NTE Electronics NTE130 Silicon Power Transistor for Audio Power Amp, Medium Speed Switch, to-3 Case, 15A Continuous Collector Current, 100V Collector- Base Voltage: Communication Integrated Circuits: Amazon.com: Industrial & Scientific
Amazon.com: Pack of 2 4N25 Optocoupler DC-in 1-CH Transistor with Base DC-Out 6-Pin PDIP : Automotive