STP4NK60ZFP Power MOSFET, N Channel, 600 V, 4 A, 2 ohm, TO-220FP, Through Hole

IRF2804 Power MOSFET, N Channel, 40 V, 280 A, 0.0023 ohm, TO-220AB, Through Hole

IRF730 Power MOSFET, N Channel, 400 V, 5.5 A, 1 ohm, TO-220AB, Through Hole

TL072 Lo/Noise 2XJFET Op. Amplifier

IRF1405 TO-220 N-Channel MOSFET

TL081CP JFET Op. Amplifier

BD437Bipolar (BJT) Single Transistor, NPN, 45 V, 4 A, 36 W, TO-126, Through Hole

2SA1145

2SC4237 Transistor

2SD1162 Darlington Power Transistor