| Product | Package | size(LxWxHmm) | Data Transfer Rate (Mbps) | Supply Voltage（V) | tPHL(ns) | tPLH(ns) | IFT (mA) | CTR(%) | CMR(V/us) | Io(mA) | Topr (Min) (degC) | Topr (Max) (degC) | Viso (Vrms) |
| KL2601 | DIP8 | 9.76x6.6x3.5 | 10 | 7 | 75 | 75 | 5 | - | 5000 | 50 | -40 | +85 | 5000 |
| Broadcom/Avago | Onsemi/Fairchild | Toshiba | Vishay | Liteon | EL | Cosmo | Sharp | QUNXIN |
| HCPL-2601 | HCPL2601/HCPL2601M | VO2601/VO2602 | EL2601/EL2602 |
