Introducing the high-performance supercapacitor from KNOWLES / CORNELL DUBILIER, part number DGH256Q2R7, designed for demanding electronic applications requiring rapid charge/discharge cycles and reliable energy storage. Manufactured in China (CN), this capacitor complies with RoHS standards and is suitable for various high-power applications.
Product Features
Capacitance: 25F with a tolerance of -10% to +30% @ 20°C
Voltage Rating: 2.7V at +65°C / 2.3V at +85°C
Operating Temperature Range: -40°C to +85°C
Storage Temperature Range: -40°C to +70°C
RoHS Compliant
Package Type: Black (BLK)
Suitable for battery backup, pulse power, energy harvesting, and LED applications
Very fast charge/discharge capability with low ESR
High cycle life: 500,000 cycles at 25°C
Long shelf life: 1000 hours at no voltage applied at 65°C
Key Specifications
Parameter
Value
Life Time
1500 hours at rated voltage and temperature
Capacitance Change
<30% of initial value
ESR
<200% of initial specified values* (ESR change <4x at 85°C)
{"id":10026337272125,"title":"DGH256Q2R7","handle":"dgh256q2r7","description":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER Supercapacitors\/Ultracapacitors 25F 2.7V 30\/-10\u003c\/h3\u003e\n\u003cp\u003eIntroducing the high-performance supercapacitor from KNOWLES \/ CORNELL DUBILIER, part number DGH256Q2R7, designed for demanding electronic applications requiring rapid charge\/discharge cycles and reliable energy storage. Manufactured in China (CN), this capacitor complies with RoHS standards and is suitable for various high-power applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCapacitance: 25F with a tolerance of -10% to +30% @ 20°C\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 2.7V at +65°C \/ 2.3V at +85°C\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eStorage Temperature Range: -40°C to +70°C\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant\u003c\/li\u003e\n\u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n\u003cli\u003eSuitable for battery backup, pulse power, energy harvesting, and LED applications\u003c\/li\u003e\n\u003cli\u003eVery fast charge\/discharge capability with low ESR\u003c\/li\u003e\n\u003cli\u003eHigh cycle life: 500,000 cycles at 25°C\u003c\/li\u003e\n\u003cli\u003eLong shelf life: 1000 hours at no voltage applied at 65°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLife Time\u003c\/td\u003e\n\u003ctd\u003e1500 hours at rated voltage and temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance Change\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;30% of initial value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESR\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;200% of initial specified values* (ESR change \u0026lt;4x at 85°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100% of maximum specified value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life\u003c\/td\u003e\n\u003ctd\u003e1000 hours with no voltage at 65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLife Cycles (at 25°C)\u003c\/td\u003e\n\u003ctd\u003e500,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions \u0026amp; Packaging\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance (F)\u003c\/th\u003e\n\u003cth\u003eDimensions (LxHxT) mm\u003c\/th\u003e\n\u003cth\u003eLead Spacing mm\u003c\/th\u003e\n\u003cth\u003eLead Diameter mm\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25F\u003c\/td\u003e\n\u003ctd\u003e21x27x11\u003c\/td\u003e\n\u003ctd\u003e15.5\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: DGH256Q2R7\u003c\/li\u003e\n\u003cli\u003eManufacturer: KNOWLES \/ CORNELL DUBILIER\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ill\/ill-dgh256q2r7.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and technical data, please refer to the provided datasheet link.\u003c\/p\u003e\n\u003cp\u003e*ESR change \u0026lt; 4x at 85°C.\u003c\/p\u003e","published_at":"2025-08-15T06:19:09+05:30","created_at":"2025-08-15T06:19:11+05:30","vendor":"Waldom Electonics","type":"Capacitors","tags":["7V","Capacitor","IMPORT_CSV","IMPORT_PT2","KNOWL-CORN-COR","Supercapacitors","WLDM"],"price":26194,"price_min":26194,"price_max":26194,"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":50622081204541,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DGH256Q2R7","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DGH256Q2R7","public_title":null,"options":["Default Title"],"price":26194,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DGH256Q2R7","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/DGH256Q2R7_49777731_084bbfa1.jpg?v=1755218951"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DGH256Q2R7_49777731_084bbfa1.jpg?v=1755218951","options":["Title"],"media":[{"alt":null,"id":45846968140093,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DGH256Q2R7_49777731_084bbfa1.jpg?v=1755218951"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DGH256Q2R7_49777731_084bbfa1.jpg?v=1755218951","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eKNOWLES \/ CORNELL DUBILIER Supercapacitors\/Ultracapacitors 25F 2.7V 30\/-10\u003c\/h3\u003e\n\u003cp\u003eIntroducing the high-performance supercapacitor from KNOWLES \/ CORNELL DUBILIER, part number DGH256Q2R7, designed for demanding electronic applications requiring rapid charge\/discharge cycles and reliable energy storage. Manufactured in China (CN), this capacitor complies with RoHS standards and is suitable for various high-power applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCapacitance: 25F with a tolerance of -10% to +30% @ 20°C\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 2.7V at +65°C \/ 2.3V at +85°C\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eStorage Temperature Range: -40°C to +70°C\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant\u003c\/li\u003e\n\u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n\u003cli\u003eSuitable for battery backup, pulse power, energy harvesting, and LED applications\u003c\/li\u003e\n\u003cli\u003eVery fast charge\/discharge capability with low ESR\u003c\/li\u003e\n\u003cli\u003eHigh cycle life: 500,000 cycles at 25°C\u003c\/li\u003e\n\u003cli\u003eLong shelf life: 1000 hours at no voltage applied at 65°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLife Time\u003c\/td\u003e\n\u003ctd\u003e1500 hours at rated voltage and temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance Change\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;30% of initial value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESR\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;200% of initial specified values* (ESR change \u0026lt;4x at 85°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100% of maximum specified value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life\u003c\/td\u003e\n\u003ctd\u003e1000 hours with no voltage at 65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLife Cycles (at 25°C)\u003c\/td\u003e\n\u003ctd\u003e500,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions \u0026amp; Packaging\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance (F)\u003c\/th\u003e\n\u003cth\u003eDimensions (LxHxT) mm\u003c\/th\u003e\n\u003cth\u003eLead Spacing mm\u003c\/th\u003e\n\u003cth\u003eLead Diameter mm\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25F\u003c\/td\u003e\n\u003ctd\u003e21x27x11\u003c\/td\u003e\n\u003ctd\u003e15.5\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: DGH256Q2R7\u003c\/li\u003e\n\u003cli\u003eManufacturer: KNOWLES \/ CORNELL DUBILIER\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ill\/ill-dgh256q2r7.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and technical data, please refer to the provided datasheet link.\u003c\/p\u003e\n\u003cp\u003e*ESR change \u0026lt; 4x at 85°C.\u003c\/p\u003e"}
