| Waldom | EATON ELECTRONICS BK/1A5601 | 1 | | 1 | |
| us.rs-online.com | 74084064 | 1000 | | 1000 | 1000 @ $0.29 |
| Digi-Key | 601048 | 1 | | 1 | 1 @ $0.58, 5 @ $0.56, 10 @ $0.55, 50 @ $0.46, 100 @ $0.38, 250 @ $0.35, 500 @ $0.30, 1000 @ $0.26, 5000 @ $0.23 |
 turtle.com | BUS BK/1A5601 | 1 | -2 | 1 | 1 @ $32.54 |
| Waldom | EATON BK/1A5601 | 1 | | 1 | 1 @ $0.22, 250 @ $0.21, 500 @ $0.21, 1000 @ $0.20, 10000 @ $0.18 |
| iodParts | BK/1A5601 | 4000 | 15000 | 4000 | 4000 @ $0.20, 7000 @ $0.19, 13000 @ $0.19 |
 Digi-Key | 283-2832-ND | 1 | 1900 | 1000 | 1 @ $0.51, 5 @ $0.49, 10 @ $0.48, 50 @ $0.40, 100 @ $0.33, 250 @ $0.30, 500 @ $0.26, 1000 @ $0.23 |
| Future Electronics | 1559533 | 1000 | | 1000 | 1000 @ $0.36, 500 @ $0.27, 1000 @ $0.26, 2000 @ $0.25, 3000 @ $0.24 |