丝印R4900004 R490.800 R490.750 R490.630 R490.500

丝印R490.630(0.63A) R490.250(0.25A) R46KI310000M1K1

丝印R491001(1A/125V) R490.630(0.630A) R48PCJ(R6627-12)

R490.630 2SK4212A-ZK-SSA DA3X103E0L RS5VE005C-E2

新ADM1026JST-REEL7 R490.630(0.630A) SN74AHC1G00HDCKR R