ESDALC5-1BM2, ESDALC5-1BT2 Single line low capaci.
STMicroelectronics
ESDALC5-1BM2 - transient surge voltage suppressor
ESDALC5-1BM2, ESDALC5-1BT2 Single line low capacitance TransilTM, transient surge voltage suppressor (TVS) for ESD protection Datasheet - production .