PBRN123E series NPN 800 mA, 40 V BISS RETs; R1 = .
PBRN123ET - NPN RET
PBRN123E - NPN RET
PBRN123ES - NPN RET
PBRN123EK - NPN RET
PBRN123E - NPN 800 mA 40 V BISS RETs