NPN Silicon Darlington Transistors (High collector current low collector-emitter saturation voltage) From old datasheet system RP10 (E) Series - Powerline Regulated DC-DC Converters; Input voltage (Vdc): 12V; Output voltage (Vdc): 3.3V; 2:1 Wide Input voltage Range; 10 Watts
RJZ Series - Econoline Unregulated DC-DC Converters; Input voltage (Vdc): 12V; Output voltage (Vdc): 3.3V; Power: 2W; 2W single and Dual Outputs NPN Darlington transistors