Introducing the KNOWLES / CORNELL DUBILIER Aluminum Electrolytic Capacitor, Part Number: DCMC681T450AC2B. Designed for high-capacitance applications, this screw terminal aluminum capacitor offers reliable performance in power supply filters, energy storage, and UPS systems.
Product Features:
High capacitance value suitable for power supply and UPS systems
Extended cathode foil ensures cool operation with efficient heat flow
Thermal-Pak™ extended cathode construction for enhanced durability
Polarized design for precise circuit integration
RoHS compliant (see regulatory information link)
Specifications:
Temperature Range
–40 °C to +85 °C
Rated Voltage Range
6.3 Vdc to 550 Vdc
Capacitance Range
110 µF to 2.7 F
Capacitance Tolerance
–10% +75% (≤ 100 Vdc), –10% +50% (≥ 160 Vdc)
Leakage Current
≤ 6 √CV µA, max 6 mA at 5 min
Ripple Current Multipliers
See detailed table for various temperature and frequency conditions
Endurance Life Test
2000 hours @ 85°C, full load, ±20% capacitance change
Shelf Life Test
500 hours @ 85°C, capacitance and ESR within limits
Vibration
5 to 55 Hz, 0.06” displacement, 10 g max, 1.5 hours each axis
Physical Dimensions:
Case Diameter
Length
Terminal Style
Weight
Varies by case code (e.g., AK, AA, AH, AB, etc.)
From 1.625 inches to over 5.625 inches
Stud, Bottom, M5, M6, High Post options
Range from 54g to over 1658g depending on size
For detailed hardware and mounting options, please click here.
Part Number: DCMC681T450AC2B Manufacturer: KNOWLES / CORNELL DUBILIER Country of Origin: [Specify COO if available]
Unit of Measure: EA ECCN: EAR99 Package Type: BLK
Note: This product is a polarized aluminum electrolytic capacitor with screw terminal design, suitable for high-capacitance power applications. Please refer to the datasheet for detailed specifications and mounting instructions.
Disclaimer: Please verify all specifications and application suitability before use. Datasheet was not processed, please search the internet for the part number for more details.
Note: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.
{"id":10008722637117,"title":"DCMC681T450AC2B","handle":"dcmc681t450ac2b","description":"\u003ch3\u003eAluminum Electrolytic Capacitor - Polarized\u003c\/h3\u003e\n\u003cp\u003eIntroducing the KNOWLES \/ CORNELL DUBILIER Aluminum Electrolytic Capacitor, Part Number: DCMC681T450AC2B. Designed for high-capacitance applications, this screw terminal aluminum capacitor offers reliable performance in power supply filters, energy storage, and UPS systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eHigh capacitance value suitable for power supply and UPS systems\u003c\/li\u003e\n\u003cli\u003eExtended cathode foil ensures cool operation with efficient heat flow\u003c\/li\u003e\n\u003cli\u003eThermal-Pak™ extended cathode construction for enhanced durability\u003c\/li\u003e\n\u003cli\u003ePolarized design for precise circuit integration\u003c\/li\u003e\n\u003cli\u003eRoHS compliant (see regulatory information link)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003e–40 °C to +85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Voltage Range\u003c\/th\u003e\n\u003ctd\u003e6.3 Vdc to 550 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance Range\u003c\/th\u003e\n\u003ctd\u003e110 µF to 2.7 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance Tolerance\u003c\/th\u003e\n\u003ctd\u003e–10% +75% (≤ 100 Vdc), –10% +50% (≥ 160 Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLeakage Current\u003c\/th\u003e\n\u003ctd\u003e≤ 6 √CV µA, max 6 mA at 5 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRipple Current Multipliers\u003c\/th\u003e\n\u003ctd\u003eSee detailed table for various temperature and frequency conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEndurance Life Test\u003c\/th\u003e\n\u003ctd\u003e2000 hours @ 85°C, full load, ±20% capacitance change\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShelf Life Test\u003c\/th\u003e\n\u003ctd\u003e500 hours @ 85°C, capacitance and ESR within limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVibration\u003c\/th\u003e\n\u003ctd\u003e5 to 55 Hz, 0.06” displacement, 10 g max, 1.5 hours each axis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCase Diameter\u003c\/th\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eTerminal Style\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVaries by case code (e.g., AK, AA, AH, AB, etc.)\u003c\/td\u003e\n\u003ctd\u003eFrom 1.625 inches to over 5.625 inches\u003c\/td\u003e\n\u003ctd\u003eStud, Bottom, M5, M6, High Post options\u003c\/td\u003e\n\u003ctd\u003eRange from 54g to over 1658g depending on size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed hardware and mounting options, please \u003ca href=\"https:\/\/www.cde.com\/resources\/catalogs\/AE.pdf\" target=\"_blank\"\u003eclick here\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/cd-dcmc681t450ac2b.pdf\" target=\"_blank\"\u003ehttps:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/cd-dcmc681t450ac2b.pdf\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eRegulatory Information: \u003ca href=\"https:\/\/www.cde.com\/resources\/ROHS\/CDE-Regulatory-Declaration.pdf\" target=\"_blank\"\u003eRoHS Compliance Details\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e DCMC681T450AC2B\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e KNOWLES \/ CORNELL DUBILIER\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e [Specify COO if available]\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/p\u003e\n\u003cp\u003eNote: This product is a polarized aluminum electrolytic capacitor with screw terminal design, suitable for high-capacitance power applications. Please refer to the datasheet for detailed specifications and mounting instructions.