The 2SC4617S from AiT Semiconductor is a Bipolar Junction Transistor with Emitter Base Voltage 7 V, Emitter Cut off Current 0.1 µA, Collector Base Voltage 60 V, Collector Cut off Current 0.1 µA, Collector Emitter Breakdown Voltage 50 V. Tags: Surface Mount, NPN Transistor. More details for 2SC4617S can be seen below.