The EATON ELECTRONICS BUSS SMALL DIMENSION FUSE (Part Number: MDA-4-R) is a high-reliability ceramic tube time delay fuse designed for primary circuit protection in various electronic applications. Manufactured in China (COO: CN), this fuse offers robust performance for LED lighting, televisions, appliances, printers, and peripherals.
Key features include:
Ceramic tube construction with time delay characteristics
Rated for 250 Vac / 125 Vdc, with current ratings from 0.25 A to 30 A
Compact ¼” x 1¼” (6.3 x 32 mm) footprint suitable for space-constrained designs
Available in cartridge and axial lead configurations
Compatible with various fuse accessories, including test equipment and UPS systems
Electrical specifications:
Rating
% Amp Rating
Opening Time
250 mA to 30 A
100%
4 hours
250 mA to 30 A
135%
Maximum 60 minutes
250 mA to 30 A
200%
Maximum 120 seconds
Electrical characteristics vary by part number, with ratings such as:
MDA-1/4-R: 0.25 A, 250 Vac, 9100 mΩ resistance, 2900 mV voltage drop
MDA-30-R: 30 A, 250 Vac, 2.5 A, 110 Vdc, 2.5 mΩ resistance, 110 V voltage drop
Dimensions:
Dimension
Size (mm)
A
31.75 ± 0.79
B
6.35 ± 0.1
C
32.82 ± 0.79
D
38.1 (ref)
E
6.76 (ref)
F
1.02 ± 0.05 (for 20 A and above)
Operating temperature range: -55°C to +125°C with appropriate derating. Mechanical shock and vibration tests comply with MIL-STD standards.
Environmental compliance includes halogen-free and RoHS compliance.
For detailed specifications and accessories, please refer to the datasheet.
Product packaging options include tin trays, boxes, and reels, suitable for various manufacturing needs.
Part Number: MDA-4-R
Manufacturer: EATON ELECTRONICS
Country of Origin: CN
Unit of Measure: EA
ECCN: EAR99
Package Type: BLK
For more detailed technical data, visit the datasheet.
{"id":10025021112637,"title":"MDA-4-R","handle":"mda-4-r","description":"\u003ch3\u003eProduct Description: EATON ELECTRONICS BUSS SMALL DIMENSION FUSE (Part Number: MDA-4-R)\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEATON ELECTRONICS BUSS SMALL DIMENSION FUSE\u003c\/strong\u003e (Part Number: \u003cstrong\u003eMDA-4-R\u003c\/strong\u003e) is a high-reliability ceramic tube time delay fuse designed for primary circuit protection in various electronic applications. Manufactured in China (COO: CN), this fuse offers robust performance for LED lighting, televisions, appliances, printers, and peripherals.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCeramic tube construction with time delay characteristics\u003c\/li\u003e\n\u003cli\u003eRated for 250 Vac \/ 125 Vdc, with current ratings from 0.25 A to 30 A\u003c\/li\u003e\n\u003cli\u003eCompact ¼” x 1¼” (6.3 x 32 mm) footprint suitable for space-constrained designs\u003c\/li\u003e\n\u003cli\u003eAvailable in cartridge and axial lead configurations\u003c\/li\u003e\n\u003cli\u003eCompatible with various fuse accessories, including test equipment and UPS systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElectrical specifications:\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003cth\u003e% Amp Rating\u003c\/th\u003e\n\u003cth\u003eOpening Time\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mA to 30 A\u003c\/td\u003e\n\u003ctd\u003e100%\u003c\/td\u003e\n\u003ctd\u003e4 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mA to 30 A\u003c\/td\u003e\n\u003ctd\u003e135%\u003c\/td\u003e\n\u003ctd\u003eMaximum 60 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mA to 30 A\u003c\/td\u003e\n\u003ctd\u003e200%\u003c\/td\u003e\n\u003ctd\u003eMaximum 120 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eElectrical characteristics vary by part number, with ratings such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMDA-1\/4-R: 0.25 A, 250 Vac, 9100 mΩ resistance, 2900 mV voltage drop\u003c\/li\u003e\n\u003cli\u003eMDA-30-R: 30 A, 250 Vac, 2.5 A, 110 Vdc, 2.5 mΩ resistance, 110 V voltage drop\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDimensions:\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eSize (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003e31.75 ± 0.79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003e6.35 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003ctd\u003e32.82 ± 0.79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003e38.1 (ref)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003e6.76 (ref)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003ctd\u003e1.02 ± 0.05 (for 20 A and above)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eOperating temperature range: -55°C to +125°C with appropriate derating. Mechanical shock and vibration tests comply with MIL-STD standards.\u003c\/p\u003e\n\u003cp\u003eEnvironmental compliance includes halogen-free and RoHS compliance.\u003c\/p\u003e\n\u003cp\u003eFor detailed specifications and accessories, 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\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eProduct packaging options include tin trays, boxes, and reels, suitable for various manufacturing needs.