| Allied Electronics | 70354788 | 1 | | 1 | |
 Digi-Key | Z12525-ND | 1 | 26 | 1 | 1 @ $19.30, 10 @ $17.42, 25 @ $16.69, 50 @ $15.65, 100 @ $15.13, 250 @ $14.29, 500 @ $13.87, 1000 @ $13.56 |
 Onlinecomponents.com | XS5FD421D80F | 1 | 5 | 1 | 1 @ $15.50, 25 @ $14.31, 100 @ $13.29, 250 @ $12.40, 500 @ $11.92 |
 Radwell | XS5F-D421-D80-F | 1 | | 1 | |
| BDI Express | XS5F-D421-D80-F | 1 | | 1 | |
| Hotenda | H33075 | 1 | | 1 | |
 TME | XS5FD421D80F | 1 | 10 | 1 | 1 @ $33.50, 5 @ $31.73, 10 @ $29.53 |
 Newark | 09R1528 | 1 | 155 | 1 | 1 @ $29.64, 5 @ $27.38, 10 @ $25.39, 25 @ $23.39, 50 @ $21.93, 100 @ $20.74, 250 @ $18.88 |
| Digi-Key | 2670884 | 1000 | 2 | 1000 | 1 @ $23.22, 10 @ $20.33, 25 @ $19.45, 50 @ $18.82, 100 @ $18.20, 250 @ $17.19, 500 @ $16.69, 1000 @ $16.31 |
 Misumi USA | XS5F-D421-D80-F | 1 | | 1 | 1 @ $0.00 |
| RS Delivers | 569-994 | 1 | | 1 | 1 @ $15.44, 10 @ $13.92, 25 @ $12.52, 50 @ $11.26, 100 @ $10.13 |
 kempstoncontrols.co.uk | XS5F-D421-D80-F | 1 | | 1 | 1 @ $17.96 |
| Newark | 34R9541 | 1 | | 1 | |
| RS Online | 0569994 | 1 | | 1 | |
| us.rs-online.com | 70354788 | 1 | | 1 | 1 @ $40.36, 3 @ $38.43, 10 @ $38.41, 25 @ $38.38, 50 @ $38.34, 100 @ $38.26 |
| Master Electronics | XS5FD421D80F | 1 | 22 | 1 | 1 @ $21.35, 3 @ $19.95 |