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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
KL3H4B-AW KL3H4B-AW SSOP4 4.4x2.70x2.0 1.2 80 0.2 ±1 80~300 18 18 - - -55 +100 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL3H4A-AW KL3H4A-AW SSOP4 4.4x2.70x2.0 1.2 80 0.2 ±1 50~150 18 18 - - -55 +100 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL3H7D-AW KL3H7D-AW SSOP4 4.4x2.70x2.0 1.2 80 0.2 5 300~600 5 3 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL3H7C-AW KL3H7C-AW SSOP4 4.4x2.70x2.0 1.2 80 0.2 5 200~400 5 3 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL3H7B-AW KL3H7B-AW SSOP4 4.4x2.70x2.0 1.2 80 0.2 5 130~260 5 3 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL3H7A-AW KL3H7A-AW SSOP4 4.4x2.70x2.0 1.2 80 0.2 5 80~160 5 3 - - -55 +110 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL3H4B KL3H4B SSOP4 4.4x2.70x2.0 1.2 80 0.2 ±1 80~300 18 18 - - -55 +100 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL3H4A KL3H4A SSOP4 4.4x2.70x2.0 1.2 80 0.2 ±1 50~150 18 18 - - -55 +100 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display
KL3H7UC KL3H7UC SSOP4 4.4x2.70x2.0 1.3 60 0.4 0.5 200~400 8 10 - - -40 +125 3750 kinglight,kinglight Optoelectronics,kinglight Semiconductor,optocoupler,optocoupler,LED package,LED Display