 Onlinecomponents.com | QB-S8-500-C | 1 | 1500 | 1 | 1 @ $0.16, 25 @ $0.16, 100 @ $0.15, 1000 @ $0.08, 2500 @ $0.08, 5000 @ $0.08, 10000 @ $0.08, 12500 @ $0.07 |
 Radwell | QB-S8-500-C | 12500 | | 12500 | 1 @ $0.20 |
 Zoro | G0423009 | 1 | | 1 | 1 @ $12.00 |
| Hawk Electronics | QB-S8-500-C | 1 | | 1 | |
| Digi-Key | 298-20335-ND | 1 | 1800 | 12500 | 1 @ $0.15, 10 @ $0.15, 25 @ $0.15, 50 @ $0.14, 100 @ $0.14, 500 @ $0.14, 1000 @ $0.13 |
 Platt.com | 0642696 | 1 | | 1 | 1 @ $0.15 |
 Newark | 05AC8624 | 1 | 1 | 1 | 1 @ $17.07, 50 @ $15.48, 100 @ $14.19, 250 @ $13.18, 500 @ $12.32 |
 gordonelectricsupply.com | QB-S8-500-C | 1 | This Item Usually Ship in 5-7 Days | 1 | 1 @ $64.45 |
| Digi-Key | 7943869 | 1 | 226 | 1 | 1 @ $0.20, 10 @ $0.19, 25 @ $0.19, 50 @ $0.19, 100 @ $0.18, 500 @ $0.18, 1000 @ $0.17 |
| Newark | 71Y6997 | 1 | | 1 | |
 Galco | QB-S8-500-C-PNDT | 500 | | 500 | 1 @ $0.13 |
