| Newark | 46AJ0350 | 3 | 118 | 3 | 1 @ $47.87, 5 @ $46.46, 10 @ $45.04, 25 @ $43.64, 50 @ $40.82, 100 @ $38.57 |
 Component Electronics | 170-265 | 1 | | 1 | 1 @ $20.77, 50 @ $17.65, 100 @ $15.58, 500 @ $13.50, 1000 @ $12.46 |
| TME | 1TL1-51 | 2 | | 2 | 2 @ $42.64, 4 @ $38.23 |
| Component Electronics | 170-264 | 1 | | 1 | 1 @ $20.77, 50 @ $17.65, 100 @ $15.58, 500 @ $13.50, 1000 @ $12.46 |
 kempstoncontrols.co.uk | 1TL1-51 | 1 | | 1 | 1 @ $5092.88 |
 Zoro | G105799868 | 1 | | 1 | 1 @ $102.15 |
| Waldom | HONEYWELL 1TL1-51 | 3 | 118 | 1 | 3 @ $26.24, 11 @ $25.76, 21 @ $25.27, 41 @ $24.78, 100 @ $24.30 |
| Galco | 1TL1-51 | 1 | | 1 | |
| us.rs-online.com | 70329641 | 100 | | 100 | 100 @ $50.52 |
| alliedcontrols.com | 1TL1-51 | 1 | Factory Order | 1 | 1 @ $29.94 |
| RS Delivers | 212-5186 | 1 | | 1 | 1 @ $736.32 |
 Radwell | MS24523-32 | 2 | | 2 | 1 @ $36.00 |
 Onlinecomponents.com | 1TL1-51 | 2 | 361 | 1 | 2 @ $23.11, 100 @ $16.54, 1000 @ $14.56, 10000 @ $12.95 |
 Carlton Bates Company | 78454956960 | 1 | | 1 | 1 @ $26.93 |
| Amazon | B00DK868V4 | 1 | | 1 | |
 Digi-Key | 480-3422-ND | 1 | 29 | 1 | 1 @ $24.18, 10 @ $21.83, 25 @ $20.92 |
| iodParts | 1TL1-51 | 1 | 332 | 1 | |