Part No. Manufacturer Part Description Link
MJ2955 STMicroelectronics Complementary silicon power transistors
IR2110 International Rectifier High voltage MOS gate driver
IRF740A International Rectifier SMPS MOSFET

LM1876 National Semiconductor Dual 20W audio power amplifier
LM837 National Semiconductor Low noise quad operational amplifier
SG3524 Texas Instruments Regulating pulse-width modulator
TIP115/117 STMicroelectronics Complementary power darlington transistors