MMBT3904T-13-F MMBT3904T1G MMBT3904-T3R MMBT3904T-7 MMBT3904T7F MMBT3904T-7-F MMBT3904T-7-F-01 MMBT3904T-7-F-123 MMBT3904T-7-F-134 MMBT3904TB