10pc 4N33 4N33M In-line optocoupler DIP-6 Opto-isolator Chip #as

1PCS 30221 ZIP HALL-EFFECT GEAR-TOOTH SENSORS *nl

For OTC-1-BK photoelectric button cover *lh

5Pcs Used CNY65 optocoupler high voltage opto-isolator *yt

10PCS RPR220 Reflective Opto Sensor Photoelectric Switch Sensor *nl

4-Channel Opto-isolator IC Module High and Low level Expansion Board *nl

Sealevel Sea I/0-410 E Modbus TCP 16 Opto-Isolated Inputs/16 Reed Relay Outputs

For OTC-1-YW photoelectric button cover #qo