| Digi-Key | 668081 | 1 | 9 | 1 | 1 @ $2.44, 10 @ $2.25, 25 @ $2.06, 50 @ $1.76, 100 @ $1.58 |
| Future Electronics | 5003975 | 450 | | 450 | 450 @ $1.18, 900 @ $1.02 |
| Hotenda | H2187618 | 1 | | 1 | |
| Digi-Key | 695373 | 1 | 9 | 1 | 1 @ $2.33, 10 @ $2.15, 25 @ $1.97, 50 @ $1.68, 100 @ $1.50, 450 @ $1.60, 900 @ $1.51, 1350 @ $1.46, 3150 @ $1.41, 11250 @ $1.32 |
| Digi-Key | 1973218 | 100 | 9 | 100 | 1 @ $2.44, 10 @ $2.25, 25 @ $2.06, 50 @ $1.76, 100 @ $1.58 |
| Waldom | EATON UP3B-680-R | 1 | | 1 | 1 @ $1.05, 113 @ $1.00, 225 @ $0.98, 450 @ $0.95, 15000 @ $0.71 |
| Waldom | EATON ELECTRONICS UP3B-680-R | 1 | | 1 | |
 Newark | 52K7907 | 450 | | 450 | 250 @ $2.14 |
| us.rs-online.com | 74036086 | 450 | | 450 | 450 @ $1.38 |