NB4N121KMNR2G from onsemi is a IC CLK BUFFER 1:21 400MHZ 52QFN
NB4N121KMNG from onsemi is a IC CLK BUFFER 1:21 400MHZ 52QFN
NB3N121KMNG from onsemi is a IC CLK BUFFER 1:21 400MHZ 52QFN
BF420,112 from NXP USA Inc. is a TRANS NPN 300V 0.05A TO92-3
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