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WBR40-350A
Aluminum Electrolytic Capacitor WBR40-350A
Enhance your electronic designs with the KNOWLES / CORNELL DUBILIER Aluminum Electrolytic Capacitor, part number WBR40-350A . This polarized capacitor is ideal for industrial applications requiring high capacitance, extended lifespan, and rugged construction.
Part Number: WBR40-350A
Manufacturer: KNOWLES / CORNELL DUBILIER
Country of Origin (COO): US
Unit of Measure (UOM): EA
ECCN: EAR99
Package Type: BLK
Datasheet: Download Datasheet
Product Features
High capacitance with extended operational life
Rugged construction suitable for industrial environments
High vibration resistance for demanding applications
Specifications
Parameter
Details
Temperature Range
–40 ºC to +85 ºC
Rated Voltage Range
16 to 450 Vdc
Capacitance Range
1.0 to 5,000 µF
Capacitance Tolerance
16 to 50 Vdc: –10% to +150%; 75 to 350 Vdc: –10% to +100%; 450 Vdc: –10% to +50%
Leakage Current
16-75 Vdc ≤ 0.01CV + 10 µA; 150-450 Vdc ≤ 0.03CV + 20 µA
Ripple Current Multipliers
At 45 ºC ambient temperature: 1.50; at 85 ºC: 1.00; Frequency factors vary from 0.85 to 1.15 depending on voltage and frequency
Load Life
2,000 hours at +85 ºC with capacitance within ±20%, ESR within 150%, DCL within 100% of limits
Shelf Life
500 hours at 85 ºC with similar parameters as load life
Vibration
10 to 55 Hz; 0.06” displacement and 10 g maximum, 2 hours in each plane
Outline Drawing
Temperature (ºC)
45
55
65
75
85
95
105
Outline Multiplier
1.50
1.46
1.32
1.17
1.00
0.79
0.50
Electrical Characteristics at Various Voltages and Frequencies
Frequency
60 Hz
120 Hz
400 Hz
1000 Hz
10 kHz
50 kHz
100 kHz
0-60 Vdc
0.85
1.00
1.10
1.15
1.15
1.15
1.15
61-200 Vdc
0.83
1.00
1.15
1.20
1.20
1.20
1.20
Additional Information
This product is RoHS compliant. For detailed regulatory information, please visit Regulatory Declaration .
Note: All product drawings, descriptions, specifications, statements, information, and data are subject to change. Please verify the latest details before placing an order. For more information, search the internet for the part number WBR40-350A .
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{"id":10024531591485,"title":"WBR40-350A","handle":"wbr40-350a","description":"\u003ch3\u003eAluminum Electrolytic Capacitor WBR40-350A\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic designs with the KNOWLES \/ CORNELL DUBILIER Aluminum Electrolytic Capacitor, part number \u003cstrong\u003eWBR40-350A\u003c\/strong\u003e. This polarized capacitor is ideal for industrial applications requiring high capacitance, extended lifespan, and rugged construction.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e WBR40-350A\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 (COO):\u003c\/strong\u003e US\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 \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/cd-wbr40-350a.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\u003eHigh capacitance with extended operational life\u003c\/li\u003e\n \u003cli\u003eRugged construction suitable for industrial environments\u003c\/li\u003e\n \u003cli\u003eHigh vibration resistance for demanding applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\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\u003eTemperature Range\u003c\/td\u003e\n \u003ctd\u003e–40 ºC to +85 ºC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRated Voltage Range\u003c\/td\u003e\n \u003ctd\u003e16 to 450 Vdc\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCapacitance Range\u003c\/td\u003e\n \u003ctd\u003e1.0 to 5,000 µF\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCapacitance Tolerance\u003c\/td\u003e\n \u003ctd\u003e16 to 50 Vdc: –10% to +150%; 75 to 350 Vdc: –10% to +100%; 450 Vdc: –10% to +50%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLeakage Current\u003c\/td\u003e\n \u003ctd\u003e16-75 Vdc ≤ 0.01CV + 10 µA; 150-450 Vdc ≤ 0.03CV + 20 µA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRipple Current Multipliers\u003c\/td\u003e\n \u003ctd\u003eAt 45 ºC ambient temperature: 1.50; at 85 ºC: 1.00; Frequency factors vary from 0.85 to 1.15 depending on voltage and frequency\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLoad Life\u003c\/td\u003e\n \u003ctd\u003e2,000 hours at +85 ºC with capacitance within ±20%, ESR within 150%, DCL within 100% of limits\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eShelf Life\u003c\/td\u003e\n \u003ctd\u003e500 hours at 85 ºC with similar parameters as load life\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 and 10 g maximum, 2 hours in each plane\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOutline Drawing\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eTemperature (ºC)\u003c\/th\u003e\n \u003cth\u003e45\u003c\/th\u003e\n \u003cth\u003e55\u003c\/th\u003e\n \u003cth\u003e65\u003c\/th\u003e\n \u003cth\u003e75\u003c\/th\u003e\n \u003cth\u003e85\u003c\/th\u003e\n \u003cth\u003e95\u003c\/th\u003e\n \u003cth\u003e105\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOutline Multiplier\u003c\/td\u003e\n \u003ctd\u003e1.50\u003c\/td\u003e\n \u003ctd\u003e1.46\u003c\/td\u003e\n \u003ctd\u003e1.32\u003c\/td\u003e\n \u003ctd\u003e1.17\u003c\/td\u003e\n \u003ctd\u003e1.00\u003c\/td\u003e\n \u003ctd\u003e0.79\u003c\/td\u003e\n \u003ctd\u003e0.50\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical Characteristics at Various Voltages and Frequencies\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eFrequency\u003c\/th\u003e\n \u003cth\u003e60 Hz\u003c\/th\u003e\n \u003cth\u003e120 Hz\u003c\/th\u003e\n \u003cth\u003e400 Hz\u003c\/th\u003e\n \u003cth\u003e1000 Hz\u003c\/th\u003e\n \u003cth\u003e10 kHz\u003c\/th\u003e\n \u003cth\u003e50 kHz\u003c\/th\u003e\n \u003cth\u003e100 kHz\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e0-60 Vdc\u003c\/td\u003e\n \u003ctd\u003e0.85\u003c\/td\u003e\n \u003ctd\u003e1.00\u003c\/td\u003e\n \u003ctd\u003e1.10\u003c\/td\u003e\n \u003ctd\u003e1.15\u003c\/td\u003e\n \u003ctd\u003e1.15\u003c\/td\u003e\n \u003ctd\u003e1.15\u003c\/td\u003e\n \u003ctd\u003e1.15\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e61-200 Vdc\u003c\/td\u003e\n \u003ctd\u003e0.83\u003c\/td\u003e\n \u003ctd\u003e1.00\u003c\/td\u003e\n \u003ctd\u003e1.15\u003c\/td\u003e\n \u003ctd\u003e1.20\u003c\/td\u003e\n \u003ctd\u003e1.20\u003c\/td\u003e\n \u003ctd\u003e1.20\u003c\/td\u003e\n \u003ctd\u003e1.20\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis product is RoHS compliant. For detailed regulatory information, please visit \u003ca href=\"https:\/\/www.cde.com\/resources\/ROHS\/CDE-Regulatory-Declaration.pdf\" target=\"_blank\"\u003eRegulatory Declaration\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: All product drawings, descriptions, specifications, statements, information, and data are subject to change. Please verify the latest details before placing an order. For more information, search the internet for the part number \u003cstrong\u003eWBR40-350A\u003c\/strong\u003e.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T07:50:18+05:30","created_at":"2025-08-14T07:50:18+05:30","vendor":"Waldom Electonics","type":"Capacitors","tags":["Aluminum","Axial","Capacitor","IMPORT_CSV","KNOWL-CORN-COR","WLDM"],"price":221330,"price_min":221330,"price_max":221330,"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":50618573619517,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"WBR40-350A","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"WBR40-350A","public_title":null,"options":["Default Title"],"price":221330,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"WBR40-350A","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/WBR40-350A_10950223_24666fb5.jpg?v=1755138021"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WBR40-350A_10950223_24666fb5.jpg?v=1755138021","options":["Title"],"media":[{"alt":null,"id":45829681054013,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WBR40-350A_10950223_24666fb5.jpg?v=1755138021"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WBR40-350A_10950223_24666fb5.jpg?v=1755138021","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eAluminum Electrolytic Capacitor WBR40-350A\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic designs with the KNOWLES \/ CORNELL DUBILIER Aluminum Electrolytic Capacitor, part number \u003cstrong\u003eWBR40-350A\u003c\/strong\u003e. This polarized capacitor is ideal for industrial applications requiring high capacitance, extended lifespan, and rugged construction.