MMBT3904-7-F original MMBT3904-7-F/K1N MMBT3904-7-F/NOPB MMBT3904-7-F-52 MMBT3904-7-F-79 MMBT3904-7-F-82 MMBT3904-7-F-88 MMBT3904-7-G MMBT3904-7-G-88 MMBT3904-7-LF