Ensure reliable circuit protection with the Eaton Electronics MDA-20-R cartridge fuse, designed for applications requiring high current capacity and dependable performance. Manufactured in China, this fuse adheres to RoHS standards and is suitable for various electronic and electrical systems.
Key Features
Ceramic tube time delay fuse for enhanced durability and reliability
Voltage Rating: 250 Vac / 125 Vdc
Current Rating: 20A
Compact 1/4” x 1-1/4” (6.3 x 32 mm) footprint, suitable for space-constrained applications
Available in cartridge and axial lead configurations
Designed for primary circuit protection in LED lighting, televisions, appliances, printers, and peripherals
Environmental compliance with RoHS standards
UL Listed and CSA Certified for safety and quality assurance
Electrical and Mechanical Specifications
Rating
Electrical Characteristics
250 mA to 30 A
Time delay operation with multiple trip curves:
4 hours at 100% rated current
Maximum 60 minutes at 135% rated current
Maximum 120 seconds at 200% rated current
Voltage Rating
250 Vac / 125 Vdc
Interrupting Rating
Up to 10,000 A at rated voltage
Physical Dimensions
Cartridge
A
31.75 ± 0.79 mm
B
6.35 ± 0.1 mm
Axial Lead
Dimensions
C
32.82 ± 0.79 mm
D
38.1 mm (ref)
E
6.76 mm (ref)
F
1.02 ± 0.05 mm (for 20A and above)
Environmental and Testing Standards
Operating Temperature: -55°C to +125°C with proper derating
Mechanical Shock: MIL-STD 202G, Condition C/J
Vibration: MIL-STD 202, Method 204, Condition C
Temperature Derating Curve and Current vs. Time Data available for precise application design
{"id":10025020490045,"title":"MDA-20-R","handle":"mda-20-r","description":"\u003ch3\u003eProduct Description: Eaton Electronics Cartridge Fuses 20A 250V (Part Number: MDA-20-R)\u003c\/h3\u003e\n\u003cp\u003eEnsure reliable circuit protection with the Eaton Electronics MDA-20-R cartridge fuse, designed for applications requiring high current capacity and dependable performance. Manufactured in China, this fuse adheres to RoHS standards and is suitable for various electronic and electrical systems.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCeramic tube time delay fuse for enhanced durability and reliability\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 250 Vac \/ 125 Vdc\u003c\/li\u003e\n\u003cli\u003eCurrent Rating: 20A\u003c\/li\u003e\n\u003cli\u003eCompact 1\/4” x 1-1\/4” (6.3 x 32 mm) footprint, suitable for space-constrained applications\u003c\/li\u003e\n\u003cli\u003eAvailable in cartridge and axial lead configurations\u003c\/li\u003e\n\u003cli\u003eDesigned for primary circuit protection in LED lighting, televisions, appliances, printers, and peripherals\u003c\/li\u003e\n\u003cli\u003eEnvironmental compliance with RoHS standards\u003c\/li\u003e\n\u003cli\u003eUL Listed and CSA Certified for safety and quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003cth\u003eElectrical Characteristics\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mA to 30 A\u003c\/td\u003e\n\u003ctd\u003eTime delay operation with multiple trip curves:\n\u003cul\u003e\n\u003cli\u003e4 hours at 100% rated current\u003c\/li\u003e\n\u003cli\u003eMaximum 60 minutes at 135% rated current\u003c\/li\u003e\n\u003cli\u003eMaximum 120 seconds at 200% rated current\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e250 Vac \/ 125 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupting Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 10,000 A at rated voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePhysical Dimensions\u003c\/th\u003e\n\u003cth\u003eCartridge\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003e31.75 ± 0.79 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003e6.35 ± 0.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAxial Lead\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003ctd\u003e32.82 ± 0.79 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003e38.1 mm (ref)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003e6.76 mm (ref)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003ctd\u003e1.02 ± 0.05 mm (for 20A and above)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental and Testing Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Temperature: -55°C to +125°C with proper derating\u003c\/li\u003e\n\u003cli\u003eMechanical Shock: MIL-STD 202G, Condition C\/J\u003c\/li\u003e\n\u003cli\u003eVibration: MIL-STD 202, Method 204, Condition C\u003c\/li\u003e\n\u003cli\u003eTemperature Derating Curve and Current vs. Time Data available for precise application design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 pieces in tin tray (Part Number: MDA-XXX-R)\u003c\/li\u003e\n\u003cli\u003e100 pieces in box (Part Number: BK-MDA-XXX-R)\u003c\/li\u003e\n\u003cli\u003e500 pieces on reel (Part Number: TR-MDA-XXX-R)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, please refer to the \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-mda-time-delay-ceramic-tube-fuses-data-sheet.pdf\" target=\"_blank\"\u003eEaton