 Newark | 48K9471 | 1 | 623 | 1 | 1 @ $1.43, 10 @ $1.23, 25 @ $1.16, 50 @ $1.12, 100 @ $1.10, 250 @ $1.06, 500 @ $1.00, 1000 @ $0.89 |
| ebay.com | BK/C520-250-R | 1 | -2 | 1 | |
| Graybar | 25142028 | 100 | | 100 | 1 @ $237.63 |
| Galco | BK/C520-250-R-BUSS | 1 | | 1 | |
| Waldom | EATON ELECTRONICS BK/C520-250-R | 1 | | 1 | |
 Digi-Key | 1023868 | 1 | 4467 | 1 | 1 @ $1.42, 5 @ $1.37, 10 @ $1.28, 50 @ $1.06, 100 @ $0.89, 250 @ $0.86, 500 @ $0.73, 1000 @ $0.64, 5000 @ $0.58 |
 Platt.com | 0498001 | 1 | | 1 | 1 @ $2.96 |
| us.rs-online.com | 70227488 | 200 | | 1 | 200 @ $0.79 |
| Allied Electronics | 70227488 | 1 | | 1 | |
| us.rs-online.com | 71927909 | 100 | | 100 | 100 @ $6.96, 200 @ $6.83, 500 @ $6.80, 1000 @ $6.77 |
| 1Source | BK/C520-250-R | 1 | | 1 | |
| Allied Electronics | 71927909 | 100 | | 100 | |
 turtle.com | BUS BK/C520-250-R | 1 | -2 | 1 | 1 @ $215.92 |
| Waldom | EATON BK/C520-250-R | 1 | | 1 | 1 @ $1.57, 25 @ $1.49, 50 @ $1.46, 100 @ $1.41, 1000 @ $0.46, 5000 @ $0.42 |
| iodParts | BK/C520-250-R | 1 | 800 | 1 | |
 Radwell | BKC520250R | 100 | | 100 | 1 @ $0.91 |
| Hotenda | H574676 | 1 | | 1 | 1 @ $0.98, 5 @ $0.95, 10 @ $0.89, 50 @ $0.73, 100 @ $0.61, 250 @ $0.60, 500 @ $0.50 |
 Onlinecomponents.com | BK/C520-250-R | 1 | 425 | 1 | 1 @ $0.54, 100 @ $0.46, 200 @ $0.43, 500 @ $0.40, 1000 @ $0.36 |
 Onlinecomponents.com | C520-250-R | 1 | 35 | 1 | 1 @ $1.32, 25 @ $1.25, 100 @ $1.19, 500 @ $0.55, 1000 @ $0.41, 5000 @ $0.37, 10000 @ $0.35 |