| Waldom | OPTEK TT ELECTRONICS OPB815L | 1.98 | 30 | 50 | | OPTEK/TT ELECTRONICS | | 1.98 @ 30 |
| Hotenda | H3941960 | 2.44 | 1 | 50 | | TT Electronics/Optek Technology | | 2.44 @ 1 |
| iodParts | OPB815L | 2.544 | 100 | 1100 | | TT Electronics | | 2.544 @ 100 |
| Digi-Key | 1637134 | 2.85 | 1 | 50 | 306 | TT Electronics/Optek Technology | | 2.85 @ 1 |
| us.rs-online.com | 70048901 | 3.09 | 200 | 50 | | Optek (TT Electronics) | | 3.09 @ 200 |
 | Newark | 14J5205 | 3.21 | 1 | 517 | | TT ELECTRONICS / OPTEK TECHNOLOGY | | 3.21 @ 1 |
| Radwell | OPB815L | 3.27 | 200 | 50 | | OPTEK | | 3.27 @ 200 |
| Future Electronics | 8422354 | 3.27684 | 25 | 2088 | | TT Electronics - Optek Technology | | 3.27684 @ 25 |
| RS Delivers | 170-0765 | 4.9032 | 1 | 50 | | Optek | | 4.9032 @ 1 |
 | swatee.com | OPB815L | 6.1 | 1 | 961 | | TT Electronics | | 6.1 @ 1 |
| AmazonTP | B073QYHFLY | 83.36 | 1 | 50 | 5 | OPTEK TECHNOLOGY | | 83.36 @ 1 |
