The 2SC4357LE from Isahaya Electronics is a Bipolar Junction Transistor with Emitter Base Voltage 6 V, Emitter Cut off Current 0.2 µA, Collector Base Voltage 60 V, Collector Cut off Current 0.2 µA, Collector Emitter Breakdown Voltage 60 V. Tags: Surface Mount, NPN Transistor. More details for 2SC4357LE can be seen below.