Power Tips #81: Make sure your optocoupler is properly biased - EDN
What is the current transfer ratio? | Toshiba Electronic Devices & Storage Corporation | Americas – United States
Measure an optocoupler's CTR - EDN
Current Transfer Ratio (CTR) and Response Time of Photocouplers / Optocouplers | Renesas
Optocoupler - an overview | ScienceDirect Topics
High performance organic-inorganic perovskite-optocoupler based on low-voltage and fast response perovskite compound photodetector | Scientific Reports
Lifetime of Optocouplers
Optocoupler: CTR and REL_CTR; Use | Forum for Electronics
opto isolator - What is "Saturated CTR" of an optocoupler? - Electrical Engineering Stack Exchange
LMV431: Transfer function of TL431 and opto coupler feedback using a UCC2897 component - Power management forum - Power management - TI E2E support forums