| Image | Manufacturer | Part Number | Description |
 | Vishay | SFH690BT | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP |
 | Vishay | TCLT1002 | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP T/R |
 | Vishay | TCLT1003 | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP T/R |
 | Vishay | TCLT1000 | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP T/R |
 | Vishay | TCLT1008 | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP T/R |
 | Vishay | TCLT1007 | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP T/R |
| | California Eastern Laboratories | PS2701A-1-F3-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP T/R |
| | California Eastern Laboratories | PS2701-1-V-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP Magazine |
| | California Eastern Laboratories | PS2703-1-K-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP |
| | California Eastern Laboratories | PS2701-1-L-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP Magazine |
| | California Eastern Laboratories | PS2701-1-F3-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP T/R |
| | California Eastern Laboratories | PS2711-1-M-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP Magazine |
| | California Eastern Laboratories | PS2701-1-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP Magazine |
| | California Eastern Laboratories | PS2761B-1-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP Magazine |
| | California Eastern Laboratories | PS2701-1-F3-M-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP T/R |
| | California Eastern Laboratories | PS2703-1-F3-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP T/R |
| | California Eastern Laboratories | PS2701A-1-A | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SOP Magazine |
 | Sharp Electronics | PC3H7DJ0000F | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R |
 | Sharp Electronics | PC3H710NIP0F | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R |
| | Micropac Industries, Inc. | 66095-001 | Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin LCC |