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IRF510 N Channel MOSFET IR and Intersil PN4117A N Channel JFET Fairchild FSC 2N4117 2N2924 Low Noise NPN Transistor Harris VOX V806 Treble Booster NOS
1 piece of IRF510, I have both IR and Intersil brands.  Can be used as a clipping diode in guitar effects. 1 piece of PN4117A same as 2N4117A, MFG: Fairchild 1 NOS 2N2924 low noise NPN transistor, the same as used in the VOX V806 treble booster pedal.  These are made by Harris, with an hFE of 150-300.
BC549C Ferranti High Gain NPN Fuzz Silicon Transistor 2N5457 N Channel JFET NS J201 Substitute BF245C N-Channel JFET Fairchild Original BF245
These are used in tons of effects and work great in the Muff circuit.  Typical hfe is around 600.  Get them while they last!  Price is for 1 piece.  These are NOS and made by Ferranti, an older European manufacturer.  They are in a slightly modified TO-92 case, just a bit smaller than normal. 1 piece of 2N5457, MFG:  National Semiconductor. These are great subs for J201 These are used in tons of effects.  These are original Fairchild FSC parts.  Get them while they last!  Price is for 1 piece.
2SC1815-GR Toshiba NPN Transistor 2SC1815-Y Toshiba NPN Transistor 2SA1015-Y Toshiba PNP Transistor
These are genuine NOS Toshiba 2SC1815-GR Audio Amplifier NPN transistors.  Hfe range is 200-400.  Get them while they last!  Price is for 2 pieces. These are genuine NOS Toshiba 2SC1815-Y Audio Amplifier NPN transistors.  Hfe range is 120-240.  Get them while they last!  Price is for 2 pieces. These are genuine NOS Toshiba 2SA1015-Y low noise Audio Amplifier PNP transistors.  Hfe range is 120-240.  Get them while they last!  Price is for 2 pieces.
2SA1015-GR Toshiba PNP Transistor BC109C CDIL NPN High Gain Audio Transistor TO-18 BC109B CDIL NPN High Gain Audio Transistor TO-18
These are genuine NOS Toshiba 2SA1015-GR low noise Audio Amplifier PNP transistors.  Hfe range is 200-400.  Get them while they last!  Price is for 2 pieces. These are in tons of circuits!  They go very well in the muff circuit, too.  CDIL brand, BC109C in the TO-18 metal can.  This C version has hfe in the 450-900 range (most I've tested are 550-750). These are in tons of circuits!  They go very well in the muff circuit, too.  CDIL brand, BC109B in the TO-18 metal can.  This B version has hfe in the 240-500 range.
BC108C CDIL NPN High Gain Audio Transistor TO-18 BC107B CDIL NPN High Gain Audio Transistor TO-18 MPF102 Fairchild N Channel Audio JFET
These are in tons of circuits!  They go very well in the muff circuit, too.  CDIL brand, BC108C in the TO-18 metal can.  This C version has hfe in the 450-900 range. These are in tons of circuits!  They go very well in the muff circuit, too.  CDIL brand, BC107B in the TO-18 metal can.  This B version has hfe in the 240-500 range. 1 piece of MPF102 N-Channel audio JFET made by Fairchild (FSC).  These are NOS and are used in so many effects.  Not sure if these are being made anymore, so get them while you can!
BC239C High Gain NPN Fuzz Silicon Transistor ITT BC550C High Gain NPN Fuzz Silicon Transistor BC179 Audio PNP Fuzz Silicon Transistor Gold Leads Low Noise
These are used in tons of effects and work great in the Muff circuit.  Typical hfe is 450-600.  NOS made by ITT.  Get them while they last!  Price is for 1 piece. These are used in tons of effects and work great in the Muff circuit.  Typical hfe is around 600. Get them while they last!  Price is for 1 piece. These are NOS in the TO-18 metal can with gold leads.  Typical hfe is 150-500.  Made in Europe in 1986, low noise, audio grade. Get them while they last!  Price is for 1 piece.
BS170 N Channel MOSFET Motorola Enhancement Mode BC107C CDIL NPN High Gain Audio Transistor TO-18 BC108C Siemens NPN High Gain Audio Transistor TO-18
1 piece of BS170, MFG:  Motorola.  N-channel enhancement mode MOSFET used in many guitar pedals. These are in tons of circuits!  They go very well in the muff circuit, too.  CDIL brand, BC107C in the TO-18 metal can.  This C version has hfe in the 450-900 range. These are in tons of circuits!  They go very well in the muff circuit, too.  Siemens brand, BC108C in the TO-18 metal can.  This C version has hfe in the 450-900 range.
2N2484 CDIL NPN High Gain Audio Transistor TO-18 2SK118-GR High Gain N Channel JFET Genuine Toshiba 2SK118 5 Pack BC548C High Gain NPN Fuzz Silicon Transistor
These are in tons of circuits!  They go very well in the muff circuit, too. CDIL brand, 2N2484 in the TO-18 metal can. Hfe in the 450-900 range.  THESE ARE VERY LOW NOISE HIGH GAIN AUDIO AMPLIFIERS, SIMILAR TO THE BC107,8,9C. 1 piece of 2SK118-GR, MFG: Toshiba. The -GR has the highest gain (IDSS) 2.6-6.5 mA These are used in tons of effects and work great in the Muff circuit.  Typical hfe is around 600.  Get them while they last!  Price is for 5 pieces.
5 Pack BC549C High Gain NPN Fuzz Silicon Transistor 5 Pack BC547C High Gain NPN Fuzz Silicon Transistors J201 N-Channel JFET Fairchild Original TO-92
These are used in tons of effects and work great in the Muff circuit.  Typical hfe is around 600.  Get them while they last!  Price is for 5 pieces. These are used in tons of effects and work great in the Muff circuit.  Typical hfe is around 600.  Get them while they last!  Price is for 5 pieces. These are used in tons of effects.  These are original Fairchild FSC parts.  Get them while they last!  Price is for 1 piece.
5 Pack BC183 TI High Gain NPN Fuzz Silicon Transistor Texas Instruments BC107B TFK NPN High Gain Audio Transistor TO-18 2N7000 N-CHANNEL MOSFET ON SEMI
These are Texas Instruments brand, made in Germany in May of 1980 (I have the original mfg box).  These are used in tons of effects and work great in the Muff circuit.  Get them while they last!  Price is for 5 pieces. Here's a RARE one for you. These are in tons of circuits!  They go very well in the muff circuit, too.  Telefunken (TFK) brand, BC107B in the TO-18 metal can.  This B version has hfe in the 240-500 range.
5 pieces of On Semi brand 2N7000 N-CHANNEL MOSFET in the TO-92 case. These are used in many pedals as both MOSFETs and as clipping diodes.