| Allied Electronics | 70723567 | 1 | | 1 | |
| Newark | 33C6029 | 1 | | 1 | |
| ntepartsdirect | QW510 | 1 | -2 | 1 | 1 @ $0.99, 10 @ $0.89, 50 @ $0.84, 100 @ $0.79 |
Radwell | QW510 | 30 | | 30 | |
| Hawk Electronics | QW510 | 10 | 2550 | 10 | 10 @ $1.00, 750 @ $1.00, 1250 @ $0.90, 5000 @ $0.80, 7500 @ $0.80, 15000 @ $0.80 |
EIO | QW510 | 1 | -2 | 1 | 1 @ $7.00 |
Amazon | B008UTXAPA | 1 | | 1 | |
Digi-Key | 11651613 | 1 | 5130 | 1 | 50 @ $0.24, 100 @ $0.23, 150 @ $0.22, 200 @ $0.20, 250 @ $0.20 |
Onlinecomponents.com | QW510 | 40 | 13 | 1 | 1 @ $1.41, 10 @ $1.41, 100 @ $0.72, 1000 @ $0.66, 10000 @ $0.66 |
| we-supply.com | QW510 | 1 | | 1 | |
jensentools.com | 10128226 | 1 | | 1 | |
americanmicrosemi.com | QW510 | 1 | 4113 | 1 | 1 @ $0.35, 25 @ $0.35, 100 @ $0.34, 500 @ $0.34, 999 @ $0.34 |
| Galco | QW510-NTE | 1 | | 1 | |
| us.rs-online.com | 70723567 | 1 | | 1 | 1 @ $0.22, 50 @ $0.22, 100 @ $0.21 |
marvac.com | 80244 | 1 | 8 | 1 | 1 @ $1.95 |