| Onlinecomponents.com | SZA20 | 1 | 5 | | 1 @ $8.97, 10 @ $8.22, 25 @ $7.59, 50 @ $7.04, 100 @ $6.57 |
| Master Electronics | SZA20 | | 4 | | 1 @ $8.97, 10 @ $8.22, 25 @ $7.59, 50 @ $7.04, 100 @ $6.57 |
| Electro Sonic | SZA20 | 1 | 5 | | 1 @ $9.51, 10 @ $8.71, 25 @ $8.05, 50 @ $7.46, 100 @ $6.96 |
| Electronic Supply | SZ-A20 | | 5 | | |
| Onlinecomponents.com | SZ-A20 | 1 | 1 | 1 | 1 @ $9.33, 10 @ $8.55, 25 @ $7.89, 50 @ $7.32, 100 @ $6.80 |
 Radwell | SZ-A20 | 1 | 2 | 1 | |
| Master Electronics | SZ-A20 | 1 | 17 | 1 | 1 @ $10.94, 4 @ $9.99 |
| AmazonSC | B07LCWG37R | 1 | | 1 | 1 @ $63.56 |
 Verical | SZ-A20 | 5 | 17 | 1 | 5 @ $9.50, 100 @ $9.50, 1000 @ $9.50, 10000 @ $9.50 |
 kempstoncontrols.co.uk | SZ-A20 | 1 | 13 | 1 | 1 @ $7.99 |
 Misumi USA | SZ-A20 | 1 | | 1 | 1 @ $12.95, 6 @ $12.95 |