達林頓光耦是一種高性能光電耦合器，結合發光二極管與高增益光檢測器，通過達林頓結構增強電流增益，實現高效電氣隔離與電流輸出。
| Product | Photo | 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) | 下載 |
| KL825 |  |
DIP8 | 9.75x6.6x3.5 | 1.2 | 40 | 1 | 1 | 600~7500 | 60 | 53 | - | - | -55 | 110 | 5000 |  |
| KL4N33 |  |
DIP6 | 7.12x6.5x3.5 | 1.2 | 55 | 1 | 10 | >500 | - | - | 5 | 100 | -55 | 100 | 5000 | |
| KL4N32 | |
DIP6 | 7.12x6.5x3.5 | 1.2 | 55 | 1.0 | 10 | >500 | - | - | 5 | 100 | -55 | 100 | 5000 | |
| KL4N30 | |
DIP6 | 7.12x6.5x3.5 | 1.2 | 55 | 1.0 | 10 | >100 | - | - | 5 | 40 | -55 | 100 | 5000 | |
| KL4N31 | |
DIP6 | 7.12x6.5x3.5 | 1.2 | 55 | 1.2 | 10 | >50 | - | - | 5 | 40 | -55 | 100 | 5000 | |
| KL4N29 | |
DIP6 | 7.1x6.48x3.5 | 1.2 | 55 | 1.0 | 10 | >100 | - | - | 5 | 40 | -55 | 100 | 5000 | |
| KL852 |  |
DIP4 | 6.5x4.58x3.5 | 1.2 | 350 | 1.2 | 1 | 1000~15000 | 300 | 100 | - | - | -55 | 100 | 5000 | |
| KL815 | |
DIP4 | 6.5x4.58x3.5 | 1.2 | 35 | 1.0 | 1 | 600~7500 | 60 | 53 | - | - | -55 | 110 | 5000 | |
| KL452 |  |
SOP4 | 4.4x4.1x2.0 | 1.2 | 350 | 1.5 | 1 | >1000 | 80 | 10 | - | - | -55 | 110 | 3750 | |
