| us.rs-online.com | 70198557 | 2.6 | 1 | 1 | | TE Connectivity | | 2.6 @ 1 |
| Waldom | TE CONNECTIVITY POTTER-BRUMFIELD W51-A122B1-20 | 2.87 | 20 | 447 | | TE CONNECTIVITY / POTTER-BRUMFIELD | | 2.87 @ 20 |
| Newark | 45AJ9709 | 3.62 | 500 | 444 | | POTTER&BRUMFIELD - TE CONNECTIVITY | | 3.62 @ 500 |
| Onlinecomponents.com | W51-A122B1-20 | 3.65 | 10 | 985 | | TE Connectivity | | 3.65 @ 10 |
| Hotenda | H510381 | 4.44 | 1 | 165 | | TE Connectivity Potter & Brumfield Relays | | 4.44 @ 1 |
| Mouser | 655-W51-A122B1-20 | 5.16 | 1 | 1018 | | TE Connectivity | | 5.16 @ 1 |
  | RS Delivers | 782-8063 | 6.204 | 1 | In Stock | | TE Connectivity | | 6.204 @ 1 |
  | Digi-Key | 678286 | 7.728 | 1 | 1309 | | TE Connectivity Potter & Brumfield Relays | | 7.728 @ 1 |