Enhance your electronic designs with the high-performance Part Number: 381LQ221M400H452 from KNOWLES / CORNELL DUBILIER. This aluminum electrolytic capacitor is designed for reliable operation in demanding environments, offering high capacitance and robust ripple handling capabilities.
Product Features
Type: 381LQ - Compact, high ripple, snap-in aluminum electrolytic capacitor
Higher capacitance per case size compared to previous models
Temperature Range: –40 °C to +105 °C
Rated Voltage: 400V (up to 450V for ≥ 350Vdc applications)
Capacitance Range: 100 µF to 100,000 µF
Capacitance Tolerance: ±20%
RoHS Compliant
Package Type: Black (BLK) snap-in
UOM: Each (EA)
ECCN: EAR99
Technical Specifications
Parameter
Details
Leakage Current
≤3 √CV µA, max 4 mA at 5 minutes
Ripple Current Multipliers
At various temperatures and frequencies, up to 1.40 at 450Vdc and 105°C
Impedance Ratio (Z/Z)
≤10 at –20°C for 10Vdc; ≤8 for 16–50Vdc; ≤4 for 63–100Vdc; ≤3 for 150–450Vdc
Endurance Life
2000 hours at full load, 105°C, capacitance ±20%, ESR 200% of limit
Shelf Life
1000 hours at 105°C, capacitance ±20%, ESR 200% of limit
Vibration
10 to 55 Hz, 0.06” displacement, 2 hours each plane
For more detailed specifications and application guidelines, please refer to the datasheet linked above. Ensure compatibility with your design requirements before integration.
Note: The datasheet was not processed; please search the internet for the part number for more details.
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{"id":10024839577917,"title":"381LQ221M400H452","handle":"381lq221m400h452","description":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER CAPACITOR 381LQ221M400H452 - Aluminum Electrolytic Capacitor - Snap In\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the high-performance \u003cstrong\u003ePart Number: 381LQ221M400H452\u003c\/strong\u003e from \u003cstrong\u003eKNOWLES \/ CORNELL DUBILIER\u003c\/strong\u003e. This aluminum electrolytic capacitor is designed for reliable operation in demanding environments, offering high capacitance and robust ripple handling capabilities.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eType: 381LQ - Compact, high ripple, snap-in aluminum electrolytic capacitor\u003c\/li\u003e\n \u003cli\u003eHigher capacitance per case size compared to previous models\u003c\/li\u003e\n \u003cli\u003eTemperature Range: –40 °C to +105 °C\u003c\/li\u003e\n \u003cli\u003eRated Voltage: 400V (up to 450V for ≥ 350Vdc applications)\u003c\/li\u003e\n \u003cli\u003eCapacitance Range: 100 µF to 100,000 µF\u003c\/li\u003e\n \u003cli\u003eCapacitance Tolerance: ±20%\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant\u003c\/li\u003e\n \u003cli\u003ePackage Type: Black (BLK) snap-in\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLeakage Current\u003c\/td\u003e\n \u003ctd\u003e≤3 √CV µA, max 4 mA at 5 minutes\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRipple Current Multipliers\u003c\/td\u003e\n \u003ctd\u003eAt various temperatures and frequencies, up to 1.40 at 450Vdc and 105°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eImpedance Ratio (Z\/Z)\u003c\/td\u003e\n \u003ctd\u003e≤10 at –20°C for 10Vdc; ≤8 for 16–50Vdc; ≤4 for 63–100Vdc; ≤3 for 150–450Vdc\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEndurance Life\u003c\/td\u003e\n \u003ctd\u003e2000 hours at full load, 105°C, capacitance ±20%, ESR 200% of 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, capacitance ±20%, ESR 200% of limit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVibration\u003c\/td\u003e\n \u003ctd\u003e10 to 55 Hz, 0.06” displacement, 2 hours each plane\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDimensions \u0026amp; Packaging\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\u003ePin Style\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJ04\u003c\/td\u003e\n \u003ctd\u003e25\u003c\/td\u003e\n \u003ctd\u003e40\u003c\/td\u003e\n \u003ctd\u003e2 pins, 4.0 mm length\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eA04\u003c\/td\u003e\n \u003ctd\u003e35\u003c\/td\u003e\n \u003ctd\u003e40\u003c\/td\u003e\n \u003ctd\u003e2 pins, 4.0 mm length\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Numbering System: 381LQ 821 M 160 J04 2 A\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-cd\/381lq.