| Master Electronics | C5202R | 0.45 | 1 | 369 | | Cooper Bussmann | | 0.45 @ 10 |
| Electro Sonic | C5202R | 0.477 | 1 | 420 | | Cooper Bussmann | | 0.477 @ 10 |
| Hotenda | H574521 | 0.668 | 1 | 10 | | Eaton (formerly Cooper Bussmann) | | 0.668 @ 10 |
 | Radwell | BKC5202R | 0.85 | 100 | 10 | | BUSSMANN | | 0.85 @ 100 |
 | swatee.com | BK/C520-2-R | 0.95 | 1 | 14 | | Eaton | | 0.95 @ 10 |
| Verical | BKC5202R | 1.1706 | 20 | 100 | | Eaton | | 1.1706 @ 20 |
| Onlinecomponents.com | C520-2-R | 1.32 | 1 | 420 | | BUSSMANN / EATON | | 1.32 @ 10 |
| crescentelectric.com | 633977 | 1.53 | 1 | 10 | | Eaton Bussmann series | | 1.53 @ 10 |
| Waldom | EATON ELECTRONICS BK/C520-2-R | 1.57 | 1 | 10 | | Eaton Electronics | | 1.57 @ 10 |
 | Galco | BK/C520-2-R-BUSS | 2.04 | 100 | 10 | | Bussmann | | 2.04 @ 100 |
 | Zoro | G305879858 | 2.37 | 100 | 10 | | Cooper Bussmann | | 2.37 @ 100 |
 | Platt.com | 0953442 | 2.96 | 1 | 10 | | Eaton/Bussmann Series | | 2.96 @ 10 |
 | Newark | 48K9470 | 3.51 | 1 | 80 | | EATON ELECTRONICS | | 3.51 @ 10 |
| Digi-Key | 1023875 | 3.987 | 1 | 10 | | Eaton - Electronics Division | | 3.987 @ 10 |
| AmazonTP | B00HKIP40G | 5.99 | 1 | 10 | 2 | Cooper Bussmann | | 5.99 @ 10 |
| us.rs-online.com | 71927911 | 10.21 | 100 | 10 | | Eaton Electronics | | 10.21 @ 100 |
 | turtle.com | BUS BK/C520-2-R | 215.92 | 1 | 10 | | Eaton | | 215.92 @ 10 |
| Graybar | 25142029 | 224.728 | 100 | 10 | | Bussmann (Eaton) | | 224.728 @ 100 |
