Part Number: 381LQ391M450A042
Manufacturer: KNOWLES / CORNELL DUBILIER
Country of Origin: MX
Unit of Measure: EA
ECCN: EAR99
Package Type: TRAY
RoHS Compliant: RoHS Compliance Details
Product Features
High capacitance per case size, enabling compact design
Snap-in package for easy installation
Temperature range from –40°C to +105°C
Rated voltage from 10 Vdc to 450 Vdc
Capacitance range from 100 µF to 100,000 µF
RoHS compliant for environmentally responsible applications
Key Specifications
Temperature Range
–40 °C to +105 °C (≤ 315 Vdc), –25 °C to +105 °C (≥ 350 Vdc)
Rated Voltage Range
10 Vdc to 450 Vdc
Capacitance Tolerance
± 20%
Leakage Current
≤ 3 √CV µA, max 4 mA, measured after 5 minutes
Endurance Life Test
2000 hours at full load, 105°C, with capacitance change ±20%, ESR 200% of limit
Shelf Life Test
1000 hours at 105°C, with capacitance change ±20%, ESR 200% of limit
Vibration
10 to 55 Hz, 0.06” displacement, 10 g max, 2 hours per plane
Ripple Current & Impedance
Ambient Temperature
45°C
60°C
70°C
85°C
105°C
Ripple Current Multiplier
2.35
2.20
2.00
1.70
1.00
Voltage
10 - 100 WV
160 - 450 WV
Ripple Current Multiplier
0.93 to 1.15
0.75 to 1.40
Physical Dimensions & Packaging
Available in various sizes with typical dimensions such as:
Case Code
Diameter (mm)
Length (mm)
Weight (grams)
H01
22
25
16
J04
25
40
31
K05
30
50
53
Additional Details
Snap-in design facilitates quick and secure mounting
Designed for high ripple current applications
Part numbering system provides detailed size and voltage information
Datasheet
For detailed specifications and application guidelines, please refer to the product datasheet.
Note: The datasheet was not processed. Please search the internet for the part number 381LQ391M450A042 for more details.
{"id":10024840331581,"title":"381LQ391M450A042","handle":"381lq391m450a042","description":"\u003ch3\u003eAluminum Electrolytic Capacitor - Polarized\u003c\/h3\u003e\n\u003cp\u003ePart Number: 381LQ391M450A042\u003cbr\u003e\nManufacturer: KNOWLES \/ CORNELL DUBILIER\u003cbr\u003e\nCountry of Origin: MX\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: TRAY\u003cbr\u003e\nRoHS Compliant: \u003ca href=\"http:\/\/www.cde.com\/resources\/downloads\/380-381-382-and-383-Series-RoHS-China-RoHS-CM-CofC.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eRoHS Compliance Details\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh capacitance per case size, enabling compact design\u003c\/li\u003e\n \u003cli\u003eSnap-in package for easy installation\u003c\/li\u003e\n \u003cli\u003eTemperature range from –40°C to +105°C\u003c\/li\u003e\n \u003cli\u003eRated voltage from 10 Vdc to 450 Vdc\u003c\/li\u003e\n \u003cli\u003eCapacitance range from 100 µF to 100,000 µF\u003c\/li\u003e\n \u003cli\u003eRoHS compliant for environmentally responsible applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eTemperature Range\u003c\/th\u003e\n \u003ctd\u003e–40 °C to +105 °C (≤ 315 Vdc), –25 °C to +105 °C (≥ 350 Vdc)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eRated Voltage Range\u003c\/th\u003e\n \u003ctd\u003e10 Vdc to 450 Vdc\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCapacitance Tolerance\u003c\/th\u003e\n \u003ctd\u003e± 20%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eLeakage Current\u003c\/th\u003e\n \u003ctd\u003e≤ 3 √CV µA, max 4 mA, measured after 5 minutes\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eEndurance Life Test\u003c\/th\u003e\n \u003ctd\u003e2000 hours at full load, 105°C, with capacitance change ±20%, ESR 200% of limit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eShelf Life Test\u003c\/th\u003e\n \u003ctd\u003e1000 hours at 105°C, with capacitance change ±20%, ESR 200% of limit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eVibration\u003c\/th\u003e\n \u003ctd\u003e10 to 55 Hz, 0.06” displacement, 10 g max, 2 hours per plane\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRipple Current \u0026amp; Impedance\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eAmbient Temperature\u003c\/th\u003e\n \u003cth\u003e45°C\u003c\/th\u003e\n \u003cth\u003e60°C\u003c\/th\u003e\n \u003cth\u003e70°C\u003c\/th\u003e\n \u003cth\u003e85°C\u003c\/th\u003e\n \u003cth\u003e105°C\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRipple Current Multiplier\u003c\/td\u003e\n \u003ctd\u003e2.35\u003c\/td\u003e\n \u003ctd\u003e2.20\u003c\/td\u003e\n \u003ctd\u003e2.00\u003c\/td\u003e\n \u003ctd\u003e1.70\u003c\/td\u003e\n \u003ctd\u003e1.00\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eVoltage\u003c\/th\u003e\n \u003cth\u003e10 - 100 WV\u003c\/th\u003e\n \u003cth\u003e160 - 450 WV\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRipple Current Multiplier\u003c\/td\u003e\n \u003ctd\u003e0.93 to 1.15\u003c\/td\u003e\n \u003ctd\u003e0.75 to 1.40\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions \u0026amp; Packaging\u003c\/h3\u003e\n\u003cp\u003eAvailable in various sizes with typical dimensions such as:\u003c\/p\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\u003eWeight (grams)\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\u003eJ04\u003c\/td\u003e\n \u003ctd\u003e25\u003c\/td\u003e\n \u003ctd\u003e40\u003c\/td\u003e\n \u003ctd\u003e31\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eK05\u003c\/td\u003e\n \u003ctd\u003e30\u003c\/td\u003e\n \u003ctd\u003e50\u003c\/td\u003e\n \u003ctd\u003e53\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSnap-in design facilitates quick and secure mounting\u003c\/li\u003e\n \u003cli\u003eDesigned for high ripple current applications\u003c\/li\u003e\n \u003cli\u003ePart numbering system provides detailed size and voltage information\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/381lq.