Quantity per case: 4. Dielectric structure: Diode bridge. Semiconductor material: silicon. Forward current (AV): 3A. IFSM: 50A. Dimensions of connections: diameter 0.9mm, 10.8x10.8mm. Number of terminals: 4. Pitch: 15.2x15.2mm. Assembly/installation: PCB through-hole mounting. VRRM: 400V