Introducing the KNOWLES / CORNELL DUBILIER MLS221M250EK1C aluminum electrolytic capacitor, designed for high-reliability applications requiring long life and robust performance. Encased in a rugged stainless steel case, this capacitor is ideal for military systems and environments with elevated temperatures and vibration.
Product Features
Type: MLS 125 °C Flatpack, Ultra Long Life, Aluminum Electrolytic Capacitor
Capacitance: 220 µF (±20% tolerance)
Rated Voltage: 250 V DC
Package Type: Black (BLK)
Mounting Options: Available with mounting tabs, polyester, or hook leads
High Reliability and Vibration Options: HR and HV variants available
Expected Operating Life: 100 years
Temperature Range: -55 °C to +125 °C
Encased in stainless steel for high vibration and high altitude performance
Specifications & Performance
Parameter
Details
Capacitance Range
220 µF to 47,000 µF
Leakage Current
≤ 0.002 CV µA at 25 °C for 5 minutes
Endurance Life Test
10,000 hours at 85 °C, full load, ±10% capacitance, ESR 200% limit
DC Life Test
2000 hours at rated voltage & 125 °C, ±10% capacitance, ESR 200% limit
Shelf Life Test
500 hours at 125 °C, capacitance and ESR within limits
Vibration Resistance
10g, 10 Hz to 2 kHz sine swept, 36 cycles in three perpendicular directions
RoHS Compliance
Yes
ECCN
EAR99
Package Type
Black (BLK)
Part Number
MLS221M250EK1C
Manufacturer
KNOWLES / CORNELL DUBILIER
Country of Origin
US
UOM
EA
Additional Details
The MLS series features near-hermetic welded seals, stainless-steel cases, and is capable of withstanding altitudes over 80,000 feet. Variants include high vibration (HV) and high reliability (HR) options, suitable for demanding military and aerospace applications.
For detailed specifications and performance curves, please refer to the datasheet.
Images
Note: Datasheet was not processed please search the internet for the part number MLS221M250EK1C for more details.
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{"id":10022336954685,"title":"MLS221M250EK1C","handle":"mls221m250ek1c","description":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER CAPACITOR MLS221M250EK1C\u003c\/h3\u003e\n\u003cp\u003eIntroducing the KNOWLES \/ CORNELL DUBILIER MLS221M250EK1C aluminum electrolytic capacitor, designed for high-reliability applications requiring long life and robust performance. Encased in a rugged stainless steel case, this capacitor is ideal for military systems and environments with elevated temperatures and vibration.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: MLS 125 °C Flatpack, Ultra Long Life, Aluminum Electrolytic Capacitor\u003c\/li\u003e\n\u003cli\u003eCapacitance: 220 µF (±20% tolerance)\u003c\/li\u003e\n\u003cli\u003eRated Voltage: 250 V DC\u003c\/li\u003e\n\u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n\u003cli\u003eMounting Options: Available with mounting tabs, polyester, or hook leads\u003c\/li\u003e\n\u003cli\u003eHigh Reliability and Vibration Options: HR and HV variants available\u003c\/li\u003e\n\u003cli\u003eExpected Operating Life: 100 years\u003c\/li\u003e\n\u003cli\u003eTemperature Range: -55 °C to +125 °C\u003c\/li\u003e\n\u003cli\u003eEncased in stainless steel for high vibration and high altitude performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications \u0026amp; Performance\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\u003eCapacitance Range\u003c\/td\u003e\n\u003ctd\u003e220 µF to 47,000 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current\u003c\/td\u003e\n\u003ctd\u003e≤ 0.002 CV µA at 25 °C for 5 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEndurance Life Test\u003c\/td\u003e\n\u003ctd\u003e10,000 hours at 85 °C, full load, ±10% capacitance, ESR 200% limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Life Test\u003c\/td\u003e\n\u003ctd\u003e2000 hours at rated voltage \u0026amp; 125 °C, ±10% capacitance, ESR 200% limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life Test\u003c\/td\u003e\n\u003ctd\u003e500 hours at 125 °C, capacitance and ESR within limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVibration Resistance\u003c\/th\u003e\n\u003cth\u003e10g, 10 Hz to 2 kHz sine swept, 36 cycles in three perpendicular directions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoHS Compliance\u003c\/th\u003e\n\u003cth\u003eYes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eECCN\u003c\/th\u003e\n\u003cth\u003eEAR99\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Type\u003c\/th\u003e\n\u003cth\u003eBlack (BLK)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eMLS221M250EK1C\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003cth\u003eKNOWLES \/ CORNELL DUBILIER\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003cth\u003eUS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUOM\u003c\/th\u003e\n\u003cth\u003eEA\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cp\u003eThe MLS series features near-hermetic welded seals, stainless-steel cases, and is capable of withstanding altitudes over 80,000 feet. Variants include high vibration (HV) and high reliability (HR) options, suitable for demanding military and aerospace applications.