u003e0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e220V to 450V\u003c\/td\u003e\n\u003ctd\u003e10.0 mm\u003c\/td\u003e\n\u003ctd\u003e16.0 mm\u003c\/td\u003e\n\u003ctd\u003e3.5 mm\u003c\/td\u003e\n\u003ctd\u003e0.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n\u003cli\u003eRegulatory Compliance: RoHS compliant\u003c\/li\u003e\n\u003cli\u003eObsolete parts are highlighted in yellow; please verify availability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, refer to the \u003ca href=\"https:\/\/www.cde.com\/resources\/catalogs\/SEK.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number SEK221M200ST for additional details.\u003c\/p\u003e\u003cbr\u003e"}
