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The basic function of a Photo Coupler is that it ensures total electronic isolation, including potential isolation (as in the case of transformer) in an electrical circuit. Devices of the Photo Coupler family include Photo Transistor, Photo Darlington Transistor High speed Photo coupler and OPIC. These devices have the characteristics of excellent isolation, high CTR, compact package, high-speed operation, low decay and unit control function not being influenced by field effects.
They are most suitable to be used for microelectronics, data processing and telecommunication system. Due to their high safety features, they are particularly suitable for use in switching mode power supply units.
Transistor Output
IC Output Type
Mini Flat Type
Low Input Current Transistor output
High FOrward Current Transistor output
High Speed Function
Transistor output ( SSOP Type )
Transistor output
Model Number Internal Connection Diagram IF(mA) Vceo(V) IC (mA) Viso(Vrms) VF max (V) CTR% VCE (sat) max (V) Tr (us) Tf (us) UL VDE TUV FIMKO NEMKO SEMKO Remark Series Product Remark Description
C1010
50 70 50 5000 1.4 50-600 0.2 3 3 》* 》* 》* 》 》* 》*
K1010
50 60 50 5000 1.4 50-600 0.2 4 3 》 》 》 》 》 》  KP1020

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 2 Channel 4 Channel
k2010
50 60 50 5000 1.4 60-600 0.3 5 4 》 》 》 》 》 》
K3010
+-60 60 50 5000 1.4 60-600 0.3 5 4 》 》 》 》 》 》  KP3020

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 2 Channel 4 Channel
KP4010
50 300 150 5000 1.4 600~9000 1.5 60 50 》 》 》 》 》 》  KP4020

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 2 Channel 4 Channel
KP5010
50 300 150 5000 1.4 600~9000 1.5 60 50 》 》 》 》 》 》
KP6010
+-50 60 50 5000 1.4 60~600 0.3 5 4 》 》 》 》 》 》
KPC4N33
50 30 150 5000 1.4 500min. 1.0 5 60 》 》
KPC815
50 35 80 5000 1.4 600~7500 1.0 80 72 》 》 》 》  KPC825

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 2 Channel/ 4 Channel
KP1110
50 60 50 5000 1.4 50 to 600 0.2 4 3 》 》 》 》 》 》
KP1210
50 350 50 5000 1.4 50 to 600 0.2 3 3
KP1510
50 120 50 5000 1.4 50 to 600 0.2 4 3
KP2110
50 60 50 5000 1.4 60 to 600 0.3 5 4 》 》
KP2210
50 350 50 5000 1.4 50 to 600 0.2 3 3
IC output Type
Model Number Internal Connection Diagram IF(mA) Vceo(V) IC (mA) Viso(Vrms) VF max (V) CTR% CTR% VCE (sat) max (V) Tr (us) Tf (us) UL VDE TUV FIMKO NEMKO SEMKO Remark Series Product Remark Description
KP7010
10 17 50 5000 1.7 0.7 0.5 0.4 5 3 》
KP8010
20 35 500 2500 7.5 7 1.2 0.15 0.15 Under Developing
kp7110
50 17 50 500 1.7 0.7 0.4 0.5 3 5 》
KP250
20 30 50 2500 7.5 7 12 - 0.15 0.15 Under Developing
KP350
20 35 50 2500 7.5 7 1.2 - 0.15 0.15 Under Developing
Mini Flat Type
Model Number Internal Connection Diagram IF(mA) Vceo(V) IC (mA) Viso(Vrms) VF max (V) CTR% CTR% VCE (sat) max (V) Tr (us) Tf (us) UL VDE TUV FIMKO NEMKO SEMKO Remark Series Product Remark Description
KPC354NT
+-50 60 50 3750 1.4 20~400 IF=∂1mA Vce=5V 0.3 4 3 》 》 》
KPC355NT
50 35 150 3750 1.4 600~7500 IF=1mA Vce=2V 1.0 60 53 》 》 》
KPC357NT
50 60 50 3750 1.4 50~600 IF=5mA Vce=5V 0.3 5 4 》 》 》
KPC452
50 300 150 3750 1.4 1000 min IF=1mA Vce=2V 1.5 100 20 》 》 》
High Speed Function
Model Number Internal Connection Diagram IF(mA) Vceo(V) IC (mA) Viso(Vrms) VF max (V) CTR% CTR% VCE (sat) max (V) Tr (us) Tf (us) UL VDE TUV FIMKO NEMKO SEMKO Remark Series Product Remark Description
KPC6N135
25 15 8 2500 1M 7 min IF=16mA Vo=0.4V Vcc=4.5V 1000 0.3 0.4 》 》 》 》
KPC6N136
25 15 8 2500 1M 19 min IF=16mA Vo=0.4V Vcc=4.5V 1000 0.3 0.3 》 》 》 》
KPC6N137
25 7 50 2500 10M 500 0.1 0.1 Under Developing
KPC6N138
20 7 60 2500 300 min IF=1.6mA Vo=4V Vcc=4.5V 500 2 7 》 》 》 》
KPC6N139
20 18 60 2500 500 min IF=1.6mA Vo=4V Vcc=4.5V 500 5 0.3 》 》 》 》
KPC457
25 15 8 3750 1M 20 min IF=16mA Vo=0.4V Vcc=4.5V 1000 0.3 0.4
Transistor output ( SSOP Type )
Model Number Internal Connection Diagram IF(mA) Vceo(V) IC (mA) Viso(Vrms) VF max (V) CTR% CTR% VCE (sat) max (V) Tr (us) Tf (us) UL VDE TUV FIMKO NEMKO SEMKO Remark Series Product Remark Description
KPS2801
50 80 50 2500 1.4 80~600 IF=5mA Vce=5V 0.3 3 5 》
KPS2802
50 40 90 2500 1.4 2000TYP IF=1mA Vce=2V 1.0 200 200 》
KPS2805
+-50 80 50 2500 1.4 80~600 IF=5mA Vce=5V 0.3 3 5 》
KPS2806
+-50 40 90 2500 1.4 2000TYP IF=1mA Vce=2V 1.0 200 200 》
KPS2832
50 300 60 2500 1.4 2000TYP IF=1mA Vce=2V 1.0 40 10 》
Low Input Current Transistor output
Model Number Internal Connection Diagram IF(mA) Vceo(V) IC (mA) Viso(Vrms) VF max (V) CTR% CTR% VCE(sat)max(V) Tr (us) RL=100 Tf (us) RL=100 UL VDE TUV FIMKO NEMKO SEMKO Series Product Description
KP1410
50 80 50 5000 1.4 100 to 600 IF=1mA Vce=5V 10K 0.2 3 3
KPC3571
50 80 50 3750 1.4 100 to 600 IF=1mA Vce=5V 10K 0.2 3 3
High FOrward Current Transistor output
Model Number Internal Connection Diagram IF(mA) Vceo(V) IC (mA) Viso(Vrms) VF max (V) CTR% CTR% VCE(sat)max(V) Tr (us) RL=100 Tf (us) RL=100 UL VDE TUV FIMKO NEMKO SEMKO Series Product Description
KP1310
150 80 50 5000 1.7 20 to 80 IF=100mA Vce=1V 0.3 3 3