\u003c\/p\u003e\n\u003cp\u003ePart Number: \u003cstrong\u003eMDA-4-R\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer: \u003cstrong\u003eEATON ELECTRONICS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: \u003cstrong\u003eCN\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnit of Measure: \u003cstrong\u003eEA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePackage Type: \u003cstrong\u003eBLK\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor more detailed technical data, visit 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\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T15:52:14+05:30","created_at":"2025-08-14T15:52:14+05:30","vendor":"Waldom Electonics","type":"","tags":["BUSS","EATON-ELE","IMPORT_CSV","WLDM"],"price":45874,"price_min":45874,"price_max":45874,"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":50619393343805,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MDA-4-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MDA-4-R","public_title":null,"options":["Default Title"],"price":45874,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"MDA-4-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/10812144.jpg?v=1755166937"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/10812144.jpg?v=1755166937","options":["Title"],"media":[{"alt":null,"id":45835274158397,"position":1,"preview_image":{"aspect_ratio":1.0,"height":420,"width":420,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/10812144.jpg?v=1755166937"},"aspect_ratio":1.0,"height":420,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/10812144.jpg?v=1755166937","width":420}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: EATON ELECTRONICS BUSS SMALL DIMENSION FUSE (Part Number: MDA-4-R)\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEATON ELECTRONICS BUSS SMALL DIMENSION FUSE\u003c\/strong\u003e (Part Number: \u003cstrong\u003eMDA-4-R\u003c\/strong\u003e) is a high-reliability ceramic tube time delay fuse designed for primary circuit protection in various electronic applications. Manufactured in China (COO: CN), this fuse offers robust performance for LED lighting, televisions, appliances, printers, and peripherals.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCeramic tube construction with time delay characteristics\u003c\/li\u003e\n\u003cli\u003eRated for 250 Vac \/ 125 Vdc, with current ratings from 0.25 A to 30 A\u003c\/li\u003e\n\u003cli\u003eCompact ¼” x 1¼” (6.3 x 32 mm) footprint suitable for space-constrained designs\u003c\/li\u003e\n\u003cli\u003eAvailable in cartridge and axial lead configurations\u003c\/li\u003e\n\u003cli\u003eCompatible with various fuse accessories, including test equipment and UPS systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElectrical specifications:\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003cth\u003e% Amp Rating\u003c\/th\u003e\n\u003cth\u003eOpening Time\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mA to 30 A\u003c\/td\u003e\n\u003ctd\u003e100%\u003c\/td\u003e\n\u003ctd\u003e4 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mA to 30 A\u003c\/td\u003e\n\u003ctd\u003e135%\u003c\/td\u003e\n\u003ctd\u003eMaximum 60 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mA to 30 A\u003c\/td\u003e\n\u003ctd\u003e200%\u003c\/td\u003e\n\u003ctd\u003eMaximum 120 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eElectrical characteristics vary by part number, with ratings such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMDA-1\/4-R: 0.25 A, 250 Vac, 9100 mΩ resistance, 2900 mV voltage drop\u003c\/li\u003e\n\u003cli\u003eMDA-30-R: 30 A, 250 Vac, 2.5 A, 110 Vdc, 2.5 mΩ resistance, 110 V voltage drop\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDimensions:\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eSize (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003e31.75 ± 0.79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003e6.35 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003ctd\u003e32.82 ± 0.79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003e38.1 (ref)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003e6.76 (ref)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003ctd\u003e1.02 ± 0.05 (for 20 A and above)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eOperating temperature range: -55°C to +125°C with appropriate derating. Mechanical shock and vibration tests comply with MIL-STD standards.\u003c\/p\u003e\n\u003cp\u003eEnvironmental compliance includes halogen-free and RoHS compliance.\u003c\/p\u003e\n\u003cp\u003eFor detailed specifications and accessories, 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\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eProduct packaging options include tin trays, boxes, and reels, suitable for various manufacturing needs.\u003c\/p\u003e\n\u003cp\u003ePart Number: \u003cstrong\u003eMDA-4-R\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer: \u003cstrong\u003eEATON ELECTRONICS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: \u003cstrong\u003eCN\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnit of Measure: \u003cstrong\u003eEA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePackage Type: \u003cstrong\u003eBLK\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor more detailed technical data, visit 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\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\u003cbr\u003e"}
