| Digi-Key | A-20GQ-ND | 1 | | 1 | 1 @ $30.96 |
 Zoro | G1936751 | 1 | 10 | 1 | 1 @ $28.73 |
| Grainger | 2KRK3 | 1 | | 1 | |
 Radwell | A-20GQ | 1 | | 1 | |
| Digi-Key | Z6739-ND | 1 | 9 | 1 | 1 @ $36.19, 10 @ $27.14, 25 @ $24.88, 50 @ $23.37, 100 @ $21.87, 250 @ $21.11, 500 @ $20.36, 1000 @ $19.98, 5000 @ $19.60 |
| Allied Electronics | 71133325 | 1 | | 1 | |
 Raptor Supplies | AC2JRQ | 1 | | 1 | 1 @ $43.68 |
| Newark | 89C3483 | 1 | | 1 | 1 @ $36.75, 5 @ $33.95, 10 @ $31.48, 25 @ $29.01, 50 @ $27.20, 100 @ $25.71, 250 @ $23.41 |
| Allied Electronics | 71285393 | 1 | | 1 | |
 BDI Express | 706744 | 1 | | 1 | |
| Digi-Key | 1811234 | 1 | 9 | 1 | 1 @ $45.88, 10 @ $34.41, 25 @ $31.54, 50 @ $29.63, 100 @ $27.72, 250 @ $26.76, 500 @ $25.81 |
| sustainablesupply.com | C1181220 | 1 | -2 | 1 | 1 @ $23.99 |
 kempstoncontrols.co.uk | A-20GQ | 1 | | 1 | 1 @ $49.32 |
 Misumi USA | A-20GQ | 1 | | 1 | |
 simsupply.com | ZO-G1936751 | 1 | 7 | 1 | 1 @ $39.18 |
| us.rs-online.com | 71133325 | 1 | | 1 | 1 @ $34.08, 10 @ $33.41, 25 @ $32.38 |
| us.rs-online.com | 71285393 | 1 | | 1 | 1 @ $21.77, 10 @ $21.33, 25 @ $20.68 |