  | i-components | BK/MDA-12-R | 0.423 | 1 | 82835 | | Bussmann (Eaton) | | 0.423 @ 50 |
  | Walker Industrial | MDA-12-R | 1.1 | 10 | 50 | | Cooper Bussmann | | 1.1 @ 50 |
| Hotenda | H576112 | 1.1832 | 1 | 50 | | Eaton (formerly Cooper Bussmann) | | 1.1832 @ 50 |
  | Carlton Bates Company | 05171265713 | 1.53 | 1 | 150 | | EATON BUSSMANN SERIES | | 1.53 @ 50 |
  | AI Consolidated | MDA-12-R-BUSSMANN | 2.38 | 1 | 50 | | Bussmann Eaton Cooper Fuses | 0.01 | 2.38 @ 50 |
| Dale-Electric | MDA-12-R | 2.4 | 1 | 50 | | Cooper Bussmann | | 2.4 @ 50 |
| Monarch Electric | 344157 | 2.514 | 1 | 50 | | Bussmann | | 2.514 @ 50 |
| Waldom | EATON MDA-12-R | 2.62 | 1 | 50 | | Eaton | | 2.62 @ 50 |
  | superbreakers.com | MDA-12-R | 2.69 | 1 | 50 | | Eaton Bussmann | | 2.69 @ 50 |
  | Allfuses | MDA-12-R | 3.24 | 1 | 50 | | Bussmann | | 3.24 @ 50 |
| Radwell | MDA-1-2-R | 3.25 | 5 | 50 | | BUSSMANN | | 3.25 @ 50 |
  | Newark | 51K3893 | 3.47 | 5 | 50 | | EATON ELECTRONICS | | 3.47 @ 50 |
| us.rs-online.com | 74056801 | 3.65 | 5 | 50 | | Eaton Electronics | | 3.65 @ 50 |
  | Galco | MDA-12-R-BUSS | 3.85 | 5 | 50 | | Bussmann | 0.0055 | 3.85 @ 50 |
| crescentelectric.com | 57557 | 4.22 | 1 | 50 | | Eaton Bussmann series | | 4.22 @ 50 |
  | Platt.com | 0975438 | 4.39 | 1 | 50 | | Eaton/Bussmann Series | | 4.39 @ 50 |
| RS Delivers | 852-7023 | 4.596 | 1 | 109 | | Eaton | | 4.596 @ 50 |
| steinerelectric.com | 459488 | 4.64 | 1 | 50 | | BUSSMANN | | 4.64 @ 50 |
  | Raptor Supplies | AA9DGV | 4.9722075 | 1 | 50 | | BUSSMANN | | 4.9722075 @ 50 |
| Graybar | 25088375 | 5.4432 | 5 | 50 | | Bussmann (Eaton) | | 5.4432 @ 50 |
| Airline Hydraulics | BUSSMANN MDA-12-R | 6.28 | 1 | 50 | | Cooper Bussmann | | 6.28 @ 50 |
| AmazonTP | B00DECWNK6 | 6.4 | 1 | 50 | 20 | Cooper Bussmann | | 6.4 @ 50 |
| AmazonSC | B00DECWNK6 | 6.89 | 1 | 50 | | Cooper Bussmann | | 6.89 @ 50 |
| Digi-Key | 1877881 | 7.062 | 5 | 50 | 68 | Eaton - Electronics Division | | 7.062 @ 50 |
  | National Supply Network | 71918528 | 8.2298 | 5 | 50 | | Cooper Bussmann | | 8.2298 @ 50 |
  | Zoro | G2282156 | 11.97 | 1 | 489 | | Bussmann | 0.01 | 11.97 @ 50 |
  | sustainablesupply.com | C1164655 | 17.59 | 1 | 50 | | Eaton | 0.01 | 17.59 @ 50 |
  | ebay.com_plccenter | MDA-12-R | 104.87 | 1 | 50 | | Eaton | | 104.87 @ 50 |