  | Tedss | 2028018655 | 1.5 | 7 | 66 | | OPTEK | | 1.5 @ 7 |
| iodParts | OPB818 | 1.962 | 200 | 2300 | | TT Electronics/Optek Technology | | 1.962 @ 200 |
| Hotenda | H3941989 | 2.14 | 1 | 66 | | TT Electronics/Optek Technology | | 2.14 @ 1 |
| Bristol Electronics | OPB818 | 2.352 | 1 | 66 | | OPTEK | | 2.352 @ 1 |
| Digi-Key | 374797 | 2.52 | 2500 | 66 | | TT Electronics/Optek Technology | | 2.52 @ 1 |
| us.rs-online.com | 70048703 | 2.65 | 200 | 66 | | Optek (TT Electronics) | | 2.65 @ 200 |
| Future Electronics | 9333048 | 2.82 | 1 | 1372 | | TT Electronics - Optek Technology | | 2.82 @ 1 |
| Radwell | OPB818 | 2.89 | 1 | 66 | | OPTEK | | 2.89 @ 1 |
  | Newark | 61M8097 | 2.98 | 1 | 192 | | TT ELECTRONICS / OPTEK TECHNOLOGY | | 2.98 @ 1 |
  | Component Electronics | 246-53 | 3.08 | 1 | 11 | | Optek Technologies | | 3.08 @ 1 |
  | swatee.com | OPB818 | 4.59 | 1 | 1534 | | TT Electronics | | 4.59 @ 1 |
  | ebay.com_mistersprockets1 | OPB818 | 104.99 | 1 | 66 | | OPTEK | | 104.99 @ 1 |