Enhance your electronic designs with the high-performance aluminum electrolytic capacitor from KNOWLES / CORNELL DUBILIER. Designed for long-lasting, high-ripple applications, this screw terminal capacitor offers reliable operation in demanding environments.
Type 550C high ripple, inverter grade aluminum electrolytic capacitor
Rated for 450V DC with capacitance of 980µF ±10% to +50%
Designed for motor drive and high-ripple, long-life applications
Expected operating life exceeds 100,000 hours in typical conditions
Load life up to 20,000 hours at 85°C
Extended cathode foil ensures heat flow in all orientations
Low ESR (to 7 mΩ) for efficient performance
Temperature range: –40°C to +105°C
Leakage current ≤ 3 √CV µA (max 4 mA at 5 minutes)
Electrical Specifications
Temperature Range
–40°C to +105°C
Rated Voltage Range
200 Vdc to 500 Vdc
Capacitance Range
680 µF to 35,000 µF
Capacitance Tolerance
–10% to +50%
Leakage Current
≤ 3 √CV µA, max 4 mA (5 min)
Ripple Current Multipliers
Ambient Temperature 45°C to 105°C, Frequency 50 Hz to 10 kHz & up
Impedance (ESR)
To 7 mΩ
Operating Life
Rated voltage and ripple current; up to 20,000 hours at 105°C
Shelf Life
500 hours at 105°C, with capacitance, ESR, and DCL within limits
Mechanical & Mounting Details
Designed with screw terminals for secure mounting and reliable electrical connection. Suitable for horizontal mounting, with heat flow optimized through extended cathode foil. For hardware and mounting options, click here.
Additional Information
For more detailed specifications, hardware options, and mounting instructions, please refer to the datasheet.
Note: The datasheet was not processed; please search the internet for the part number 550C981T450CB2B for more details.
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{"id":10023979942205,"title":"550C981T450CB2B","handle":"550c981t450cb2b","description":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER Capacitors - Screw Terminal 980µF 450V\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic designs with the high-performance aluminum electrolytic capacitor from KNOWLES \/ CORNELL DUBILIER. Designed for long-lasting, high-ripple applications, this screw terminal capacitor offers reliable operation in demanding environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 550C981T450CB2B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e KNOWLES \/ CORNELL DUBILIER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/cd-550c981t450cb2b.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType 550C high ripple, inverter grade aluminum electrolytic capacitor\u003c\/li\u003e\n\u003cli\u003eRated for 450V DC with capacitance of 980µF ±10% to +50%\u003c\/li\u003e\n\u003cli\u003eDesigned for motor drive and high-ripple, long-life applications\u003c\/li\u003e\n\u003cli\u003eExpected operating life exceeds 100,000 hours in typical conditions\u003c\/li\u003e\n\u003cli\u003eLoad life up to 20,000 hours at 85°C\u003c\/li\u003e\n\u003cli\u003eExtended cathode foil ensures heat flow in all orientations\u003c\/li\u003e\n\u003cli\u003eLow ESR (to 7 mΩ) for efficient performance\u003c\/li\u003e\n\u003cli\u003eTemperature range: –40°C to +105°C\u003c\/li\u003e\n\u003cli\u003eLeakage current ≤ 3 √CV µA (max 4 mA at 5 minutes)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003cth\u003e–40°C to +105°C\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Voltage Range\u003c\/th\u003e\n\u003cth\u003e200 Vdc to 500 Vdc\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance Range\u003c\/th\u003e\n\u003cth\u003e680 µF to 35,000 µF\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance Tolerance\u003c\/th\u003e\n\u003cth\u003e–10% to +50%\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLeakage Current\u003c\/th\u003e\n\u003cth\u003e≤ 3 √CV µA, max 4 mA (5 min)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRipple Current Multipliers\u003c\/th\u003e\n\u003cth\u003eAmbient Temperature 45°C to 105°C, Frequency 50 Hz to 10 kHz \u0026amp; up\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance (ESR)\u003c\/th\u003e\n\u003cth\u003eTo 7 mΩ\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Life\u003c\/th\u003e\n\u003cth\u003eRated voltage and ripple current; up to 20,000 hours at 105°C\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShelf Life\u003c\/th\u003e\n\u003cth\u003e500 hours at 105°C, with capacitance, ESR, and DCL within limits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical \u0026amp; Mounting Details\u003c\/h3\u003e\n\u003cp\u003eDesigned with screw terminals for secure mounting and reliable electrical connection. Suitable for horizontal mounting, with heat flow optimized through extended cathode foil. For hardware and mounting options, \u003ca href=\"http:\/\/www.cde.com\/resources\/catalogs\/AE.pdf\" target=\"_blank\"\u003eclick here\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor more detailed specifications, hardware options, and mounting instructions, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/cd-550c981t450cb2b.