NTE Electronics PN2907A Silicon PNP Transistor Audio Amplifier and Switch, TO-92 Package, 45ns Turn-On Time, 0.8A Continuous Collector Current, 60V Collector-Emitter Voltage (Pack of 5): Amazon.com: Industrial & Scientific
Amazon.com: NTE Electronics NTE123AP-10 NPN Silicon Transistor for Audio Amplifier, Switch, TO-92 Case, 0.6A Continuous Collector Current, 60V Collector-Base Voltage (Pack of 10) : Industrial & Scientific
NPN Transistor General Purpose Amplifier TO 92 25V 0.5A: Amazon.com: Industrial & Scientific
IIVVERR Low Frequency Power Amplifier Silicone NPN Transistor 5 Pcs (Amplificador de potencia de baja frecuencia con transistor NPN de silicona, 5 piezas : Amazon.ca: Tools & Home Improvement
TRANSISTOR NPN SILICON 35V IC=0.15A PO=0.75W 407-512 MHZ TO-39 CASE RF HIGH FREQUENCY AMPLIFIER: Amazon.com: Industrial & Scientific