WEE Technology Company Limited
Manufacturer of Surface Mount (SMD) and Through Hole (DIP) Diodes & Rectifiers

WEET SMA-J DO-214AC 1A 1000V US1A THRU US1M Surface Mount High Efficiency Rectifier
US1A(50V),US1B(100V),US1D(200V),US1G(400V),US1J(600V),US1K(800V),US1M(1000V)

Maximum  Instantaneous Forward Voltage at 1.0A: 1.3 Volts for US1A, US1B, US1D;1.3 Volts for US1G; 1.7 Volts for US1J, US1K, US1M

Check more US1A, US1B, US1D, US1G, US1J, US1K, US1M information at

https://www.weetcl.com/High_Efficiency_Rectifiers/SMAJ_US1A_THRU_US1M.html