The ISA1603AM1S from Isahaya Electronics is a Bipolar Junction Transistor with Emitter Base Voltage -6 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, PNP Transistor. More details for ISA1603AM1S can be seen below.