| Product | Package | size(LxWxHmm) | VF (V) | BV CEO (Min) (V) | V CE(SAT) (Max) (V) | IF (mA) | CTR (%) | tr (uS) | tf (uS) | ton (uS) | toff (uS) | Topr (Min) (degC) | Topr (Max) (degC) | Viso (Vrms) |
| KL851 | DIP4 | 6.5x4.58x3.5 | 1.2 | 350 | 0.4 | 5 | 50~600 | 4 | 5 | - | - | -55 | +110 | 5000 |
| Broadcom/Avago | Onsemi/Fairchild | Toshiba | Vishay | Liteon | EL | Cosmo | Sharp | QUNXIN |
| TLP628M | SFH614A/PS2513-1/PS2513-1 | LTV-851 | EL851 | KP1210 | PC851 | QX851 |
