| Master Electronics | XS5WT421DMCK | 1 | 3 | 1 | 1 @ $175.56, 2 @ $152.84 |
| Newark | 42X0118 | 1 | | 1 | 1 @ $216.78, 5 @ $211.13, 10 @ $207.01, 25 @ $203.30, 50 @ $199.95 |
 kempstoncontrols.co.uk | XS5W-T421-DMC-K | 1 | | 1 | 1 @ $69.66 |
 Misumi USA | XS5W-T421-DMC-K | 1 | | 1 | 1 @ $103.38, 7 @ $103.38, 10 @ $98.21 |
| Waldom | OMRON ELECTRONICS XS5W-T421-DMC-K | 1 | | 1 | |
| 1Source | XS5W-T421-DMC-K | 1 | | 1 | |
| us.rs-online.com | 70279023 | 1 | | 1 | 1 @ $144.94, 3 @ $137.48 |
| RS Online | 1235556 | 1 | | 1 | |
| Allied Electronics | 70279023 | 1 | | 1 | |
 Radwell | XS5W-T421-DMC-K | 1 | | 1 | |
| RS Delivers | 123-5556 | 1 | 78 | 1 | 1 @ $64.61, 10 @ $58.67, 25 @ $55.76, 50 @ $52.98, 100 @ $50.33 |
| Digi-Key | 2567166 | 1 | | 1 | 1 @ $169.21, 10 @ $155.28, 25 @ $149.30, 50 @ $144.33, 100 @ $136.36 |
 swatee.com | XS5W-T421-DMC-K | 1 | 2 | 1 | 1 @ $177.40 |
| Hotenda | H31053 | 1 | | 1 | 1 @ $91.73, 10 @ $90.45, 25 @ $89.18, 50 @ $76.44, 100 @ $73.89, 250 @ $71.34, 500 @ $68.80 |
 Onlinecomponents.com | XS5WT421DMCK | 1 | 4 | 1 | 1 @ $91.91, 5 @ $85.79, 10 @ $82.49 |