晶体管光耦是一款由发光二极管和光电晶体管组成的光电耦合器，通过光电效应和晶体管放大特性，实现电信号的光学隔离与传输，确保信号稳定可靠。晶体管光耦包含晶体管光耦(交流)和晶体管光耦(直流)两大类。
| 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) | 下载 |
| KL357D |  |
SOP4 | 4.4x4.1x2.0 | 1.2 | 80 | 0.2 | 5 | 300~600 | 3 | 4 | - | - | -55 | +110 | 3750 |  |
| KL357E | |
SOP4 | 4.4x4.1x2.0 | 1.2 | 80 | 0.2 | 5 | 100~200 | 3 | 4 | - | - | -55 | +110 | 3750 | |
| KL357F | |
SOP4 | 4.4x4.1x2.0 | 1.2 | 80 | 0.2 | 5 | 150~300 | 3 | 4 | - | - | -55 | +110 | 3750 | |
| KL357NUA | |
SOP4 | 4.4x4.1x2.0 | 1.3 | 60 | 0.35 | 0.5 | 100~200 | 3 | 4 | - | - | -40 | +125 | 3750 | |
| KL357NUB | |
SOP4 | 4.4x4.1x2.0 | 1.3 | 60 | 0.35 | 0.5 | 150~300 | 3 | 4 | - | - | -40 | +125 | 3750 | |
| KL357NUC | |
SOP4 | 4.4x4.1x2.0 | 1.3 | 60 | 0.35 | 0.5 | 200~400 | 3 | 4 | - | - | -40 | +125 | 3750 | |
| KL357NHC | |
SOP4 | 4.4x4.1x2.0 | 1.2 | 80 | 0.3 | 5 | 200~400 | 6 | 8 | - | - | -55 | +125 | 3750 | |
| KL357NHB | |
SOP4 | 4.4x4.1x2.0 | 1.2 | 80 | 0.3 | 5 | 130~260 | 6 | 8 | - | - | -55 | +125 | 3750 | |
| KL354NB | |
SOP4 | 4.4x4.1x2.0 | 1.2 | 80 | 0.2 | ±1 | 80~300 | 18 | 18 | - | - | -55 | +100 | 3750 | |
