2N60L-B TO-251 2N60L-B-TF1-T 2N60L-B-TF3-T 2N60L-B-TF3-T TK3A65D 2N60L-B-TF3-T-VB 2N60L-B-TM3-T 2N60L-B-TN3-R 2N60L-B-TN3-R TO252 2N60L-C 2N60-LC1