SG-8002JC 1MHZ SG-8002JC 2.048000MHZ SG-8002JC 2.2167M PHC SG-8002JC 20.000000 SG-8002JC 20.000000MHZ SG-8002JC 20.0000M-PCCB ROHS SG-8002JC 20.0000M-PCCL0 ROHS SG-8002JC 20.0000M-PCCL3 ROHS SG-8002JC 20.0000M-PHBL3 ROHS SG-8002JC 20.0000M-PHCL0 ROHS