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!

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SHIPPING RATES HIT THIS LINK -->  SHIPPING

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      
         
 
MOSFETs    
SuperTex Depletion MOSFET
DN2540N5 (TO-220) Depletion MOSFET -- PAIR (2 Devices)
$3.20
ON-SEMI THERMAL-TRAK (tm) AUDIO POWER TRANSISTOR KIT
NJL4281DG + NJL4302DG  Vceo 250V, Ptm 350W, TO-264 5 Lead    (Limited Supply)
$10.40
Matched Triplet NJL4281, NJL4302 (ie. 3 of each matched for hfe)
 
$44.00
NJL0281 + NJL0302 Vceo 180V, Ptm 180W, TO-264 5 Lead
$6.80
Matched Triplet NJL0281 + NJL0302 (ie. 3 of each matched for hfe)
$28.00
 
BIPOLAR AUDIO POWER TRANSISORS
Units are considered "matched" with Vbe +/- 2% or hfe +/-3%
BU208a ST-Micro TO-3 1,500V 8A LINK
$2.55
On-Semi MJ15003G
$3.50
On-Semi MJ15004G
$3.50
On-Semi MJ15003G Beta-Matched Pair
$12.00
On-Semi MJ15004G Beta Matched Pair
$12.00
On-Semi MJE13005 - for switching applications EXCELLENT for pass transistor in Maida Regulators.
$0.40
On-Semi MJE15030 and MJE15031 Pair
$1.80
On-Semi MJE15030 and MJE15031 Matched Set (4 devices, 2 pairs)
$6.00
On-Semi MJE15030 and MJE15031 Matched Triplet Set (6 dev, 3 prs)
$9.00
On-Semi MJL21193 and MJL21194G Pair
$8.20
On-Semi MJL21193 and MJL21194 Matched Pair
$22.40
On-Semi MJL21193 and MJL21194 Matched Triplet
$31.60
On-Semi MJL21193 Matched Octet
$60.00
On-Semi MJL21194G Matched Octet (Pbf) (8 pcs)
$72.00
On-Semi MJL21194G Matched Dectet (Pbf) (10 pcs)
$90.00
Tex Instruments TIP142 and TIP147 Pair TO-247
$2.80