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Photo Transistor Coupler

Photo Transistor Coupler is a photoelectric coupler composed of a light-emitting diode and a phototransistor. It uses the photoelectric effect and transistor amplification characteristics to achieve optical isolation and transmission of electrical signals, ensuring stable and reliable signals. Photo Transistor Coupler include two categories: Photo Transistor Coupler (AC) and Photo Transistor Coupler (DC).

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) File
KL357A-AW KL357A-AW SOP4 4.4x4.1x2.0 1.2 80 0.2 5 80~160 3 4 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL357D-AW KL357D-AW SOP4 4.4x4.1x2.0 1.2 80 0.2 5 300~600 3 4 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL357C-AW KL357C-AW SOP4 4.4x4.1x2.0 1.2 80 0.2 5 200~400 3 4 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL357B-AW KL357B-AW SOP4 4.4x4.1x2.0 1.2 80 0.2 5 130~260 3 4 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL357F KL357F SOP4 4.4x4.1x2.0 1.2 80 0.2 5 150~300 3 4 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL357E KL357E SOP4 4.4x4.1x2.0 1.2 80 0.2 5 100~200 3 4 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL357D KL357D SOP4 4.4x4.1x2.0 1.2 80 0.2 5 200~400 3 4 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL357C KL357C SOP4 4.4x4.1x2.0 1.2 80 0.2 5 200~400 3 4 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL357B KL357B SOP4 4.4x4.1x2.0 1.2 80 0.2 5 130~260 3 4 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display