 Digi-Key | QSD124-ND | 1 | 3984 | 1 | |
 Radwell | QSD124 | 1 | -2 | 1 | 1 @ $0.62 |
| 1Source | QSD124 | 1 | | 1 | |
| Hotenda | H3943141 | 1 | | 1 | 1 @ $0.51, 10 @ $0.39, 25 @ $0.33, 100 @ $0.28, 250 @ $0.25, 500 @ $0.22 |
| RS Delivers | 184-1441 | 25 | | 25 | 25 @ $0.48, 100 @ $0.32, 1000 @ $0.22, 2500 @ $0.21 |
| Future Electronics | 9011079 | 3250 | | 3250 | 3250 @ $0.21, 500 @ $0.15, 1000 @ $0.14, 2000 @ $0.14, 4000 @ $0.13 |
 swatee.com | QSD124 | 1 | 3451 | 1 | 1 @ $0.72 |
| Digi-Key | 13505864 | 1 | | 1 | 1 @ $0.17 |
 Arrow | QSD124 | 1 | 2024 | 1 | 1 @ $0.69, 10 @ $0.51, 100 @ $0.30, 1000 @ $0.23, 10000 @ $0.19 |
| Mouser | 512-QSD124 | 1 | 12292 | 1 | 1 @ $0.72, 10 @ $0.53, 100 @ $0.31, 1000 @ $0.24, 10000 @ $0.20 |
| Newark | 29AC9636 | 1 | | 1 | |
 Newark | 72K9314 | 1 | 6038 | 1 | 1 @ $0.24, 10 @ $0.24, 100 @ $0.24, 500 @ $0.24, 1000 @ $0.24, 2500 @ $0.24, 10000 @ $0.24 |
| RS Delivers | 184-1084 | 1 | | 1 | 1 @ $0.46 |
 Newark | 31Y3730 | 1 | | 1 | 1 @ $0.99, 10 @ $0.64, 100 @ $0.42, 500 @ $0.39, 1000 @ $0.31, 2500 @ $0.31, 10000 @ $0.30 |
| Digi-Key | 187446 | 1 | | 1 | 1 @ $1.18, 10 @ $0.77, 100 @ $0.50, 1000 @ $0.40, 2000 @ $0.37, 5000 @ $0.36, 10000 @ $0.35, 25000 @ $0.34 |