2N50G-AA3-R 2N50G-LC1 2N50G-TF3-T 2N50G-TM3-T 2N50G-TN3-R 2N50G-TN3-T 2N50KG-TA3-T 2N50KG-TF3-T 2N50KG-TM3-T 2N50KG-TN3-R