| Digi-Key | 897-1071-ND | 1 | 3337 | | 1 @ $1.03, 10 @ $0.80, 25 @ $0.66, 100 @ $0.57, 250 @ $0.50, 500 @ $0.43, 1000 @ $0.34, 2500 @ $0.32 |
| Avnet | LY521 | 1 | | | 1 @ $0.16, 10 @ $0.16, 25 @ $0.16, 50 @ $0.16, 100 @ $0.15 |
| STLAA.com | LY521 | | 40 | | |
| Ewing Components | LY521 | | 38000 | | |
| Digi-Key | 2507074 | 1 | 1519 | 1 | 1 @ $0.59, 10 @ $0.45, 100 @ $0.38, 500 @ $0.34, 1000 @ $0.33 |
| Digi-Key | 897-1071-3-ND | 1 | | 2000 | |
| Hotenda | H2884495 | 1 | | 1 | 1 @ $1.03, 10 @ $0.80, 25 @ $0.66, 100 @ $0.57, 250 @ $0.50, 500 @ $0.43 |
| Digi-Key | 2507086 | 1 | 1637 | 1 | 1 @ $0.59, 10 @ $0.45, 100 @ $0.38, 500 @ $0.34, 1000 @ $0.33 |
| Digi-Key | 3674250 | 1 | 1519 | 1 | 1 @ $0.59, 10 @ $0.45, 100 @ $0.38, 500 @ $0.34, 1000 @ $0.33 |