The 2SC6099-TL-E from onsemi is a Bipolar Junction Transistor with Emitter Base Voltage 6.5 V, Base Emitter Saturation Voltage 0.9 to 1.2 V, Emitter Cut off Current 1 uA, Collector Base Voltage 120 V, Collector Cut off Current 1 µA. Tags: Surface Mount, NPN Transistor. More details for 2SC6099-TL-E can be seen below.