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eproduct datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet was not processed. Please search the internet for the part number 381LQ391M450A042 for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T12:53:17+05:30","created_at":"2025-08-14T12:53:17+05:30","vendor":"Waldom Electonics","type":"Capacitors","tags":["Aluminum","Capacitor","IMPORT_CSV","KNOWL-CORN-COR","Snap","WLDM"],"price":90084,"price_min":90084,"price_max":90084,"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":50619092238653,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"381LQ391M450A042","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"381LQ391M450A042","public_title":null,"options":["Default Title"],"price":90084,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"381LQ391M450A042","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/381LQ391M450A042_10930929_bec2c89b.jpg?v=1755156200"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/381LQ391M450A042_10930929_bec2c89b.jpg?v=1755156200","options":["Title"],"media":[{"alt":null,"id":45833029157181,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/381LQ391M450A042_10930929_bec2c89b.jpg?v=1755156200"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/381LQ391M450A042_10930929_bec2c89b.jpg?v=1755156200","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eAluminum Electrolytic Capacitor - Polarized\u003c\/h3\u003e\n\u003cp\u003ePart Number: 381LQ391M450A042\u003cbr\u003e\nManufacturer: KNOWLES \/ CORNELL DUBILIER\u003cbr\u003e\nCountry of Origin: MX\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: TRAY\u003cbr\u003e\nRoHS Compliant: \u003ca href=\"http:\/\/www.cde.com\/resources\/downloads\/380-381-382-and-383-Series-RoHS-China-RoHS-CM-CofC.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eRoHS Compliance Details\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh capacitance per case size, enabling compact design\u003c\/li\u003e\n \u003cli\u003eSnap-in package for easy installation\u003c\/li\u003e\n \u003cli\u003eTemperature range from –40°C to +105°C\u003c\/li\u003e\n \u003cli\u003eRated voltage from 10 Vdc to 450 Vdc\u003c\/li\u003e\n \u003cli\u003eCapacitance range from 100 µF to 100,000 µF\u003c\/li\u003e\n \u003cli\u003eRoHS compliant for environmentally responsible applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eTemperature Range\u003c\/th\u003e\n \u003ctd\u003e–40 °C to +105 °C (≤ 315 Vdc), –25 °C to +105 °C (≥ 350 Vdc)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eRated Voltage Range\u003c\/th\u003e\n \u003ctd\u003e10 Vdc to 450 Vdc\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCapacitance Tolerance\u003c\/th\u003e\n \u003ctd\u003e± 20%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eLeakage Current\u003c\/th\u003e\n \u003ctd\u003e≤ 3 √CV µA, max 4 mA, measured after 5 minutes\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eEndurance Life Test\u003c\/th\u003e\n \u003ctd\u003e2000 hours at full load, 105°C, with capacitance change ±20%, ESR 200% of limit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eShelf Life Test\u003c\/th\u003e\n \u003ctd\u003e1000 hours at 105°C, with capacitance change ±20%, ESR 200% of limit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eVibration\u003c\/th\u003e\n \u003ctd\u003e10 to 55 Hz, 0.06” displacement, 10 g max, 2 hours per plane\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRipple Current \u0026amp; Impedance\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eAmbient Temperature\u003c\/th\u003e\n \u003cth\u003e45°C\u003c\/th\u003e\n \u003cth\u003e60°C\u003c\/th\u003e\n \u003cth\u003e70°C\u003c\/th\u003e\n \u003cth\u003e85°C\u003c\/th\u003e\n \u003cth\u003e105°C\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRipple Current Multiplier\u003c\/td\u003e\n \u003ctd\u003e2.35\u003c\/td\u003e\n \u003ctd\u003e2.20\u003c\/td\u003e\n \u003ctd\u003e2.00\u003c\/td\u003e\n \u003ctd\u003e1.70\u003c\/td\u003e\n \u003ctd\u003e1.00\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eVoltage\u003c\/th\u003e\n \u003cth\u003e10 - 100 WV\u003c\/th\u003e\n \u003cth\u003e160 - 450 WV\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRipple Current Multiplier\u003c\/td\u003e\n \u003ctd\u003e0.93 to 1.15\u003c\/td\u003e\n \u003ctd\u003e0.75 to 1.40\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions \u0026amp; Packaging\u003c\/h3\u003e\n\u003cp\u003eAvailable in various sizes with typical dimensions such as:\u003c\/p\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\u003eWeight (grams)\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\u003eJ04\u003c\/td\u003e\n \u003ctd\u003e25\u003c\/td\u003e\n \u003ctd\u003e40\u003c\/td\u003e\n \u003ctd\u003e31\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eK05\u003c\/td\u003e\n \u003ctd\u003e30\u003c\/td\u003e\n \u003ctd\u003e50\u003c\/td\u003e\n \u003ctd\u003e53\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSnap-in design facilitates quick and secure mounting\u003c\/li\u003e\n \u003cli\u003eDesigned for high ripple current applications\u003c\/li\u003e\n \u003cli\u003ePart numbering system provides detailed size and voltage information\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/381lq.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eproduct datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet was not processed. Please search the internet for the part number 381LQ391M450A042 for more details.\u003c\/p\u003e\u003cbr\u003e"}
