| Future Electronics | 7844723 | 0.198 | 1000 | 1000 | | Eaton | | 0.198 @ 1000 |
  | iodParts | S501-10-R | 0.562 | 500 | 1090 | | Eaton | | 0.562 @ 500 |
| Waldom | EATON BK1/S501-10-R | 0.73 | 1 | 50 | | Eaton | | 0.73 @ 50 |
  | Digi-Key | 2173083 | 0.94415 | 1000 | 50 | | Eaton - Electronics Division | | 0.94415 @ 1000 |
| us.rs-online.com | 74056481 | 0.96 | 1000 | 50 | | Eaton Electronics | | 0.96 @ 1000 |
  | Newark | 29AJ4158 | 1.25 | 10 | 627 | | EATON BUSSMANN | | 1.25 @ 50 |
| Onlinecomponents.com | S501-10-R | 1.33 | 1 | 50 | | Bussmann / Eaton | | 1.33 @ 50 |
| RS Delivers | 537-1026 | 1.3308 | 1 | 2020 | | Eaton | | 1.3308 @ 50 |
  | Radwell | S501-10-R | 1.72 | 5 | 50 | | BUSSMANN | | 1.72 @ 50 |
  | Walker Industrial | S501-10-R | 2.4 | 5 | 50 | 17 | Cooper Bussmann | | 2.4 @ 50 |
  | AI Consolidated | S501-10-R-BUSSMANN | 2.62 | 1 | 50 | | Bussmann Eaton Cooper Fuses | 0.0206 | 2.62 @ 50 |
| Dale-Electric | S501-10-R | 2.64 | 1 | 50 | | Cooper Bussmann | | 2.64 @ 50 |
  | Galco | S501-10-R-BUSS | 3.99 | 5 | 50 | | Bussmann | 0.01 | 3.99 @ 50 |
| Graybar | 25142349 | 5.4656 | 5 | 50 | | Bussmann (Eaton) | | 5.4656 @ 50 |
  | crescentelectric.com | 222774 | 5.54 | 1 | 50 | | Eaton Bussmann series | | 5.54 @ 50 |
  | Platt.com | 0141038 | 5.76 | 1 | 50 | | Eaton/Bussmann Series | | 5.76 @ 50 |
| AmazonTP | B003ATY5NQ | 8.07 | 1 | 50 | 1 | Bussmann | | 8.07 @ 50 |
| Airline Hydraulics | BUSSMANN S501-10-R | 8.24 | 1 | 50 | | Cooper Bussmann | | 8.24 @ 50 |
  | National Supply Network | 74973900 | 11.1598 | 5 | 50 | | Cooper Bussmann | | 11.1598 @ 50 |
  | Zoro | G1472161 | 15.69 | 1 | 215 | | Eaton Bussmann | 0.03 | 15.69 @ 50 |
| standardelectricsupply.com | 2287084 | 19.65 | 1 | 50 | | Bussmann | | 19.65 @ 50 |
  | sustainablesupply.com | C1168250 | 26.1 | 1 | 50 | | Eaton | 0.03 | 26.1 @ 50 |
| grainger.ca | WWG1VXR3 | 31.58707712 | 1 | 50 | | BUSSMANN | 0.03 | 31.58707712 @ 50 |
  | Raptor Supplies | AB3XVA | 45.14094 | 1 | 50 | | BUSSMANN | | 45.14094 @ 50 |