| Onlinecomponents.com | QW4100BR | 1 | | 1 | 1 @ $2.20, 2 @ $1.65, 11 @ $1.41 |
| MCM Electronics | QW4100BR | 1 | -2 | 1 | 1 @ $2.28, 4 @ $2.22 |
| Newark | 32M3451 | 1 | | 1 | |
| ntepartsdirect | QW4100BR | 1 | -2 | 1 | 1 @ $2.07, 10 @ $1.87, 50 @ $1.76, 100 @ $1.66 |
 Radwell | QW4100BR | 20 | | 20 | |
| Allied Electronics | 70722990 | 1 | | 1 | |
| Hawk Electronics | QW4100BR | 25 | 55 | 25 | 25 @ $0.30, 2500 @ $0.30, 5000 @ $0.20, 15000 @ $0.20, 25000 @ $0.20, 50000 @ $0.20 |
 EIO | QW4100BR | 1 | -2 | 1 | 1 @ $4.94 |
 Digi-Key | 2368-QW4100BR-ND | 5 | | 1 | 5 @ $0.05 |
 Amazon | B007Z7OQUQ | 1 | -2 | 1 | 1 @ $9.09 |
 jensentools.com | 10128200 | 1 | | 1 | 1 @ $1.98 |
 americanmicrosemi.com | QW4100BR | 1 | 1403 | 1 | 1 @ $0.08, 25 @ $0.08, 100 @ $0.08, 500 @ $0.08, 999 @ $0.08 |
| Galco | QW4100BR-NTE | 1 | | 1 | |
| us.rs-online.com | 70722990 | 1 | | 1 | 1 @ $0.05, 50 @ $0.05, 100 @ $0.05 |
| Digi-Key | 11650514 | 1 | 354 | 1 | 50 @ $0.05, 100 @ $0.05, 150 @ $0.04, 200 @ $0.04, 250 @ $0.04 |
