 Newark | 76K6375 | 500 | | 500 | 500 @ $2.45, 1000 @ $1.99, 2000 @ $1.85, 5000 @ $1.76 |
| TME | KBU4B-E4/51 | 1 | | 1 | 1 @ $1.39, 5 @ $1.25, 25 @ $1.11, 100 @ $0.99, 250 @ $0.92 |
| RS Online | 6296437 | 1 | | 1 | |
| RS Delivers | 629-6437 | 1 | | 1 | 1 @ $3.32, 10 @ $2.66, 25 @ $2.33, 50 @ $2.16, 100 @ $1.83 |
| 1Source | KBU4B-E4/51 | 1 | | 1 | |
| Digi-Key | 604851 | 1000 | | 1000 | 1 @ $4.03, 10 @ $3.61, 100 @ $2.96, 500 @ $2.52, 1000 @ $2.28 |
 Digi-Key | KBU4B-E4/51GI-ND | 1 | 749 | 250 | 1 @ $2.65, 10 @ $2.25, 100 @ $1.70, 500 @ $1.60, 1000 @ $1.35, 2000 @ $1.33, 5000 @ $1.28, 10000 @ $1.24 |
| Hotenda | H1803950 | 1 | 922 | 1 | 1 @ $2.65, 10 @ $2.38, 25 @ $2.25, 100 @ $1.95, 250 @ $1.85, 500 @ $1.66 |