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number 550C981T450CB2B for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T00:20:37+05:30","created_at":"2025-08-14T00:20:37+05:30","vendor":"Waldom Electonics","type":"Capacitors","tags":["450V","Aluminum","Capacitors","IMPORT_CSV","KNOWL-CORN-COR","Screw","Terminal","WLDM"],"price":891556,"price_min":891556,"price_max":891556,"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":50617215582525,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"550C981T450CB2B","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"550C981T450CB2B","public_title":null,"options":["Default Title"],"price":891556,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"550C981T450CB2B","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/49401072.jpg?v=1755111040"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/49401072.jpg?v=1755111040","options":["Title"],"media":[{"alt":null,"id":45824657359165,"position":1,"preview_image":{"aspect_ratio":0.61,"height":246,"width":150,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/49401072.jpg?v=1755111040"},"aspect_ratio":0.61,"height":246,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/49401072.jpg?v=1755111040","width":150}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER Capacitors - Screw Terminal 980µF 450V\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic designs with the high-performance aluminum electrolytic capacitor from KNOWLES \/ CORNELL DUBILIER. Designed for long-lasting, high-ripple applications, this screw terminal capacitor offers reliable operation in demanding environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 550C981T450CB2B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e KNOWLES \/ CORNELL DUBILIER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/cd-550c981t450cb2b.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType 550C high ripple, inverter grade aluminum electrolytic capacitor\u003c\/li\u003e\n\u003cli\u003eRated for 450V DC with capacitance of 980µF ±10% to +50%\u003c\/li\u003e\n\u003cli\u003eDesigned for motor drive and high-ripple, long-life applications\u003c\/li\u003e\n\u003cli\u003eExpected operating life exceeds 100,000 hours in typical conditions\u003c\/li\u003e\n\u003cli\u003eLoad life up to 20,000 hours at 85°C\u003c\/li\u003e\n\u003cli\u003eExtended cathode foil ensures heat flow in all orientations\u003c\/li\u003e\n\u003cli\u003eLow ESR (to 7 mΩ) for efficient performance\u003c\/li\u003e\n\u003cli\u003eTemperature range: –40°C to +105°C\u003c\/li\u003e\n\u003cli\u003eLeakage current ≤ 3 √CV µA (max 4 mA at 5 minutes)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003cth\u003e–40°C to +105°C\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Voltage Range\u003c\/th\u003e\n\u003cth\u003e200 Vdc to 500 Vdc\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance Range\u003c\/th\u003e\n\u003cth\u003e680 µF to 35,000 µF\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance Tolerance\u003c\/th\u003e\n\u003cth\u003e–10% to +50%\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLeakage Current\u003c\/th\u003e\n\u003cth\u003e≤ 3 √CV µA, max 4 mA (5 min)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRipple Current Multipliers\u003c\/th\u003e\n\u003cth\u003eAmbient Temperature 45°C to 105°C, Frequency 50 Hz to 10 kHz \u0026amp; up\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance (ESR)\u003c\/th\u003e\n\u003cth\u003eTo 7 mΩ\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Life\u003c\/th\u003e\n\u003cth\u003eRated voltage and ripple current; up to 20,000 hours at 105°C\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShelf Life\u003c\/th\u003e\n\u003cth\u003e500 hours at 105°C, with capacitance, ESR, and DCL within limits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical \u0026amp; Mounting Details\u003c\/h3\u003e\n\u003cp\u003eDesigned with screw terminals for secure mounting and reliable electrical connection. Suitable for horizontal mounting, with heat flow optimized through extended cathode foil. For hardware and mounting options, \u003ca href=\"http:\/\/www.cde.com\/resources\/catalogs\/AE.pdf\" target=\"_blank\"\u003eclick here\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor more detailed specifications, hardware options, and mounting instructions, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/cd-550c981t450cb2b.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number 550C981T450CB2B for more details.\u003c\/p\u003e\u003cbr\u003e"}
