4520PA51H03937,GK,NICU,PTAFG,PU,V0,SQ 2X2X1000M
4520PAX1R03937,GK,NICU,PTAFG,PU,V0,SQ .079X.079
4520SS-6,
4521,保险丝盒、保险丝夹及硬件 BUSS FUSEBLOCK
45-21/KK2C-S30308BACB41/2T,LED LOW PWR 0.06W 2PLCC
45-21/KK2C-S4040AC4CB41/2T,LED LOW PWR 0.06W 2PLCC
45-21/LK2C-B2832AC2CB2/2T,LED LOW PWR 0.06W 2PLCC
45-21/LK2C-B38452C4CB2/2T,LED LOW PWR 0.06W 2PLCC