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications and application guidelines, please refer to the datasheet linked above. Ensure compatibility with your design requirements before integration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T12:52:25+05:30","created_at":"2025-08-14T12:52:25+05:30","vendor":"Waldom Electonics","type":"Capacitors","tags":["400V","Aluminum","CAP","Capacitors","IMPORT_CSV","KNOWL-CORN-COR","Snap","WLDM"],"price":45596,"price_min":45596,"price_max":45596,"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":50619091419453,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"381LQ221M400H452","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"381LQ221M400H452","public_title":null,"options":["Default Title"],"price":45596,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"381LQ221M400H452","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/381LQ221M400H452_10930826_f6fb0b0c.jpg?v=1755156148"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/381LQ221M400H452_10930826_f6fb0b0c.jpg?v=1755156148","options":["Title"],"media":[{"alt":null,"id":45833015656765,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/381LQ221M400H452_10930826_f6fb0b0c.jpg?v=1755156148"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/381LQ221M400H452_10930826_f6fb0b0c.jpg?v=1755156148","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER CAPACITOR 381LQ221M400H452 - Aluminum Electrolytic Capacitor - Snap In\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the high-performance \u003cstrong\u003ePart Number: 381LQ221M400H452\u003c\/strong\u003e from \u003cstrong\u003eKNOWLES \/ CORNELL DUBILIER\u003c\/strong\u003e. This aluminum electrolytic capacitor is designed for reliable operation in demanding environments, offering high capacitance and robust ripple handling capabilities.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eType: 381LQ - Compact, high ripple, snap-in aluminum electrolytic capacitor\u003c\/li\u003e\n \u003cli\u003eHigher capacitance per case size compared to previous models\u003c\/li\u003e\n \u003cli\u003eTemperature Range: –40 °C to +105 °C\u003c\/li\u003e\n \u003cli\u003eRated Voltage: 400V (up to 450V for ≥ 350Vdc applications)\u003c\/li\u003e\n \u003cli\u003eCapacitance Range: 100 µF to 100,000 µF\u003c\/li\u003e\n \u003cli\u003eCapacitance Tolerance: ±20%\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant\u003c\/li\u003e\n \u003cli\u003ePackage Type: Black (BLK) snap-in\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLeakage Current\u003c\/td\u003e\n \u003ctd\u003e≤3 √CV µA, max 4 mA at 5 minutes\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRipple Current Multipliers\u003c\/td\u003e\n \u003ctd\u003eAt various temperatures and frequencies, up to 1.40 at 450Vdc and 105°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eImpedance Ratio (Z\/Z)\u003c\/td\u003e\n \u003ctd\u003e≤10 at –20°C for 10Vdc; ≤8 for 16–50Vdc; ≤4 for 63–100Vdc; ≤3 for 150–450Vdc\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEndurance Life\u003c\/td\u003e\n \u003ctd\u003e2000 hours at full load, 105°C, capacitance ±20%, ESR 200% of 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, capacitance ±20%, ESR 200% of limit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVibration\u003c\/td\u003e\n \u003ctd\u003e10 to 55 Hz, 0.06” displacement, 2 hours each plane\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDimensions \u0026amp; Packaging\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\u003ePin Style\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJ04\u003c\/td\u003e\n \u003ctd\u003e25\u003c\/td\u003e\n \u003ctd\u003e40\u003c\/td\u003e\n \u003ctd\u003e2 pins, 4.0 mm length\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eA04\u003c\/td\u003e\n \u003ctd\u003e35\u003c\/td\u003e\n \u003ctd\u003e40\u003c\/td\u003e\n \u003ctd\u003e2 pins, 4.0 mm length\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Numbering System: 381LQ 821 M 160 J04 2 A\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-cd\/381lq.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications and application guidelines, please refer to the datasheet linked above. Ensure compatibility with your design requirements before integration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
