The 2N3906 is manufactured in a plastic TO-92 case.The 2N3906 is specified by a collector current of 200 mA, collector-base and collector-emitter voltages of 40 V, for power dissipation of 150mW. Its transition frequency is 250 MHz, with a beta of at least 100. It is used in various switching application, inverter and converter circuit, making lamp or dual led or lamp flasher.