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e WBR40-350A\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 (COO):\u003c\/strong\u003e US\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 \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cd\/cd-wbr40-350a.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\u003eHigh capacitance with extended operational life\u003c\/li\u003e\n \u003cli\u003eRugged construction suitable for industrial environments\u003c\/li\u003e\n \u003cli\u003eHigh vibration resistance for demanding applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\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\u003eTemperature Range\u003c\/td\u003e\n \u003ctd\u003e–40 ºC to +85 ºC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRated Voltage Range\u003c\/td\u003e\n \u003ctd\u003e16 to 450 Vdc\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCapacitance Range\u003c\/td\u003e\n \u003ctd\u003e1.0 to 5,000 µF\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCapacitance Tolerance\u003c\/td\u003e\n \u003ctd\u003e16 to 50 Vdc: –10% to +150%; 75 to 350 Vdc: –10% to +100%; 450 Vdc: –10% to +50%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLeakage Current\u003c\/td\u003e\n \u003ctd\u003e16-75 Vdc ≤ 0.01CV + 10 µA; 150-450 Vdc ≤ 0.03CV + 20 µA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRipple Current Multipliers\u003c\/td\u003e\n \u003ctd\u003eAt 45 ºC ambient temperature: 1.50; at 85 ºC: 1.00; Frequency factors vary from 0.85 to 1.15 depending on voltage and frequency\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLoad Life\u003c\/td\u003e\n \u003ctd\u003e2,000 hours at +85 ºC with capacitance within ±20%, ESR within 150%, DCL within 100% of limits\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eShelf Life\u003c\/td\u003e\n \u003ctd\u003e500 hours at 85 ºC with similar parameters as load life\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 and 10 g maximum, 2 hours in each plane\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOutline Drawing\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eTemperature (ºC)\u003c\/th\u003e\n \u003cth\u003e45\u003c\/th\u003e\n \u003cth\u003e55\u003c\/th\u003e\n \u003cth\u003e65\u003c\/th\u003e\n \u003cth\u003e75\u003c\/th\u003e\n \u003cth\u003e85\u003c\/th\u003e\n \u003cth\u003e95\u003c\/th\u003e\n \u003cth\u003e105\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOutline Multiplier\u003c\/td\u003e\n \u003ctd\u003e1.50\u003c\/td\u003e\n \u003ctd\u003e1.46\u003c\/td\u003e\n \u003ctd\u003e1.32\u003c\/td\u003e\n \u003ctd\u003e1.17\u003c\/td\u003e\n \u003ctd\u003e1.00\u003c\/td\u003e\n \u003ctd\u003e0.79\u003c\/td\u003e\n \u003ctd\u003e0.50\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical Characteristics at Various Voltages and Frequencies\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eFrequency\u003c\/th\u003e\n \u003cth\u003e60 Hz\u003c\/th\u003e\n \u003cth\u003e120 Hz\u003c\/th\u003e\n \u003cth\u003e400 Hz\u003c\/th\u003e\n \u003cth\u003e1000 Hz\u003c\/th\u003e\n \u003cth\u003e10 kHz\u003c\/th\u003e\n \u003cth\u003e50 kHz\u003c\/th\u003e\n \u003cth\u003e100 kHz\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e0-60 Vdc\u003c\/td\u003e\n \u003ctd\u003e0.85\u003c\/td\u003e\n \u003ctd\u003e1.00\u003c\/td\u003e\n \u003ctd\u003e1.10\u003c\/td\u003e\n \u003ctd\u003e1.15\u003c\/td\u003e\n \u003ctd\u003e1.15\u003c\/td\u003e\n \u003ctd\u003e1.15\u003c\/td\u003e\n \u003ctd\u003e1.15\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e61-200 Vdc\u003c\/td\u003e\n \u003ctd\u003e0.83\u003c\/td\u003e\n \u003ctd\u003e1.00\u003c\/td\u003e\n \u003ctd\u003e1.15\u003c\/td\u003e\n \u003ctd\u003e1.20\u003c\/td\u003e\n \u003ctd\u003e1.20\u003c\/td\u003e\n \u003ctd\u003e1.20\u003c\/td\u003e\n \u003ctd\u003e1.20\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis product is RoHS compliant. For detailed regulatory information, please visit \u003ca href=\"https:\/\/www.cde.com\/resources\/ROHS\/CDE-Regulatory-Declaration.pdf\" target=\"_blank\"\u003eRegulatory Declaration\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: All product drawings, descriptions, specifications, statements, information, and data are subject to change. Please verify the latest details before placing an order. For more information, search the internet for the part number \u003cstrong\u003eWBR40-350A\u003c\/strong\u003e.\u003c\/p\u003e\u003cbr\u003e"}
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