| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | HCPL2531SDVMDKR-ND | 755 | $2.32 | Buy |
| Mouser Electronics | 512-HCPL-2531S | 0 | Buy | |
| Farnell | HCPL2531S | * $1.43 | Buy | |
| Win Source | HCPL2531S | 17000 | Buy | |
| Quarktwin Electronic Components | HCPL2531S | 28724 | Buy | |
| RS Components (APAC) | HCPL2531S | $89.16 | Buy | |
| Quest Components | HCPL2531S | 1960 | $1.73 | Buy |
| AVNET Express | HCPL2531S | 1000 | $0.90 | Buy |
| Arrow North American Components | HCPL2531S | 0 | $1.20 | Buy |
| Newark | HCPL2531S | 130 | $0.00 | Buy |
| RS Components | HCPL2531S | $19.32 | Buy |
8-Pin DIP 1Mbit/s Dual-Channel High Speed Transistor Output Optocoupler(Not recommend for new design. The new equivalent part number is HCPL253xM)