https://www.st.com/content/st_com/ja/campaigns/clt03-self-powered-digital-input-current-limiters.html
CLT03-1SC3 | CLT03-2Q3 - Self-powered digital input current limiters - STMicroelectronics
The self-powered CLT03-1SC3 and CLT03-2Q3 digital input current limiters drastically reduce power dissipation while improving EMC robustness in industrial...
digital inputcurrent limitersselfpoweredstmicroelectronics