Upgrade your electronic designs with the high-performance Capacitor Aluminum 270µF 450V from KNOWLES / CORNELL DUBILIER, designed for demanding applications requiring ultra-high ripple current capabilities.
Part Number: 381LR271M450A032
Manufacturer: KNOWLES / CORNELL DUBILIER
Country of Origin: MX
Unit of Measure (UOM): EA
ECCN: EAR99
Package Type: BLK
Designed for high ripple current applications such as motor drives and UPS bus capacitors, this aluminum electrolytic capacitor offers exceptional ripple handling with advances in electrolyte technology that provide extremely low ESR values. It can handle up to 25% more ripple current compared to standard 105°C snap-in capacitors.
Key Features
Ultra-high ripple current capability, suitable for motor drives and UPS applications
Temperature range: –40°C to +105°C
Rated voltage: 200Vdc to 450Vdc
Capacitance: 56µF to 2,200µF with ±20% tolerance
Leakage current: ≤3√CV µA, max 4mA at 5 minutes
Impedance ratio at low temperatures: Z/Z –20°C +25°C ≤ 3 (200–450Vdc)
Endurance life: 3000 hours at full load at 105°C
Shelf life: 1000 hours at 105°C
Vibration resistance: 10 to 55 Hz, 0.06” displacement, 2 hours per plane
Electrical Specifications
Specification
Details
Temperature Range
–40°C to +105°C (≤315Vdc), –25°C to +105°C (≥350Vdc)
{"id":10027607982397,"title":"381LR271M450A032","handle":"381lr271m450a032","description":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER CAPACITOR 381LR271M450A032\u003c\/h3\u003e\n\u003cp\u003eUpgrade your electronic designs with the high-performance \u003cstrong\u003eCapacitor Aluminum 270µF 450V\u003c\/strong\u003e from KNOWLES \/ CORNELL DUBILIER, designed for demanding applications requiring ultra-high ripple current capabilities.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 381LR271M450A032\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 MX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e 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\u003c\/ul\u003e\n\u003cp\u003eDesigned for high ripple current applications such as motor drives and UPS bus capacitors, this aluminum electrolytic capacitor offers exceptional ripple handling with advances in electrolyte technology that provide extremely low ESR values. It can handle up to 25% more ripple current compared to standard 105°C snap-in capacitors.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-high ripple current capability, suitable for motor drives and UPS applications\u003c\/li\u003e\n\u003cli\u003eTemperature range: –40°C to +105°C\u003c\/li\u003e\n\u003cli\u003eRated voltage: 200Vdc to 450Vdc\u003c\/li\u003e\n\u003cli\u003eCapacitance: 56µF to 2,200µF with ±20% tolerance\u003c\/li\u003e\n\u003cli\u003eLeakage current: ≤3√CV µA, max 4mA at 5 minutes\u003c\/li\u003e\n\u003cli\u003eImpedance ratio at low temperatures: Z\/Z –20°C +25°C ≤ 3 (200–450Vdc)\u003c\/li\u003e\n\u003cli\u003eEndurance life: 3000 hours at full load at 105°C\u003c\/li\u003e\n\u003cli\u003eShelf life: 1000 hours at 105°C\u003c\/li\u003e\n\u003cli\u003eVibration resistance: 10 to 55 Hz, 0.06” displacement, 2 hours per plane\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\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\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e–40°C to +105°C (≤315Vdc), –25°C to +105°C (≥350Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage Range\u003c\/td\u003e\n\u003ctd\u003e200Vdc to 450Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance Range\u003c\/td\u003e\n\u003ctd\u003e56µF to 2,200µF\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\u003eRipple Current Multipliers\u003c\/td\u003e\n\u003ctd\u003eAt 45°C: 2.35; 60°C: 2.20; 70°C: 2.00; 85°C: 1.70; 105°C: 1.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current\u003c\/td\u003e\n\u003ctd\u003e≤3√CV µA, max 4mA after 5 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEndurance Life\u003c\/td\u003e\n\u003ctd\u003e3000 hours at full load, 105°C, ±20% Capacitance, ESR 200% limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life\u003c\/td\u003e\n\u003ctd\u003e1000 hours at 105°C, ±20% Capacitance, ESR 200% limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCase Code\u003c\/th\u003e\n\u003cth\u003eDiameter (mm)\u003c\/th\u003e\n\u003cth\u003eLength (mm)\u003c\/th\u003e\n\u003cth\u003eTypical Weight (g)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH01\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJ02\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK02\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed datasheet and specifications, please visit the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/CDUB\/CDUB-S-A0013673976\/CDUB-S-A0013883775-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003eproduct datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: Regulatory information is available \u003ca href=\"https:\/\/www.cde.com\/resources\/ROHS\/CDE-Regulatory-Declaration.pdf\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T00:53:54+05:30","created_at":"2025-08-16T00:53:55+05:30","vendor":"Waldom Electonics","type":"Capacitors","tags":["450V","CAP","Capacitors","Fixed","IMPORT_CSV","IMPORT_PT2","KNOWL-CORN-COR","WLDM"],"price":76364,"price_min":76364,"price_max":76364,"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":50625664188733,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"381LR271M450A032","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"381LR271M450A032","public_title":null,"options":["Default Title"],"price":76364,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"381LR271M450A032","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/10931126.jpg?v=1755285837"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/10931126.jpg?v=1755285837","options":["Title"],"media":[{"alt":null,"id":45858978529597,"position":1,"preview_image":{"aspect_ratio":1.0,"height":600,"width":600,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/10931126.jpg?v=1755285837"},"aspect_ratio":1.0,"height":600,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/10931126.jpg?v=1755285837","width":600}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER CAPACITOR 381LR271M450A032\u003c\/h3\u003e\n\u003cp\u003eUpgrade your electronic designs with the high-performance \u003cstrong\u003eCapacitor Aluminum 270µF 450V\u003c\/strong\u003e from KNOWLES \/ CORNELL DUBILIER, designed for demanding applications requiring ultra-high ripple current capabilities.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 381LR271M450A032\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 MX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e 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\u003c\/ul\u003e\n\u003cp\u003eDesigned for high ripple current applications such as motor drives and UPS bus capacitors, this aluminum electrolytic capacitor offers exceptional ripple handling with advances in electrolyte technology that provide extremely low ESR values. It can handle up to 25% more ripple current compared to standard 105°C snap-in capacitors.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-high ripple current capability, suitable for motor drives and UPS applications\u003c\/li\u003e\n\u003cli\u003eTemperature range: –40°C to +105°C\u003c\/li\u003e\n\u003cli\u003eRated voltage: 200Vdc to 450Vdc\u003c\/li\u003e\n\u003cli\u003eCapacitance: 56µF to 2,200µF with ±20% tolerance\u003c\/li\u003e\n\u003cli\u003eLeakage current: ≤3√CV µA, max 4mA at 5 minutes\u003c\/li\u003e\n\u003cli\u003eImpedance ratio at low temperatures: Z\/Z –20°C +25°C ≤ 3 (200–450Vdc)\u003c\/li\u003e\n\u003cli\u003eEndurance life: 3000 hours at full load at 105°C\u003c\/li\u003e\n\u003cli\u003eShelf life: 1000 hours at 105°C\u003c\/li\u003e\n\u003cli\u003eVibration resistance: 10 to 55 Hz, 0.06” displacement, 2 hours per plane\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\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\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e–40°C to +105°C (≤315Vdc), –25°C to +105°C (≥350Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage Range\u003c\/td\u003e\n\u003ctd\u003e200Vdc to 450Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance Range\u003c\/td\u003e\n\u003ctd\u003e56µF to 2,200µF\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\u003eRipple Current Multipliers\u003c\/td\u003e\n\u003ctd\u003eAt 45°C: 2.35; 60°C: 2.20; 70°C: 2.00; 85°C: 1.70; 105°C: 1.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current\u003c\/td\u003e\n\u003ctd\u003e≤3√CV µA, max 4mA after 5 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEndurance Life\u003c\/td\u003e\n\u003ctd\u003e3000 hours at full load, 105°C, ±20% Capacitance, ESR 200% limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life\u003c\/td\u003e\n\u003ctd\u003e1000 hours at 105°C, ±20% Capacitance, ESR 200% limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCase Code\u003c\/th\u003e\n\u003cth\u003eDiameter (mm)\u003c\/th\u003e\n\u003cth\u003eLength (mm)\u003c\/th\u003e\n\u003cth\u003eTypical Weight (g)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH01\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJ02\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK02\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed datasheet and specifications, please visit the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/CDUB\/CDUB-S-A0013673976\/CDUB-S-A0013883775-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003eproduct datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: Regulatory information is available \u003ca href=\"https:\/\/www.cde.com\/resources\/ROHS\/CDE-Regulatory-Declaration.pdf\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