\u003c\/p\u003e\n\u003cp\u003eDisclaimer: Please verify all specifications and application suitability before use. Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e","published_at":"2025-08-08T06:38:41+05:30","created_at":"2025-08-08T06:38:41+05:30","vendor":"Waldom Electonics","type":"Capacitors","tags":["Aluminum","Capacitor","IMPORT_PT2","KNOWL-CORN-COR","Screw","STD_IMG","WLDM"],"price":241287,"price_min":241287,"price_max":241287,"available":false,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50561926496573,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DCMC681T450AC2B","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"DCMC681T450AC2B","public_title":null,"options":["Default Title"],"price":241287,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DCMC681T450AC2B","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_7f03c055-883b-4c14-b1d4-618f46fb5e10.jpg?v=1754615321"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_7f03c055-883b-4c14-b1d4-618f46fb5e10.jpg?v=1754615321","options":["Title"],"media":[{"alt":null,"id":45721669402941,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_7f03c055-883b-4c14-b1d4-618f46fb5e10.jpg?v=1754615321"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_7f03c055-883b-4c14-b1d4-618f46fb5e10.jpg?v=1754615321","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eAluminum Electrolytic Capacitor - Polarized\u003c\/h3\u003e\n\u003cp\u003eIntroducing the KNOWLES \/ CORNELL DUBILIER Aluminum Electrolytic Capacitor, Part Number: DCMC681T450AC2B. Designed for high-capacitance applications, this screw terminal aluminum capacitor offers reliable performance in power supply filters, energy storage, and UPS systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eHigh capacitance value suitable for power supply and UPS systems\u003c\/li\u003e\n\u003cli\u003eExtended cathode foil ensures cool operation with efficient heat flow\u003c\/li\u003e\n\u003cli\u003eThermal-Pak™ extended cathode construction for enhanced durability\u003c\/li\u003e\n\u003cli\u003ePolarized design for precise circuit integration\u003c\/li\u003e\n\u003cli\u003eRoHS compliant (see regulatory information link)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003e–40 °C to +85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated Voltage Range\u003c\/th\u003e\n\u003ctd\u003e6.3 Vdc to 550 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance Range\u003c\/th\u003e\n\u003ctd\u003e110 µF to 2.7 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance Tolerance\u003c\/th\u003e\n\u003ctd\u003e–10% +75% (≤ 100 Vdc), –10% +50% (≥ 160 Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLeakage Current\u003c\/th\u003e\n\u003ctd\u003e≤ 6 √CV µA, max 6 mA at 5 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRipple Current Multipliers\u003c\/th\u003e\n\u003ctd\u003eSee detailed table for various temperature and frequency conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEndurance Life Test\u003c\/th\u003e\n\u003ctd\u003e2000 hours @ 85°C, full load, ±20% capacitance change\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShelf Life Test\u003c\/th\u003e\n\u003ctd\u003e500 hours @ 85°C, capacitance and ESR within limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVibration\u003c\/th\u003e\n\u003ctd\u003e5 to 55 Hz, 0.06” displacement, 10 g max, 1.5 hours each axis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCase Diameter\u003c\/th\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eTerminal Style\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVaries by case code (e.g., AK, AA, AH, AB, etc.)\u003c\/td\u003e\n\u003ctd\u003eFrom 1.625 inches to over 5.625 inches\u003c\/td\u003e\n\u003ctd\u003eStud, Bottom, M5, M6, High Post options\u003c\/td\u003e\n\u003ctd\u003eRange from 54g to over 1658g depending on size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed hardware and mounting options, please \u003ca href=\"https:\/\/www.cde.com\/resources\/catalogs\/AE.pdf\" target=\"_blank\"\u003eclick here\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/cd-dcmc681t450ac2b.pdf\" target=\"_blank\"\u003ehttps:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/cd-dcmc681t450ac2b.pdf\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eRegulatory Information: \u003ca href=\"https:\/\/www.cde.com\/resources\/ROHS\/CDE-Regulatory-Declaration.pdf\" target=\"_blank\"\u003eRoHS Compliance Details\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e DCMC681T450AC2B\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e KNOWLES \/ CORNELL DUBILIER\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e [Specify COO if available]\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/p\u003e\n\u003cp\u003eNote: This product is a polarized aluminum electrolytic capacitor with screw terminal design, suitable for high-capacitance power applications. Please refer to the datasheet for detailed specifications and mounting instructions.\u003c\/p\u003e\n\u003cp\u003eDisclaimer: Please verify all specifications and application suitability before use. Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e"}
