DIAC diode,the breakover symmetry is within 3V(LLDB3,LLDB4,LLDC34) or 4V(LLDB6). Package: Minimelf Glass Silicon Bidirectional Diac LLDB3:28V-36V LLDC34:30V-34VLLDB4:35V-45VLLDB6:56V-70VPackage:Minimelf Mainly used on energy saving lighting or electronic ballast