16Pcs FOD817C PDIP-4 Transistor Output Optocouplers Phototransistor Output

16Pcs FOD817B3S SMD-4 Transistor Output Optocouplers Phototransistor

2Pcs CNY66 DIP-4 Transistor Output Optocouplers Phototransistor Out

3Pcs CNY65 DIP-4 Transistor Output Optocouplers Phototransistor Out

19Pcs VO615A-7 SMD-DIP-4 Transistor Output Optocouplers Optocoupler DIP4

4Pcs PS2501-4-A DIP-16 Transistor Output Optocouplers Hi-Iso Photo 4-Ch

20Pcs VO615A-9 SMD-DIP-4 Transistor Output Optocouplers Optocoupler DIP4

8Pcs LTV-847 PDIP-16 Transistor Output Optocouplers Optocplr Phototrans 4-CHNL