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11Pcs 4N33M PDIP-6 Transistor Output Optocouplers Optocoupler Photodarlington

5Pcs H11D3 DIP-6 Transistor Output Optocouplers HV Phototransistor

4Pcs H11L2SR2M SMD-6 Logic Output Optocouplers Optocoupler Schmitt Trigger

15Pcs FOD817B3S SMD-4 Transistor Output Optocouplers Phototransistor

10Pcs 4N27M PDIP-6 Transistor Output Optocouplers Optocoupler Phototransistor

11Pcs HMHA281 SMD-4 Transistor Output Optocouplers Optocoupler Phototransistor