| Hotenda | H576108 | 0.75076 | 1 | 500 | | Eaton (formerly Cooper Bussmann) | | 0.75076 @ 500 |
| Arrow | BK/S505-6.3-R | 0.777 | 1 | 1695 | | Cooper Bussmann | | 0.777 @ 500 |
  | Digi-Key | 283-2934-ND | 0.7986 | 1 | 500 | | Eaton - Electronics Division | | 0.7986 @ 500 |
| Onlinecomponents.com | BK/S505-6.3-R | 0.83 | 1 | 700 | | BUSSMANN / EATON | | 0.83 @ 500 |
  | Newark | 48K9933 | 1.13 | 1 | 1646 | | EATON BUSSMANN | | 1.13 @ 500 |
| us.rs-online.com | 70149685 | 1.13 | 1 | 1125 | | Eaton Electronics | | 1.13 @ 500 |
  | iodParts | BK/S505-6.3-R | 1.33 | 250 | 1100 | | Eaton | | 1.13 @ 550 |
| Verical | S505-6.3-R | 1.383 | 3 | 500 | | Cooper Bussmann | | 1.383 @ 500 |
  | Carlton Bates Company | 05171264357 | 1.77 | 1 | 500 | | EATON BUSSMANN SERIES | | 1.77 @ 500 |
  | Radwell | BKS50563R | 1.77 | 1 | 500 | | BUSSMANN | | 1.77 @ 500 |
  | Walker Industrial | S505-6-3-R | 2.12 | 5 | 500 | 17 | Cooper Bussmann | | 2.12 @ 500 |
  | Component Electronics | 501-286 | 2.15 | 1 | 500 | | Bussmann | | 2.15 @ 500 |
| Waldom | Eaton Electronics BK/S505-6.3-R | 2.47 | 100 | 1000 | | Eaton Electronics | | 0.69 @ 1000 |
  | AI Consolidated | S505-6-3-R-BUSSMANN | 2.5 | 1 | 500 | | Bussmann Eaton Cooper Fuses | 0.0196 | 2.5 @ 500 |
| Mouser | 504-S505-6-3-R | 3.38 | 1 | 500 | | Cooper Bussmann | | 3.38 @ 500 |
  | Galco | BK/S505-6.3-R-BUSS | 3.38 | 100 | 500 | | Bussmann | | 3.38 @ 500 |
| Graybar | 25142339 | 4.1552 | 5 | 500 | | Bussmann (Eaton) | | 4.1552 @ 500 |
| crescentelectric.com | 106637 | 5.28 | 1 | 500 | | Eaton Bussmann series | | 5.28 @ 500 |
| steinerelectric.com | 542206 | 5.91 | 1 | 500 | | BUSSMANN | | 5.91 @ 500 |
  | Platt.com | 0957352 | 6.77 | 1 | 500 | | Eaton/Bussmann Series | | 6.77 @ 500 |
| Airline Hydraulics | BUSSMANN S505-6.3-R | 7.85 | 1 | 500 | | Cooper Bussmann | | 7.85 @ 500 |
  | AmazonSC | B009RUA9PU | 8.12 | 1 | 500 | | Cooper Bussmann | | 8.12 @ 500 |
  | National Supply Network | 74682972 | 10.63998 | 5 | 500 | | Cooper Bussmann | | 10.63998 @ 500 |
| AmazonTP | B00LQPXP0K | 21.5 | 1 | 500 | 20 | COOPER BUSSMANN | | 21.5 @ 500 |
  | Raptor Supplies | AB4EDX | 43.3867005 | 1 | 500 | | BUSSMANN | | 43.3867005 @ 500 |
  | Zoro | G205934527 | 73.8 | 1 | 500 | | Eaton Bussmann | | 73.8 @ 500 |
| standardelectricsupply.com | 2354829 | 333.0 | 1 | 500 | | Bussmann | | 333.0 @ 500 |
  | turtle.com | BUS BK/S505-6.3-R | 379.31 | 1 | 500 | | Eaton | | 379.31 @ 500 |