The ISC3244AS1D from Isahaya Electronics is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 0.5 µA, Collector Base Voltage 100 V, Collector Cut off Current 0.5 µA, Collector Emitter Breakdown Voltage 100 V. Tags: Through Hole, NPN Transistor. More details for ISC3244AS1D can be seen below.