TechDIY Company Store TechDIY Projects

Electronic Components and Parts for Audiophiles, Ham radio operators, experimenters and university physics departments.  I realize that this website isn't elegant, you don't have to tell me.  Cancel your own damn subscription!

PayPal Only, Keeps the book keeping simple. If you need an invoice first, let me know.


Operational Amplifiers IRF (Vishay) and Fairchild MOSFETs and Audio Power Bipolar Transistors Renesas Lateral MOSFETs Small Signal Transistors and JFETs Power Supply Components,  Diodes, Capacitors, Power Resistors
ADC's DAC's Voltage References Amplifier Kits and Components for Nelson Pass F4 and F5 Amplifiers Chip Amplifier Kits of Parts and Printed Circuit Boards (LM3886, LM3875, LM4780) LM4702, LME49830 Printed Circuit Boards Headphone Amplifier Kits
RF Connectors Photo-Receptors, Photo-Diodes, Photo-Multiplier Tubes Tube Amplifier Kits of Parts, Printed Circuit Boards Test Equipment Printed Circuit Boards and Kits Test Equipment for Tubes!
Power Supply Stuff and WIMA, Mallory caps Headphone Amplifier Kits      
Small Signal BiPolar and JFETs
2N5401 Matched Pair
2N5551 Matched Pair
MPS8599 Matched Pair
MPS8099 Matched Pair
MPSA06 Matched Pair
MPSA56 Matched Pair
Driver Transistors:
2SB649AC + 2SD669AC Hitachi Originals -- Pair
2SB649AC + 2SD669AC PMC -- Pair
Pair BF862 High Idss, High Transconductance Low Noise N-Channel SMT
2SK170GR + 2SJ74GR Matched Pair (a pair is one p- and one n-channel device with Idss +/- 0.1mA)
2SK216+ 2SJ78 MOSFET - for Borbely Amplifiers - very limited
Depletion MOSFETS are linked here