MDA Fuse Data Sheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePart Number: MDA-20-R, Manufacturer: Eaton Electronics, COO: CN, UOM: EA, ECCN: EAR99, Package Type: BLK\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T15:51:54+05:30","created_at":"2025-08-14T15:51:54+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["20A","250V","Cartridge","Circuit","EATON-ELE","IMPORT_CSV","WLDM"],"price":49616,"price_min":49616,"price_max":49616,"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":50619389641021,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MDA-20-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"MDA-20-R","public_title":null,"options":["Default Title"],"price":49616,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"MDA-20-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/MDA-20-R_10812119_5300c662.jpg?v=1755166918"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MDA-20-R_10812119_5300c662.jpg?v=1755166918","options":["Title"],"media":[{"alt":null,"id":45835264622909,"position":1,"preview_image":{"aspect_ratio":1.07,"height":200,"width":214,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MDA-20-R_10812119_5300c662.jpg?v=1755166918"},"aspect_ratio":1.07,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MDA-20-R_10812119_5300c662.jpg?v=1755166918","width":214}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: Eaton Electronics Cartridge Fuses 20A 250V (Part Number: MDA-20-R)\u003c\/h3\u003e\n\u003cp\u003eEnsure reliable circuit protection with the Eaton Electronics MDA-20-R cartridge fuse, designed for applications requiring high current capacity and dependable performance. Manufactured in China, this fuse adheres to RoHS standards and is suitable for various electronic and electrical systems.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCeramic tube time delay fuse for enhanced durability and reliability\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 250 Vac \/ 125 Vdc\u003c\/li\u003e\n\u003cli\u003eCurrent Rating: 20A\u003c\/li\u003e\n\u003cli\u003eCompact 1\/4” x 1-1\/4” (6.3 x 32 mm) footprint, suitable for space-constrained applications\u003c\/li\u003e\n\u003cli\u003eAvailable in cartridge and axial lead configurations\u003c\/li\u003e\n\u003cli\u003eDesigned for primary circuit protection in LED lighting, televisions, appliances, printers, and peripherals\u003c\/li\u003e\n\u003cli\u003eEnvironmental compliance with RoHS standards\u003c\/li\u003e\n\u003cli\u003eUL Listed and CSA Certified for safety and quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003cth\u003eElectrical Characteristics\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mA to 30 A\u003c\/td\u003e\n\u003ctd\u003eTime delay operation with multiple trip curves:\n\u003cul\u003e\n\u003cli\u003e4 hours at 100% rated current\u003c\/li\u003e\n\u003cli\u003eMaximum 60 minutes at 135% rated current\u003c\/li\u003e\n\u003cli\u003eMaximum 120 seconds at 200% rated current\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e250 Vac \/ 125 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupting Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 10,000 A at rated voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePhysical Dimensions\u003c\/th\u003e\n\u003cth\u003eCartridge\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003e31.75 ± 0.79 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003e6.35 ± 0.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAxial Lead\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003ctd\u003e32.82 ± 0.79 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003e38.1 mm (ref)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003e6.76 mm (ref)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003ctd\u003e1.02 ± 0.05 mm (for 20A and above)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental and Testing Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Temperature: -55°C to +125°C with proper derating\u003c\/li\u003e\n\u003cli\u003eMechanical Shock: MIL-STD 202G, Condition C\/J\u003c\/li\u003e\n\u003cli\u003eVibration: MIL-STD 202, Method 204, Condition C\u003c\/li\u003e\n\u003cli\u003eTemperature Derating Curve and Current vs. Time Data available for precise application design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 pieces in tin tray (Part Number: MDA-XXX-R)\u003c\/li\u003e\n\u003cli\u003e100 pieces in box (Part Number: BK-MDA-XXX-R)\u003c\/li\u003e\n\u003cli\u003e500 pieces on reel (Part Number: TR-MDA-XXX-R)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, please refer to the \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-mda-time-delay-ceramic-tube-fuses-data-sheet.pdf\" target=\"_blank\"\u003eEaton MDA Fuse Data Sheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePart Number: MDA-20-R, Manufacturer: Eaton Electronics, COO: CN, UOM: EA, ECCN: EAR99, Package Type: BLK\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
