| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | H21A3IS-ND | 694 | $1.29 | Buy |
| DigiKey | H21A3IS-ND | 1481 | $1.87 | Buy |
| DigiKey | H21A3-ND | 0 | $0.00 | Buy |
| Mouser Electronics | 512-H21A3 | 0 | Buy | |
| Arrow North American Components | H21A3 | 0 | $0.70 | Buy |
| RS Components (APAC) | H21A3 | $15.03 | Buy | |
| Win Source | H21A3 | 10400 | $0.92 | Buy |
| Verical Marketplace | H21A3 | 40000 | $0.79 | Buy |
| Ameya360 | H21A3 | $0.79 | Buy | |
| Future Electronics | H21A3 | 11 | $0.44 | Buy |
| RS Components | H21A3 | $8.59 | Buy | |
| TME | H21A3 | 22 | $1.40 | Buy |
H21A3 Series 30 V 50 mA Through Hole Single Channel Photointerrupter