\u003c\/p\u003e\n\u003cp\u003eFor detailed specifications and performance curves, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-cd\/1215167447104879mls.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eImages\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.waldomapac.com\/upload\/parts\/images\/large\/43855507.jpg\" alt=\"MLS221M250EK1C Capacitor\"\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed please search the internet for the part number MLS221M250EK1C for more details.\u003c\/p\u003e","published_at":"2025-08-13T07:35:26+05:30","created_at":"2025-08-13T07:35:26+05:30","vendor":"Waldom Electonics","type":"Capacitors","tags":["IMPORT_CSV","WLDM"],"price":2793302,"price_min":2793302,"price_max":2793302,"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":50614377283901,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MLS221M250EK1C","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MLS221M250EK1C","public_title":null,"options":["Default Title"],"price":2793302,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"MLS221M250EK1C","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/MLS221M250EK1C_43855507_6b7195fb.jpg?v=1755050730"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MLS221M250EK1C_43855507_6b7195fb.jpg?v=1755050730","options":["Title"],"media":[{"alt":null,"id":45811948552509,"position":1,"preview_image":{"aspect_ratio":1.5,"height":200,"width":300,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MLS221M250EK1C_43855507_6b7195fb.jpg?v=1755050730"},"aspect_ratio":1.5,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MLS221M250EK1C_43855507_6b7195fb.jpg?v=1755050730","width":300}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER CAPACITOR MLS221M250EK1C\u003c\/h3\u003e\n\u003cp\u003eIntroducing the KNOWLES \/ CORNELL DUBILIER MLS221M250EK1C aluminum electrolytic capacitor, designed for high-reliability applications requiring long life and robust performance. Encased in a rugged stainless steel case, this capacitor is ideal for military systems and environments with elevated temperatures and vibration.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: MLS 125 °C Flatpack, Ultra Long Life, Aluminum Electrolytic Capacitor\u003c\/li\u003e\n\u003cli\u003eCapacitance: 220 µF (±20% tolerance)\u003c\/li\u003e\n\u003cli\u003eRated Voltage: 250 V DC\u003c\/li\u003e\n\u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n\u003cli\u003eMounting Options: Available with mounting tabs, polyester, or hook leads\u003c\/li\u003e\n\u003cli\u003eHigh Reliability and Vibration Options: HR and HV variants available\u003c\/li\u003e\n\u003cli\u003eExpected Operating Life: 100 years\u003c\/li\u003e\n\u003cli\u003eTemperature Range: -55 °C to +125 °C\u003c\/li\u003e\n\u003cli\u003eEncased in stainless steel for high vibration and high altitude performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications \u0026amp; Performance\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\u003eCapacitance Range\u003c\/td\u003e\n\u003ctd\u003e220 µF to 47,000 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current\u003c\/td\u003e\n\u003ctd\u003e≤ 0.002 CV µA at 25 °C for 5 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEndurance Life Test\u003c\/td\u003e\n\u003ctd\u003e10,000 hours at 85 °C, full load, ±10% capacitance, ESR 200% limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Life Test\u003c\/td\u003e\n\u003ctd\u003e2000 hours at rated voltage \u0026amp; 125 °C, ±10% capacitance, ESR 200% limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life Test\u003c\/td\u003e\n\u003ctd\u003e500 hours at 125 °C, capacitance and ESR within limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVibration Resistance\u003c\/th\u003e\n\u003cth\u003e10g, 10 Hz to 2 kHz sine swept, 36 cycles in three perpendicular directions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoHS Compliance\u003c\/th\u003e\n\u003cth\u003eYes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eECCN\u003c\/th\u003e\n\u003cth\u003eEAR99\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Type\u003c\/th\u003e\n\u003cth\u003eBlack (BLK)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eMLS221M250EK1C\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003cth\u003eKNOWLES \/ CORNELL DUBILIER\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003cth\u003eUS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUOM\u003c\/th\u003e\n\u003cth\u003eEA\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cp\u003eThe MLS series features near-hermetic welded seals, stainless-steel cases, and is capable of withstanding altitudes over 80,000 feet. Variants include high vibration (HV) and high reliability (HR) options, suitable for demanding military and aerospace applications.\u003c\/p\u003e\n\u003cp\u003eFor detailed specifications and performance curves, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-cd\/1215167447104879mls.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eImages\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.waldomapac.com\/upload\/parts\/images\/large\/43855507.jpg\" alt=\"MLS221M250EK1C Capacitor\"\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed please search the internet for the part number MLS221M250EK1C for more details.\u003c\/p\u003e"}