- 4N31SM
- Isocom, Inc.
- 1 CHANNEL DARLINGTON OUTPUT OPTOCOUPLER
- 4N31SMT&R
- Isocom, Inc.
- 1 CHANNEL DARLINGTON OUTPUT OPTOCOUPLER
- 4N31SMTR
- Isocom Components
- OPTICALLY COUPLED ISOLATOR PHOTODARLINGTON OUTPUT
- 4N31SM
- Isocom Components
- DC-IN 1-CH Darlington With Base DC-OUT 6-Pin PDIP SMD
- 4N31SMT&R
- Isocom Components
- Optocoupler DC-IN 1-CH Darlington With Base DC-OUT 6-Pin PDIP SMD T/R