The 2SA1943OTU from onsemi is a Bipolar Junction Transistor with Emitter Base Voltage 5 V, Emitter Cut off Current 5 uA, Collector Base Voltage 250 V, Collector Cut off Current 5 uA, Collector Emitter Breakdown Voltage 250 V. Tags: Through Hole, PNP Transistor. More details for 2SA1943OTU can be seen below.