The 921127-IL 3422-3E is a digital isolator from NVE Corp's IsoLoop series. It is a digital isolator that supports RS422 and RS485 and comes in a tube package with a standard package of 50. The isolator has a channel type of 2500Vrms and a data rate of 20Mbps. The common mode transient immunity is 15kV/µs, and it has a 16-SOIC (0.154", 3.90mm Width) package. The temperature range for operating is -40°C ~ 85°C. It has an MSL level of 1 (Unlimited) and is REACH unaffected. Its HTSUS is 8542.39.0001.